Ua tsaug rau koj tuaj xyuas Nature.com. Lub browser version uas koj siv muaj kev txhawb nqa CSS tsawg. Rau qhov kev paub zoo tshaj plaws, peb xav kom koj siv lub browser hloov tshiab (lossis kaw Compatibility Mode hauv Internet Explorer). Lub sijhawm no, kom ntseeg tau tias muaj kev txhawb nqa txuas ntxiv, peb yuav ua rau lub xaib tsis muaj cov qauv thiab JavaScript.
TiO2 yog ib yam khoom siv semiconductor siv rau kev hloov pauv photoelectric. Txhawm rau txhim kho lawv txoj kev siv lub teeb, nickel thiab silver sulfide nanoparticles tau synthesized rau ntawm qhov chaw ntawm TiO2 nanowires los ntawm kev dipping thiab photoreduction yooj yim. Ib qho kev tshawb fawb ntawm cathodic tiv thaiv kev ua haujlwm ntawm Ag / NiS / TiO2 nanocomposites ntawm 304 stainless hlau tau ua tiav, thiab morphology, composition, thiab lub teeb absorption yam ntxwv ntawm cov ntaub ntawv tau ntxiv. Cov txiaj ntsig qhia tau hais tias cov Ag / NiS / TiO2 nanocomposites npaj tau muab kev tiv thaiv cathodic zoo tshaj plaws rau 304 stainless hlau thaum tus lej ntawm nickel sulfide impregnation-precipitation cycles yog 6 thiab cov nyiaj nitrate photoreduction concentration yog 0.1 M.
Kev siv n-hom semiconductors rau kev tiv thaiv photocathode siv lub hnub ci tau dhau los ua ib qho teeb meem kub hauv xyoo tas los no. Thaum lub hnub ci zoo siab, cov electrons los ntawm valence band (VB) ntawm cov khoom siv semiconductor yuav raug zoo siab rau hauv conduction band (CB) los tsim cov electrons photogenerated. Yog tias lub peev xwm conduction band ntawm semiconductor lossis nanocomposite tsis zoo dua li lub peev xwm etching tus kheej ntawm cov hlau khi, cov electrons photogenerated no yuav hloov mus rau qhov chaw ntawm cov hlau khi. Kev sib sau ua ke ntawm cov electrons yuav ua rau cathodic polarization ntawm cov hlau thiab muab kev tiv thaiv cathodic ntawm cov hlau cuam tshuam 1, 2, 3, 4, 5, 6, 7. Cov khoom siv semiconductor yog theoretically suav hais tias yog photoanode tsis-sacrificial, txij li thaum cov tshuaj tiv thaiv anodic tsis ua rau cov khoom siv semiconductor nws tus kheej puas tsuaj, tab sis qhov oxidation ntawm dej los ntawm cov qhov photogenerated lossis cov pa phem adsorbed, lossis muaj cov neeg sau los ntes cov qhov photogenerated. Qhov tseem ceeb tshaj plaws, cov khoom siv semiconductor yuav tsum muaj CB peev xwm uas tsis zoo dua li qhov muaj peev xwm corrosion ntawm cov hlau raug tiv thaiv. Tsuas yog tom qab ntawd cov electrons photogenerated thiaj li hla tau los ntawm txoj kab conduction ntawm lub semiconductor mus rau cov hlau tiv thaiv. Cov kev tshawb fawb txog kev tiv thaiv xeb los ntawm photochemical tau tsom mus rau cov ntaub ntawv inorganic n-type semiconductor uas muaj qhov sib txawv dav (3.0–3.2EV)1,2,3,4,5,6,7, uas tsuas yog teb rau lub teeb ultraviolet (< 400 nm), txo qhov muaj lub teeb. Cov kev tshawb fawb txog kev tiv thaiv xeb los ntawm photochemical tau tsom mus rau cov ntaub ntawv inorganic n-type semiconductor uas muaj qhov sib txawv dav (3.0–3.2EV)1,2,3,4,5,6,7, uas tsuas yog teb rau lub teeb ultraviolet (< 400 nm), txo qhov muaj lub teeb. Исследования стойкости к фотохимической коррозии были сосредоточены на неорганических полупроводниковырихатапроводниковых широкой запрещенной зоной (3,0–3,2 EV)1,2,3,4,5,6,7, которые реагируют только на ультрафиолетовое, уменьшение доступности света. Kev tshawb fawb txog kev tiv thaiv xeb photochemical tau tsom mus rau n-hom inorganic semiconductor cov ntaub ntawv nrog bandgap dav (3.0–3.2 EV) 1,2,3,4,5,6,7 uas tsuas teb rau ultraviolet hluav taws xob (< 400 nm), txo qhov muaj teeb pom kev zoo.光化学耐腐蚀性研究主要集中在具有宽带隙(3.0–3.2EV)1,2,3,4,5,6,7 的无机n型半导体材料上，这些材料仅对紫外光 (< 400 nm) 有响应，减少光的可用性。光化学耐腐蚀性研究主要在具有宽带隙宽带隙 (3.0–3.2ev) 1.2,3,4,7,6,材料 上， 这些 材料 仅 对 （<400 nm） 有 有 有 有 有 有 有 有 有 有 有 有 有 有 有 有 有 有 有 有 有 。 有响应，减少光的可用性. Исследования стойкости к фотохимической коррозии в основном были сосредоточены на неорганических полупровы n-типа с широкой запрещенной зоной (3,0–3,2EV)1,2,3,4,5,6,7, которые чувствительны только к УчФ-излум (). Kev tshawb fawb txog kev tiv thaiv xeb photochemical feem ntau tsom mus rau qhov dav bandgap (3.0–3.2EV) 1,2,3,4,5,6,7 n-hom inorganic semiconductor cov ntaub ntawv uas tsuas yog rhiab rau UV hluav taws xob. (<400 nm).Ua teb rau qhov ntawd, qhov muaj teeb pom kev zoo txo ​​qis.
Hauv kev tiv thaiv kev xeb hauv dej hiav txwv, kev siv tshuab tiv thaiv cathodic photoelectrochemical ua lub luag haujlwm tseem ceeb. TiO2 yog cov khoom siv semiconductor uas muaj kev nqus UV lub teeb zoo heev thiab cov khoom photocatalytic. Txawm li cas los xij, vim tias qhov siv lub teeb tsawg, cov qhov hluav taws xob photogenerated recombine yooj yim thiab tsis tuaj yeem tiv thaiv hauv qhov tsaus ntuj. Xav tau kev tshawb fawb ntxiv kom nrhiav tau qhov kev daws teeb meem tsim nyog thiab ua tau. Nws tau tshaj tawm tias ntau txoj kev hloov kho qhov chaw tuaj yeem siv los txhim kho qhov photosensitivity ntawm TiO2, xws li doping nrog Fe, N, thiab sib tov nrog Ni3S2, Bi2Se3, CdTe, thiab lwm yam. Yog li ntawd, TiO2 sib xyaw nrog cov ntaub ntawv nrog kev hloov pauv photoelectric siab yog siv dav hauv kev tiv thaiv cathodic photogenerated. .
Nickel sulfide yog ib yam khoom siv semiconductor uas muaj qhov sib txawv nqaim ntawm tsuas yog 1.24 eV8.9. Qhov sib txawv nqaim dua, qhov siv lub teeb muaj zog dua. Tom qab nickel sulfide sib xyaw nrog qhov chaw titanium dioxide, qib kev siv lub teeb tuaj yeem nce ntxiv. Ua ke nrog titanium dioxide, nws tuaj yeem txhim kho qhov kev sib cais ntawm cov electrons thiab qhov photogenerated. Nickel sulfide siv dav hauv kev tsim hydrogen electrocatalytic, roj teeb thiab kev rhuav tshem cov pa phem8,9,10. Txawm li cas los xij, nws siv rau hauv kev tiv thaiv photocathode tseem tsis tau tshaj tawm. Hauv kev tshawb fawb no, cov khoom siv semiconductor bandgap nqaim tau raug xaiv los daws qhov teeb meem ntawm kev siv lub teeb TiO2 qis. Nickel thiab nyiaj sulfide nanoparticles tau khi rau ntawm qhov chaw ntawm TiO2 nanowires los ntawm kev sib xyaw thiab kev txo qis, raws li. Ag / NiS / TiO2 nanocomposite txhim kho kev siv lub teeb zoo dua thiab nthuav dav qhov kev nqus lub teeb los ntawm thaj chaw ultraviolet mus rau thaj chaw pom. Lub caij no, qhov kev tso cov nanoparticles nyiaj muab rau Ag / NiS / TiO2 nanocomposite zoo heev optical stability thiab ruaj khov cathodic tiv thaiv.
Ua ntej, ib daim ntawv titanium uas tuab 0.1 hli nrog qhov huv ntawm 99.9% raug txiav mus rau qhov loj me ntawm 30 hli × 10 hli rau kev sim. Tom qab ntawd, txhua qhov chaw ntawm daim ntawv titanium raug txhuam 100 zaug nrog 2500 grit sandpaper, thiab tom qab ntawd ntxuav nrog acetone, absolute ethanol, thiab dej distilled. Muab daim phaj titanium tso rau hauv qhov sib tov ntawm 85 ° C (sodium hydroxide: sodium carbonate: dej = 5: 2: 100) rau 90 feeb, tshem tawm thiab yaug nrog dej distilled. Qhov chaw tau etched nrog HF kua (HF: H2O = 1: 5) rau 1 feeb, tom qab ntawd ntxuav nrog acetone, ethanol, thiab dej distilled, thiab thaum kawg qhuav rau kev siv. Titanium dioxide nanowires tau tsim sai sai rau ntawm qhov chaw ntawm daim ntawv titanium los ntawm ib kauj ruam anodizing txheej txheem. Rau anodizing, ib qho system ob-electrode ib txwm siv, lub electrode ua haujlwm yog daim ntawv titanium, thiab lub counter electrode yog platinum electrode. Muab daim phaj titanium tso rau hauv 400 ml ntawm 2 M NaOH kua nrog cov clamps electrode. Lub zog DC tam sim no ruaj khov ntawm kwv yees li 1.3 A. Qhov kub ntawm cov kua tau khaws cia ntawm 80 ° C rau 180 feeb thaum lub sijhawm tshuaj tiv thaiv systemic. Daim ntawv titanium tau raug coj tawm, ntxuav nrog acetone thiab ethanol, ntxuav nrog dej distilled, thiab ziab ntuj. Tom qab ntawd cov qauv tau muab tso rau hauv lub cub tawg muffle ntawm 450 ° C (cua sov 5 ° C / feeb), khaws cia ntawm qhov kub tas li rau 120 feeb, thiab muab tso rau hauv lub tais ziab.
Cov tshuaj nickel sulfide-titanium dioxide tau txais los ntawm txoj kev yooj yim thiab yooj yim dip-deposition. Ua ntej, nickel nitrate (0.03 M) tau yaj rau hauv ethanol thiab khaws cia rau hauv qab magnetic stirring rau 20 feeb kom tau txais cov tshuaj ethanol ntawm nickel nitrate. Tom qab ntawd npaj sodium sulfide (0.03 M) nrog cov tshuaj sib xyaw ntawm methanol (methanol: dej = 1: 1). Tom qab ntawd, cov ntsiav tshuaj titanium dioxide tau muab tso rau hauv cov tshuaj uas tau npaj saum toj no, coj tawm tom qab 4 feeb, thiab ntxuav sai sai nrog cov tshuaj sib xyaw ntawm methanol thiab dej (methanol: dej = 1: 1) rau 1 feeb. Tom qab qhov chaw tau qhuav lawm, cov ntsiav tshuaj tau muab tso rau hauv lub cub tawg muffle, cua sov hauv lub tshuab nqus tsev ntawm 380 ° C rau 20 feeb, txias rau chav tsev kub, thiab ziab. Tus naj npawb ntawm lub voj voog 2, 4, 6 thiab 8.
Cov nanoparticles Ag tau hloov kho Ag/NiS/TiO2 nanocomposites los ntawm kev siv photoreduction12,13. Cov nanocomposite Ag/NiS/TiO2 uas tau muab tso rau hauv cov tshuaj silver nitrate uas tsim nyog rau kev sim. Tom qab ntawd cov qauv tau raug irradiated nrog lub teeb ultraviolet rau 30 feeb, lawv cov nplaim tau ntxuav nrog dej deionized, thiab Ag/NiS/TiO2 nanocomposites tau txais los ntawm kev ziab ntuj. Cov txheej txheem sim piav qhia saum toj no tau pom hauv Daim Duab 1.
Cov nanocomposites Ag/NiS/TiO2 tau raug piav qhia los ntawm kev siv field emission scanning electron microscopy (FESEM), energy dispersive spectroscopy (EDS), X-ray photoelectron spectroscopy (XPS), thiab diffuse reflectance hauv ultraviolet thiab visible ranges (UV-Vis). FESEM tau ua tiav siv Nova NanoSEM 450 microscope (FEI Corporation, USA). Accelerating voltage 1 kV, spot size 2.0. Lub cuab yeej siv CBS probe los txais cov electrons thib ob thiab backscattered rau kev tshuaj xyuas topography. EMF tau ua tiav siv Oxford X-Max N50 EMF system (Oxford Instruments Technology Co., Ltd.) nrog lub zog accelerating ntawm 15 kV thiab spot size ntawm 3.0. Kev tshuaj xyuas zoo thiab ntau yam siv cov yam ntxwv X-rays. Kev siv tshuab ntsuas hluav taws xob X-ray photoelectron spectroscopy tau ua tiav rau ntawm lub tshuab ntsuas hluav taws xob Escalab 250Xi (Thermo Fisher Scientific Corporation, USA) uas ua haujlwm hauv hom zog ruaj khov nrog lub zog txhawb nqa ntawm 150 W thiab monochromatic Al Kα hluav taws xob (1486.6 eV) ua qhov chaw txhawb nqa. Qhov ntsuas tag nrho ntawm 0–1600 eV, tag nrho lub zog 50 eV, qhov dav ntawm kauj ruam 1.0 eV, thiab cov pa roj carbon tsis huv (~ 284.8 eV) tau siv ua cov ntaub ntawv kho qhov them zog khi. Lub zog hla rau kev ntsuas nqaim yog 20 eV nrog kauj ruam ntawm 0.05 eV. Kev ntsuas hluav taws xob diffuse reflectance hauv thaj chaw pom UV tau ua tiav rau ntawm lub tshuab ntsuas hluav taws xob Cary 5000 (Varian, USA) nrog lub phaj barium sulfate txheem hauv qhov ntsuas ntawm 10–80°.
Hauv txoj haujlwm no, cov khoom sib xyaw (qhov hnyav feem pua) ntawm 304 stainless hlau yog 0.08 C, 1.86 Mn, 0.72 Si, 0.035 P, 0.029 s, 18.25 Cr, 8.5 Ni, thiab qhov seem yog Fe. 10mm x 10mm x 10mm 304 stainless hlau, epoxy potted nrog 1 cm2 qhov chaw raug. Nws qhov chaw tau xuab nrog 2400 grit silicon carbide sandpaper thiab ntxuav nrog ethanol. Cov hlau stainless hlau ces sonicated hauv dej deionized rau 5 feeb thiab tom qab ntawd khaws cia rau hauv qhov cub.
Hauv kev sim OCP, 304 stainless hlau thiab Ag/NiS/TiO2 photoanode tau muab tso rau hauv lub cell corrosion thiab lub cell photoanode, raws li (Daim Duab 2). Lub cell corrosion tau puv nrog 3.5% NaCl kua, thiab 0.25 M Na2SO3 tau nchuav rau hauv lub cell photoanode ua lub qhov ntxiab. Ob lub electrolytes tau sib cais los ntawm qhov sib tov siv lub naphthol membrane. OCP tau ntsuas ntawm lub chaw ua haujlwm electrochemical (P4000+, USA). Lub electrode siv yog lub saturated calomel electrode (SCE). Lub teeb ci (xenon teeb, PLS-SXE300C, Poisson Technologies Co., Ltd.) thiab lub phaj txiav 420 tau muab tso rau ntawm qhov hluav taws xob ntawm lub teeb ci, tso cai rau lub teeb pom kev dhau los ntawm lub iav quartz mus rau photoanode. Lub electrode stainless hlau 304 txuas nrog lub photoanode nrog lub xov tooj liab. Ua ntej qhov kev sim, lub electrode 304 stainless hlau tau muab tso rau hauv 3.5% NaCl kua rau 2 teev kom ntseeg tau tias lub xeev ruaj khov. Thaum pib ntawm qhov kev sim, thaum lub teeb qhib thiab kaw, cov electrons excited ntawm photoanode ncav cuag qhov chaw ntawm 304 stainless hlau los ntawm cov hlau.
Hauv kev sim ntawm qhov ceev ntawm photocurrent, 304SS thiab Ag/NiS/TiO2 photoanodes tau muab tso rau hauv cov hlwb xeb thiab cov hlwb photoanode, raws li (Daim Duab 3). Qhov ceev ntawm photocurrent tau ntsuas ntawm tib qho kev teeb tsa li OCP. Txhawm rau kom tau txais qhov ceev ntawm photocurrent tiag tiag ntawm 304 stainless hlau thiab photoanode, potentiostat tau siv ua lub ntsuas xoom tsis kam los txuas 304 stainless hlau thiab photoanode nyob rau hauv cov xwm txheej tsis-polarized. Txhawm rau ua qhov no, cov electrodes siv thiab cov electrodes counter hauv qhov kev teeb tsa sim tau luv luv, yog li ntawd lub chaw ua haujlwm electrochemical ua haujlwm ua lub ntsuas xoom tsis kam uas tuaj yeem ntsuas qhov ceev tam sim no tiag tiag. Lub electrode 304 stainless hlau txuas nrog hauv av ntawm lub chaw ua haujlwm electrochemical, thiab photoanode txuas nrog lub clamp electrode ua haujlwm. Thaum pib ntawm kev sim, thaum lub teeb tig rau thiab tawm, cov electrons zoo siab ntawm photoanode los ntawm cov hlau ncav cuag qhov chaw ntawm 304 stainless hlau. Lub sijhawm no, qhov kev hloov pauv ntawm qhov ceev ntawm photocurrent ntawm qhov chaw ntawm 304 stainless hlau tuaj yeem pom.
Txhawm rau kawm txog kev ua haujlwm tiv thaiv cathodic ntawm nanocomposites ntawm 304 stainless hlau, kev hloov pauv ntawm lub peev xwm photoionization ntawm 304 stainless hlau thiab nanocomposites, nrog rau kev hloov pauv ntawm photoionization tam sim no ceev ntawm nanocomposites thiab 304 stainless hlau, tau raug sim.
Hauv daim duab 4 qhia txog kev hloov pauv ntawm lub zog qhib ntawm 304 stainless hlau thiab nanocomposites nyob rau hauv lub teeb pom kev zoo thiab nyob rau hauv qhov tsaus ntuj. Hauv daim duab 4a qhia txog kev cuam tshuam ntawm lub sijhawm tso NiS los ntawm kev immersion rau lub zog qhib ntawm lub zog, thiab daim duab 4b qhia txog kev cuam tshuam ntawm cov nyiaj nitrate concentration rau lub zog qhib ntawm lub zog thaum lub sijhawm photoreduction. Hauv daim duab 4a qhia tau tias lub zog qhib ntawm NiS/TiO2 nanocomposite uas txuas nrog 304 stainless hlau raug txo qis heev thaum lub teeb tig mus piv rau nickel sulfide composite. Tsis tas li ntawd, lub zog qhib ntawm lub zog yog qhov tsis zoo dua li ntawm cov nanowires TiO2 ntshiab, qhia tias nickel sulfide composite tsim ntau cov electrons thiab txhim kho cov nyhuv tiv thaiv photocathode los ntawm TiO2. Txawm li cas los xij, thaum kawg ntawm kev raug, lub zog tsis muaj load nce sai sai mus rau lub zog tsis muaj load ntawm stainless hlau, qhia tias nickel sulfide tsis muaj cov nyhuv khaws cia zog. Cov nyhuv ntawm tus lej ntawm cov voj voog tso dej rau ntawm lub zog qhib ntawm lub zog tuaj yeem pom hauv daim duab 4a. Thaum lub sijhawm tso tawm ntawm 6, qhov muaj peev xwm loj tshaj plaws ntawm cov nanocomposite ncav cuag -550 mV piv rau cov calomel electrode uas tau saturated, thiab qhov muaj peev xwm ntawm cov nanocomposite uas tau tso los ntawm qhov ntsuas ntawm 6 yog qis dua li ntawm cov nanocomposite hauv lwm yam mob. Yog li, cov NiS / TiO2 nanocomposites tau txais tom qab 6 lub voj voog tso tawm tau muab kev tiv thaiv cathodic zoo tshaj plaws rau 304 stainless hlau.
Kev hloov pauv hauv OCP ntawm 304 stainless hlau electrodes nrog NiS/TiO2 nanocomposites (a) thiab Ag/NiS/TiO2 nanocomposites (b) nrog thiab tsis muaj illumination (λ > 400 nm).
Raws li pom hauv daim duab 4b, qhov qhib hluav taws xob muaj peev xwm ntawm 304 stainless hlau thiab Ag/NiS/TiO2 nanocomposites tau txo qis heev thaum raug lub teeb. Tom qab tso cov nanoparticles nyiaj rau saum npoo, qhov qhib hluav taws xob muaj peev xwm tau txo qis heev piv rau cov nanowires TiO2 ntshiab. Qhov muaj peev xwm ntawm NiS/TiO2 nanocomposite tsis zoo, qhia tias qhov cathodic tiv thaiv ntawm TiO2 zoo dua tom qab Ag nanoparticles raug tso. Qhov qhib hluav taws xob muaj peev xwm nce sai sai thaum kawg ntawm kev raug, thiab piv rau lub electrode calomel saturated, qhov qhib hluav taws xob muaj peev xwm ncav cuag -580 mV, uas qis dua li ntawm 304 stainless hlau (-180 mV). Qhov tshwm sim no qhia tau tias lub nanocomposite muaj qhov zoo kawg nkaus khaws cia lub zog tom qab cov nyiaj me me raug tso rau ntawm nws qhov chaw. Ntawm daim duab 4b kuj qhia txog qhov cuam tshuam ntawm cov nyiaj nitrate concentration ntawm qhov qhib hluav taws xob muaj peev xwm. Ntawm qhov nyiaj nitrate concentration ntawm 0.1 M, qhov txwv tsis pub muaj peev xwm piv rau lub electrode calomel saturated ncav cuag -925 mV. Tom qab 4 lub voj voog thov, lub peev xwm tseem nyob ntawm qib tom qab thawj zaug thov, uas qhia txog qhov ruaj khov zoo heev ntawm cov nanocomposite. Yog li, ntawm qhov concentration ntawm cov nyiaj nitrate ntawm 0.1 M, cov Ag / NiS / TiO2 nanocomposite uas tshwm sim muaj qhov zoo tshaj plaws cathodic tiv thaiv cov nyhuv ntawm 304 stainless hlau.
Qhov kev tso NiS rau ntawm qhov chaw ntawm TiO2 nanowires maj mam zoo dua nrog lub sijhawm tso NiS nce ntxiv. Thaum lub teeb pom kev ntaus rau ntawm qhov chaw ntawm nanowire, ntau qhov chaw ua haujlwm nickel sulfide zoo siab los tsim cov electrons, thiab lub peev xwm photoionization txo qis ntau dua. Txawm li cas los xij, thaum cov nanoparticles nickel sulfide raug tso ntau dhau rau ntawm qhov chaw, qhov kev zoo siab nickel sulfide raug txo qis, uas tsis pab txhawb rau kev nqus lub teeb. Tom qab cov nyiaj me me raug tso rau ntawm qhov chaw, vim yog qhov cuam tshuam ntawm qhov chaw plasmon resonance ntawm cov nyiaj me me, cov electrons tsim tawm yuav raug xa mus rau ntawm qhov chaw ntawm 304 stainless hlau sai sai, ua rau muaj kev tiv thaiv cathodic zoo heev. Thaum muaj ntau cov nyiaj me me raug tso rau ntawm qhov chaw, cov nyiaj me me dhau los ua qhov chaw sib xyaw rau cov photoelectrons thiab qhov, uas tsis pab txhawb rau kev tsim cov photoelectrons. Hauv kev xaus, Ag / NiS / TiO2 nanocomposites tuaj yeem muab kev tiv thaiv cathodic zoo tshaj plaws rau 304 stainless hlau tom qab 6-fold nickel sulfide deposition nyob rau hauv 0.1 M nyiaj nitrate.
Tus nqi ntawm qhov ceev ntawm photocurrent sawv cev rau lub zog sib cais ntawm cov electrons thiab qhov photogenerated, thiab qhov ceev ntawm photocurrent ntau dua, qhov muaj zog ntawm lub zog sib cais ntawm cov electrons thiab qhov photogenerated. Muaj ntau txoj kev tshawb fawb qhia tias NiS siv dav hauv kev tsim cov khoom siv photocatalytic los txhim kho cov khoom siv photoelectric ntawm cov ntaub ntawv thiab cais cov qhov 15, 16, 17, 18, 19, 20. Chen et al. kawm txog cov graphene tsis muaj hlau thiab g-C3N4 composites uas tau hloov kho nrog NiS 15. Qhov siab tshaj plaws ntawm photocurrent ntawm g-C3N4 / 0.25% RGO / 3% NiS hloov kho yog 0.018 μA / cm2. Chen et al. kawm txog CdSe-NiS nrog qhov ceev ntawm photocurrent ntawm kwv yees li 10 µA / cm2.16. Liu et al. tsim cov khoom sib xyaw CdS@NiS nrog qhov ceev ntawm photocurrent ntawm 15 µA / cm218. Txawm li cas los xij, kev siv NiS rau kev tiv thaiv photocathode tseem tsis tau tshaj tawm. Hauv peb txoj kev tshawb fawb, qhov ceev ntawm photocurrent ntawm TiO2 tau nce ntxiv los ntawm kev hloov kho ntawm NiS. Ntawm daim duab 5 qhia txog kev hloov pauv ntawm qhov ceev ntawm photocurrent ntawm 304 stainless hlau thiab nanocomposites nyob rau hauv qhov pom kev thiab tsis muaj teeb pom kev zoo. Raws li pom hauv daim duab 5a, qhov ceev ntawm photocurrent ntawm NiS / TiO2 nanocomposite nce sai sai thaum lub teeb tig rau, thiab qhov ceev ntawm photocurrent yog qhov zoo, qhia txog kev ntws ntawm cov hluav taws xob los ntawm nanocomposite mus rau qhov chaw los ntawm lub chaw ua haujlwm electrochemical. 304 stainless hlau. Tom qab npaj cov nickel sulfide composites, qhov ceev ntawm photocurrent yog ntau dua li ntawm cov nanowires TiO2 ntshiab. Qhov ceev ntawm photocurrent ntawm NiS ncav cuag 220 μA / cm2, uas yog 6.8 npaug ntau dua li ntawm TiO2 nanowires (32 μA / cm2), thaum NiS raug raus thiab tso 6 zaug. Raws li pom hauv daim duab. 5b, qhov ceev ntawm photocurrent ntawm Ag/NiS/TiO2 nanocomposite thiab 304 stainless hlau yog siab dua li ntawm TiO2 ntshiab thiab NiS/TiO2 nanocomposite thaum qhib rau hauv qab lub teeb xenon. Hauv daim duab 5b kuj qhia txog qhov cuam tshuam ntawm AgNO concentration ntawm photocurrent density thaum lub sijhawm photoreduction. Ntawm qhov concentration ntawm silver nitrate ntawm 0.1 M, nws qhov ceev photocurrent ncav cuag 410 μA/cm2, uas yog 12.8 npaug siab dua li ntawm TiO2 nanowires (32 μA/cm2) thiab 1.8 npaug siab dua li ntawm NiS/TiO2 nanocomposites. Lub teb hluav taws xob heterojunction tau tsim ntawm Ag/NiS/TiO2 nanocomposite interface, uas ua rau kev sib cais ntawm cov electrons photogenerated los ntawm qhov.
Kev hloov pauv ntawm qhov ceev ntawm photocurrent ntawm 304 stainless hlau electrode nrog (a) NiS/TiO2 nanocomposite thiab (b) Ag/NiS/TiO2 nanocomposite nrog thiab tsis muaj illumination (λ > 400 nm).
Yog li, tom qab 6 lub voj voog ntawm nickel sulfide immersion-deposition hauv 0.1 M concentrated silver nitrate, qhov ceev photocurrent ntawm Ag/NiS/TiO2 nanocomposites thiab 304 stainless hlau ncav cuag 410 μA/cm2, uas yog siab dua li ntawm saturated calomel. electrodes ncav cuag -925 mV. Nyob rau hauv cov xwm txheej no, 304 stainless hlau ua ke nrog Ag/NiS/TiO2 tuaj yeem muab kev tiv thaiv cathodic zoo tshaj plaws.
Hauv daim duab 6 qhia cov duab ntawm lub tshuab hluav taws xob ntawm qhov chaw ntawm cov hlau titanium dioxide nanowires ntshiab, cov khoom sib xyaw nickel sulfide nanoparticles, thiab cov khoom siv nyiaj nanoparticles nyob rau hauv qhov zoo tshaj plaws. Hauv daim duab 6a, d qhia cov hlau TiO2 nanowires ntshiab tau los ntawm kev anodization ib theem. Qhov kev faib tawm ntawm qhov chaw ntawm titanium dioxide nanowires yog sib xws, cov qauv ntawm nanowires nyob ze rau ib leeg, thiab qhov loj me ntawm qhov pore faib yog sib xws. Cov duab 6b thiab e yog cov duab hluav taws xob micrographs ntawm titanium dioxide tom qab 6-fold impregnation thiab deposition ntawm nickel sulfide composites. Los ntawm daim duab electron microscopic uas tau nthuav dav 200,000 zaug hauv daim duab 6e, nws tuaj yeem pom tias cov khoom sib xyaw nickel sulfide nanoparticles yog homogeneous thiab muaj qhov loj me ntawm kwv yees li 100–120 nm hauv txoj kab uas hla. Qee cov nanoparticles tuaj yeem pom hauv qhov chaw ntawm cov nanowires, thiab titanium dioxide nanowires pom tseeb. Hauv daim duab. 6c,f qhia cov duab electron microscopic ntawm NiS/TiO2 nanocomposites ntawm AgNO concentration ntawm 0.1 M. Piv rau Figs. 6b thiab fig. 6e, fig. 6c thiab fig. 6f qhia tias cov Ag nanoparticles tau tso rau ntawm qhov chaw ntawm cov khoom sib xyaw, nrog rau cov Ag nanoparticles faib sib npaug nrog lub cheeb ntawm txog 10 nm. Ntawm daim duab. 7 qhia ib qho seem ntawm Ag/NiS/TiO2 nanofilms raug rau 6 lub voj voog ntawm NiS dip deposition ntawm AgNO3 concentration ntawm 0.1 M. Los ntawm cov duab magnification siab, qhov tuab ntawm zaj duab xis ntsuas yog 240-270 nm. Yog li, nickel thiab silver sulfide nanoparticles tau sib sau ua ke ntawm qhov chaw ntawm TiO2 nanowires.
TiO2 ntshiab (a, d), NiS/TiO2 nanocomposites nrog 6 lub voj voog ntawm NiS dip deposition (b, e) thiab Ag/NiS/NiS nrog 6 lub voj voog ntawm NiS dip deposition ntawm 0.1 M AgNO3 SEM duab ntawm TiO2 nanocomposites (c, e).
Kev txiav ntawm Ag/NiS/TiO2 nanofilms raug rau 6 lub voj voog ntawm NiS dip deposition ntawm AgNO3 concentration ntawm 0.1 M.
Hauv daim duab 8 qhia txog qhov kev faib tawm ntawm cov ntsiab lus saum npoo ntawm Ag/NiS/TiO2 nanocomposites tau los ntawm 6 lub voj voog ntawm nickel sulfide dip deposition ntawm cov nyiaj nitrate concentration ntawm 0.1 M. Qhov kev faib tawm ntawm cov ntsiab lus ntawm saum npoo qhia tau tias Ti, O, Ni, S thiab Ag tau raug kuaj pom. siv lub zog spectroscopy. Hauv cov ntsiab lus ntawm cov ntsiab lus, Ti thiab O yog cov ntsiab lus feem ntau hauv kev faib tawm, thaum Ni thiab S yog kwv yees li tib yam, tab sis lawv cov ntsiab lus qis dua Ag. Nws kuj tseem tuaj yeem ua pov thawj tias qhov ntau ntawm cov khoom siv nyiaj sib xyaw saum npoo ntau dua li ntawm nickel sulfide. Qhov kev faib tawm sib npaug ntawm cov ntsiab lus ntawm saum npoo qhia tau tias nickel thiab nyiaj sulfide tau sib txuas sib npaug ntawm saum npoo ntawm TiO2 nanowires. Kev tshuaj xyuas X-ray photoelectron spectroscopic tau ua ntxiv los tshuaj xyuas cov khoom sib xyaw thiab lub xeev khi ntawm cov tshuaj.
Kev faib tawm ntawm cov ntsiab lus (Ti, O, Ni, S, thiab Ag) ntawm Ag/NiS/TiO2 nanocomposites ntawm qhov concentration AgNO3 ntawm 0.1 M rau 6 lub voj voog ntawm NiS dip deposition.
Hauv daim duab 9 qhia txog cov XPS spectra ntawm Ag/NiS/TiO2 nanocomposites tau los ntawm kev siv 6 lub voj voog ntawm nickel sulfide deposition los ntawm kev immersion hauv 0.1 M AgNO3, qhov twg daim duab 9a yog tag nrho spectrum, thiab lwm cov spectra yog cov spectra siab daws teeb meem ntawm cov ntsiab lus. Raws li tuaj yeem pom los ntawm tag nrho spectrum hauv daim duab 9a, cov peaks nqus ntawm Ti, O, Ni, S, thiab Ag tau pom hauv nanocomposite, uas ua pov thawj tias muaj tsib lub ntsiab lus no. Cov txiaj ntsig ntawm kev xeem tau raws li EDS. Lub peak ntau dhau hauv Daim Duab 9a yog lub peak carbon siv los kho rau lub zog khi ntawm cov qauv. Hauv daim duab 9b qhia txog lub zog siab daws teeb meem ntawm Ti. Lub peaks nqus ntawm 2p orbitals nyob ntawm 459.32 thiab 465 eV, uas sib raug rau kev nqus ntawm Ti 2p3/2 thiab Ti 2p1/2 orbitals. Ob lub ncov nqus dej ua pov thawj tias titanium muaj Ti4+ valence, uas sib raug rau Ti hauv TiO2.
XPS spectra ntawm Ag/NiS/TiO2 kev ntsuas (a) thiab high resolution XPS spectra ntawm Ti2p(b), O1s(c), Ni2p(d), S2p(e), thiab Ag 3d(f).
Hauv daim duab 9d qhia txog lub zog Ni uas muaj kev daws teeb meem siab nrog plaub lub ncov nqus rau Ni 2p orbital. Lub ncov nqus ntawm 856 thiab 873.5 eV sib raug rau Ni 2p3/2 thiab Ni 2p1/2 8.10 orbitals, qhov twg lub ncov nqus yog NiS. Lub ncov nqus ntawm 881 thiab 863 eV yog rau nickel nitrate thiab yog tshwm sim los ntawm nickel nitrate reagent thaum lub sijhawm npaj qauv. Hauv daim duab 9e qhia txog lub S-spectrum uas muaj kev daws teeb meem siab. Lub ncov nqus ntawm S 2p orbitals nyob ntawm 161.5 thiab 168.1 eV, uas sib raug rau S 2p3/2 thiab S 2p1/2 orbitals 21, 22, 23, 24. Ob lub ncov no yog rau nickel sulfide compounds. Lub ncov nqus ntawm 169.2 thiab 163.4 eV yog rau sodium sulfide reagent. Hauv daim duab. 9f qhia txog qhov kev daws teeb meem siab Ag spectrum uas cov 3d orbital absorption peaks ntawm cov nyiaj nyob ntawm 368.2 thiab 374.5 eV, feem, thiab ob lub absorption peaks sib raug rau lub absorption orbits ntawm Ag 3d5/2 thiab Ag 3d3/212, 13. Cov peaks hauv ob qho chaw no ua pov thawj tias cov nanoparticles nyiaj muaj nyob rau hauv lub xeev ntawm cov nyiaj elemental. Yog li, cov nanocomposites feem ntau yog tsim los ntawm Ag, NiS thiab TiO2, uas tau txiav txim siab los ntawm X-ray photoelectron spectroscopy, uas ua pov thawj tias nickel thiab silver sulfide nanoparticles tau ua tiav ua ke ntawm qhov chaw ntawm TiO2 nanowires.
Hauv daim duab 10 qhia txog UV-VIS diffuse reflectance spectra ntawm cov TiO2 nanowires tshiab, NiS/TiO2 nanocomposites, thiab Ag/NiS/TiO2 nanocomposites. Nws tuaj yeem pom los ntawm daim duab tias qhov absorption threshold ntawm TiO2 nanowires yog li 390 nm, thiab lub teeb absorbed feem ntau yog concentrated nyob rau hauv thaj chaw ultraviolet. Nws tuaj yeem pom los ntawm daim duab tias tom qab kev sib xyaw ua ke ntawm nickel thiab silver sulfide nanoparticles ntawm qhov chaw ntawm titanium dioxide nanowires 21, 22, lub teeb absorbed propagates mus rau hauv thaj chaw pom kev. Tib lub sijhawm, lub nanocomposite tau nce UV absorption, uas yog txuam nrog ib qho nqaim band gap ntawm nickel sulfide. Qhov nqaim band gap, qhov qis dua lub zog barrier rau electronic transitions thiab qhov siab dua ntawm kev siv lub teeb. Tom qab compounding lub NiS/TiO2 nto nrog silver nanoparticles, qhov absorption intensity thiab lub teeb wavelength tsis nce ntau, feem ntau yog vim qhov cuam tshuam ntawm plasmon resonance ntawm qhov chaw ntawm silver nanoparticles. Qhov wavelength ntawm TiO2 nanowires tsis zoo dua piv rau qhov sib txawv ntawm cov khoom sib xyaw NiS nanoparticles. Hauv kev xaus, tom qab cov khoom sib xyaw nickel sulfide thiab silver nanoparticles ntawm qhov chaw ntawm titanium dioxide nanowires, nws cov yam ntxwv ntawm kev nqus lub teeb tau zoo dua, thiab qhov ntau ntawm kev nqus lub teeb tau nthuav dav los ntawm ultraviolet mus rau lub teeb pom kev zoo, uas txhim kho kev siv ntawm titanium dioxide nanowires. Lub teeb uas txhim kho cov khoom siv lub peev xwm los tsim cov photoelectrons.
UV/Vis diffuse reflectance spectra of fresh TiO2 nanowires, NiS/TiO2 nanocomposites, and Ag/NiS/TiO2 nanocomposites.
Hauv daim duab 11 qhia txog txoj kev tiv thaiv kev xeb ntawm Ag/NiS/TiO2 nanocomposites thaum pom kev. Raws li qhov muaj peev xwm faib tawm ntawm cov nanoparticles nyiaj, nickel sulfide, thiab cov kab conduction ntawm titanium dioxide, daim ntawv qhia txog txoj kev tiv thaiv kev xeb tau muab tso tawm. Vim tias qhov muaj peev xwm conduction band ntawm nanosilver yog qhov tsis zoo piv rau nickel sulfide, thiab qhov muaj peev xwm conduction band ntawm nickel sulfide yog qhov tsis zoo piv rau titanium dioxide, qhov kev taw qhia ntawm electron ntws yog kwv yees li Ag→NiS→TiO2→304 stainless hlau. Thaum lub teeb raug irradiated rau ntawm qhov chaw ntawm nanocomposite, vim yog qhov cuam tshuam ntawm qhov chaw plasmon resonance ntawm nanosilver, nanosilver tuaj yeem tsim cov qhov thiab electrons photogenerated sai sai, thiab cov electrons photogenerated txav mus los ntawm qhov chaw valence band mus rau qhov chaw conduction band vim yog excitation. Titanium dioxide thiab nickel sulfide. Vim tias qhov conductivity ntawm cov nyiaj nanoparticles yog qhov tsis zoo dua li ntawm nickel sulfide, cov electrons hauv TS ntawm cov nyiaj nanoparticles raug hloov pauv sai sai rau TS ntawm nickel sulfide. Lub peev xwm conduction ntawm nickel sulfide yog qhov tsis zoo dua li ntawm titanium dioxide, yog li cov electrons ntawm nickel sulfide thiab conductivity ntawm nyiaj sai sai sib sau ua ke hauv CB ntawm titanium dioxide. Cov electrons photogenerated tsim tau mus txog qhov chaw ntawm 304 stainless hlau los ntawm titanium matrix, thiab cov electrons nplua nuj koom nrog hauv cov txheej txheem cathodic oxygen txo qis ntawm 304 stainless hlau. Cov txheej txheem no txo ​​​​​​qhov cathodic reaction thiab tib lub sijhawm suppresses qhov anodic dissolution reaction ntawm 304 stainless hlau, yog li ua tiav cathodic tiv thaiv ntawm stainless hlau 304. Vim yog kev tsim ntawm lub teb hluav taws xob ntawm heterojunction hauv Ag / NiS / TiO2 nanocomposite, lub peev xwm conductive ntawm nanocomposite raug hloov mus rau qhov chaw tsis zoo dua, uas zoo dua txhim kho cathodic tiv thaiv nyhuv ntawm 304 stainless hlau.
Daim duab kos ntawm cov txheej txheem photoelectrochemical anti-corrosion ntawm Ag/NiS/TiO2 nanocomposites hauv lub teeb pom kev.
Hauv txoj haujlwm no, cov nanoparticles nickel thiab silver sulfide tau tsim los ntawm saum npoo ntawm TiO2 nanowires los ntawm kev siv txoj kev yooj yim immersion thiab photoreduction. Ib qho kev tshawb fawb txog kev tiv thaiv cathodic ntawm Ag / NiS / TiO2 nanocomposites ntawm 304 stainless hlau tau ua tiav. Raws li cov yam ntxwv morphological, kev tshuaj xyuas ntawm cov khoom sib xyaw thiab kev tshuaj xyuas ntawm cov yam ntxwv nqus lub teeb, cov lus xaus tseem ceeb hauv qab no tau ua:
Nrog ntau lub voj voog impregnation-deposition ntawm nickel sulfide ntawm 6 thiab qhov concentration ntawm silver nitrate rau photoreduction ntawm 0.1 mol / l, cov nanocomposites Ag / NiS / TiO2 tau muaj cov nyhuv tiv thaiv cathodic zoo dua ntawm 304 stainless hlau. Piv nrog rau lub electrode calomel saturated, lub peev xwm tiv thaiv ncav cuag -925 mV, thiab tam sim no tiv thaiv ncav cuag 410 μA / cm2.
Ib lub teb hluav taws xob heterojunction tau tsim ntawm Ag/NiS/TiO2 nanocomposite interface, uas txhim kho lub zog sib cais ntawm cov hluav taws xob photogenerated thiab qhov. Tib lub sijhawm, qhov kev siv lub teeb zoo dua thiab qhov ntau ntawm kev nqus lub teeb tau nthuav dav los ntawm thaj chaw ultraviolet mus rau thaj chaw pom. Lub nanocomposite tseem yuav khaws nws lub xeev qub nrog kev ruaj khov zoo tom qab 4 lub voj voog.
Cov nanocomposites Ag/NiS/TiO2 uas tau npaj los ntawm kev sim muaj qhov chaw sib xws thiab ntom. Cov nanoparticles nickel sulfide thiab cov nanoparticles nyiaj tau sib xyaw ua ke rau ntawm qhov chaw ntawm TiO2 nanowires. Cov khoom sib xyaw cobalt ferrite thiab cov nanoparticles nyiaj muaj cov khoom huv siab.
Li, MC, Luo, SZ, Wu, PF & Shen, JN Cov nyhuv tiv thaiv photocathodic ntawm TiO2 zaj duab xis rau cov hlau carbon hauv 3% NaCl cov kev daws teeb meem. Li, MC, Luo, SZ, Wu, PF & Shen, JN Cov nyhuv tiv thaiv photocathodic ntawm TiO2 zaj duab xis rau cov hlau carbon hauv 3% NaCl cov kev daws teeb meem. Li, MC, Luo, SZ, Wu, PF & Shen, JN Эффект фотокатодной защиты пленок TiO2 для углеродистой стали в 3% растворах NaCl. Li, MC, Luo, SZ, Wu, PF & Shen, JN Photocathode tiv thaiv cov nyhuv ntawm TiO2 zaj duab xis rau cov hlau carbon hauv 3% NaCl cov kev daws teeb meem. Li, MC, Luo, SZ, Wu, PF & Shen, JN TiO2 薄膜在3% NaCl 溶液中对碳钢的光阴极保护效果. Li, MC, Luo, SZ, Wu, PF & Shen, JN TiO2 薄膜在3% NaCl 溶液中对碳钢的光阴极保护效果. Li, MC, Luo, SZ, Wu, PF & Shen, JN Фотокатодная защита углеродистой стали тонкими пленками TiO2 в 3% растворе NaCl. Li, MC, Luo, SZ, Wu, PF & Shen, JN Kev tiv thaiv photocathode ntawm cov hlau carbon nrog TiO2 cov yeeb yaj kiab nyias hauv 3% NaCl kua.Electrochem. Acta 50, 3401–3406 (2005).
Li, J., Lin, CJ, Lai, YK & Du, RG Kev tiv thaiv cathodic photogenerated ntawm paj-zoo li, nanostructured, N-doped TiO2 zaj duab xis ntawm stainless hlau. Li, J., Lin, CJ, Lai, YK & Du, RG Kev tiv thaiv cathodic photogenerated ntawm paj-zoo li, nanostructured, N-doped TiO2 zaj duab xis ntawm stainless hlau.Lee, J., Lin, SJ, Lai, YK thiab Du, RG Kev tiv thaiv cathodic photogenerated ntawm nanostructured, nitrogen-doped TiO2 zaj duab xis hauv daim ntawv ntawm paj ntawm stainless hlau. Li, J., Lin, CJ, Lai, YK & Du, RG 花状纳米结构N 掺杂TiO2 薄膜在不锈钢上的光生阴极保护. Li, J., Lin, CJ, Lai, YK & Du, RG.Lee, J., Lin, SJ, Lai, YK thiab Du, RG Kev tiv thaiv cathodic photogenerated ntawm nitrogen-doped TiO2 paj-puab nanostructured nyias zaj duab xis ntawm stainless hlau.caij nthwv dej Ib lub tsho loj. thev naus laus zis 205, 557–564 (2010).
Zhou, MJ, Zeng, ZO & Zhong, L. Cov khoom tiv thaiv cathode uas tsim los ntawm cov duab ntawm cov txheej txheem nano-sized TiO2/WO3. Zhou, MJ, Zeng, ZO & Zhong, L. Cov khoom tiv thaiv cathode uas tsim los ntawm cov duab ntawm cov txheej txheem nano-sized TiO2/WO3.Zhou, MJ, Zeng, ZO thiab Zhong, L. Cov khoom tiv thaiv cathodic photogenerated ntawm TiO2 / WO3 nanoscale txheej. Zhou, MJ, Zeng, ZO & Zhong, L. 纳米TiO2/WO3 涂层的光生阴极保护性能. Zhou, MJ, Zeng, ZO & Zhong, L. 纳米TiO2/WO3 涂层的光生阴极保护性能.Zhou MJ, Zeng ZO thiab Zhong L. Cov khoom tiv thaiv cathodic photogenerated ntawm nano-TiO2 / WO3 coatings.koros. kev tshawb fawb. 51, 1386–1397 (2009).
Park, H., Kim, KY & Choi, W. Txoj kev siv photoelectrochemical rau kev tiv thaiv kev xeb hlau siv cov semiconductor photoanode. Park, H., Kim, KY & Choi, W. Txoj kev siv photoelectrochemical rau kev tiv thaiv kev xeb hlau siv cov semiconductor photoanode.Park, H., Kim, K.Yu. thiab Choi, V. Ib txoj hauv kev photoelectrochemical rau kev tiv thaiv kev xeb hlau siv lub semiconductor photoanode. Park, H., Kim, KY & Choi, W. 使用半导体光阳极防止金属腐蚀的光电化学方法. Park, H., Kim, KY & Choi, W.Park H., Kim K.Yu. thiab Choi V. Cov txheej txheem photoelectrochemical rau kev tiv thaiv kev xeb ntawm cov hlau siv semiconductor photoanodes.J. Physics. Tshuaj lom neeg. V. 106, 4775–4781 (2002).
Shen, GX, Chen, YC, Lin, L., Lin, CJ & Scantlebury, D. Kev kawm txog cov txheej hydrophobic nano-TiO2 thiab nws cov khoom rau kev tiv thaiv xeb ntawm cov hlau. Shen, GX, Chen, YC, Lin, L., Lin, CJ & Scantlebury, D. Kev kawm txog cov txheej hydrophobic nano-TiO2 thiab nws cov khoom rau kev tiv thaiv xeb ntawm cov hlau. Shen, GX, Chen, YC, Lin, L., Lin, CJ & Scantlebury, D. Исследование гидрофобного покрытия из нано-TiO2 и его свойств для зрещиты Shen, GX, Chen, YC, Lin, L., Lin, CJ & Scantlebury, D. Kev tshawb nrhiav ntawm cov txheej hydrophobic nano-TiO2 thiab nws cov khoom rau kev tiv thaiv xeb ntawm cov hlau. Shen, GX, Chen, YC, Lin, L., Lin, CJ & Scantlebury, D. 疏水纳米二氧化钛涂层及其金属腐蚀防护性能的研究. Shen, GX, Chen, YC, Lin, L., Lin, CJ & Scantlebury, D. Kev kawm txog 疵水 nano-titanium dioxide txheej thiab nws cov khoom tiv thaiv xeb hlau. Shen, GX, Chen, YC, Lin, L., Lin, CJ & Scantlebury, D. Гидрофобные покрытия из нано-TiO2 и их свойства защиты металлов от зиррро Shen, GX, Chen, YC, Lin, L., Lin, CJ & Scantlebury, D. Cov txheej txheem hydrophobic ntawm nano-TiO2 thiab lawv cov khoom tiv thaiv xeb rau cov hlau.Electrochem. Acta 50, 5083–5089 (2005).
Yun, H., Li, J., Chen, HB & Lin, CJ Ib txoj kev tshawb fawb txog N, S thiab Cl-modified nano-TiO2 coatings rau kev tiv thaiv xeb ntawm stainless hlau. Yun, H., Li, J., Chen, HB & Lin, CJ Ib txoj kev tshawb fawb txog N, S thiab Cl-modified nano-TiO2 coatings rau kev tiv thaiv xeb ntawm stainless hlau.Yun, H., Li, J., Chen, HB thiab Lin, SJ Kev tshawb nrhiav ntawm nano-TiO2 coatings hloov kho nrog nitrogen, sulfur thiab chlorine rau kev tiv thaiv xeb ntawm stainless hlau. Yun, H., Li, J., Chen, HB & Lin, CJ N, S 和Cl 改性纳米二氧化钛涂层用于不锈钢腐蚀防护的研究. Yun, H., Li, J., Chen, HB & Lin, CJ N, S thiab Cl Yun, H., Li, J., Chen, HB & Lin, CJ Покрытия N, S и Cl, модифицированные нано-TiO2, для защиты от коррозии нержавеющей. Yun, H., Li, J., Chen, HB & Lin, CJ Nano-TiO2 hloov kho N, S thiab Cl coatings rau kev tiv thaiv xeb ntawm cov hlau tsis xeb.Electrochem. Ntawv 52, 6679–6685 (2007).
Zhu, YF, Du, RG, Chen, W., Qi, HQ & Lin, CJ Cov khoom tiv thaiv photocathodic ntawm peb-seem titanate nanowire network zaj duab xis npaj los ntawm kev sib xyaw ua ke sol-gel thiab hydrothermal txoj kev. Zhu, YF, Du, RG, Chen, W., Qi, HQ & Lin, CJ Cov khoom tiv thaiv photocathodic ntawm peb-seem titanate nanowire network zaj duab xis npaj los ntawm kev sib xyaw ua ke sol-gel thiab hydrothermal txoj kev. Zhu, YF, Du, RG, Chen, W., Qi, HQ & Lin, CJ Фотокатодные защитные свойства трехмерных сетчатых пленок титанатных нанопотрных пленок титанатных нанопотрных комбинированным золь-гель и гидротермическим методом. Zhu, YF, Du, RG, Chen, W., Qi, HQ & Lin, CJ Cov khoom tiv thaiv photocathodic ntawm cov yeeb yaj kiab peb-seem ntawm titanate nanowires npaj los ntawm kev sib xyaw ua ke sol-gel thiab hydrothermal txoj kev. Zhu, YF, Du, RG, Chen, W., Qi, HQ & Lin, CJ Zhu, YF, Du, RG, Chen, W., Qi, HQ & Lin, CJ. Cov khoom tiv thaiv ntawm 消铺-铲和水热法发气小水小水化用线线电视电器电影电影电影电影电影 Zhu, YF, Du, RG, Chen, W., Qi, HQ & Lin, CJ Фотокатодные защитные свойства трехмерных тонких пленок из сетки нанопроволтат, приготовленных золь-гель и гидротермическими методами. Zhu, YF, Du, RG, Chen, W., Qi, HQ & Lin, CJ Cov khoom tiv thaiv photocathodic ntawm peb-seem titanate nanowire network nyias zaj duab xis npaj los ntawm sol-gel thiab hydrothermal txoj kev.Electrochemistry. sib txuas lus 12, 1626–1629 (2010).
Lee, JH, Kim, SI, Park, SM & Kang, M. Ib qho pn heterojunction NiS-sensitized TiO2 photocatalytic system rau kev ua haujlwm zoo ntawm cov pa roj carbon dioxide rau methane. Lee, JH, Kim, SI, Park, SM & Kang, M. Ib qho pn ​​heterojunction NiS-sensitized TiO2 photocatalytic system rau kev ua haujlwm zoo ntawm cov pa roj carbon dioxide rau methane.Lee, JH, Kim, SI, Park, SM, thiab Kang, M. Ib qho pn-heterojunction NiS sensitized TiO2 photocatalytic system rau kev ua haujlwm zoo photoreduction ntawm carbon dioxide rau methane. Lee, JH, Kim, SI, Park, SM & Kang, M. Lee, JH, Kim, SI, Park, SM & Kang, M.Lee, JH, Kim, SI, Park, SM, thiab Kang, M. Ib qho pn-heterojunction NiS sensitized TiO2 photocatalytic system rau kev ua haujlwm zoo photoreduction ntawm carbon dioxide rau methane.cov khoom siv av nplaum. Kev txhais lus. 43, 1768–1774 (2017).
Wang, QZ et al. CuS thiab NiS ua haujlwm ua cocatalysts los txhim kho photocatalytic hydrogen evolution ntawm TiO2. Kev Txhais Lus. J.Hydro. Zog 39, 13421–13428 (2014).
Liu, Y. & Tang, C. Kev txhim kho ntawm photocatalytic H2 evolution hla TiO2 nano-sheet zaj duab xis los ntawm qhov chaw thauj khoom NiS nanoparticles. Liu, Y. & Tang, C. Kev txhim kho ntawm photocatalytic H2 evolution hla TiO2 nano-sheet zaj duab xis los ntawm qhov chaw thauj khoom NiS nanoparticles.Liu, Y. thiab Tang, K. Kev txhim kho ntawm photocatalytic H2 tso tawm hauv TiO2 nanosheet zaj duab xis los ntawm kev thauj khoom ntawm NiS nanoparticles. Liu, Y. & Tang, C. 通过表面负载NiS 纳米颗粒增强TiO2 纳米片薄膜上的光催化产氢. Liu, Y. & Tang, C.Liu, Y. thiab Tang, K. Txhim kho cov khoom siv photocatalytic hydrogen ntawm cov yeeb yaj kiab nyias ntawm TiO2 nanosheets los ntawm kev tso NiS nanoparticles rau ntawm qhov chaw.las. J. Physics. Chemical. A 90, 1042–1048 (2016).
Huang, XW & Liu, ZJ Kev kawm sib piv ntawm cov qauv thiab cov khoom ntawm Ti-O-raws li nanowire zaj duab xis npaj los ntawm anodization thiab tshuaj oxidation txoj kev. Huang, XW & Liu, ZJ Kev kawm sib piv ntawm cov qauv thiab cov khoom ntawm Ti-O-raws li nanowire zaj duab xis npaj los ntawm anodization thiab tshuaj oxidation txoj kev. Huang, XW & Liu, ZJ Сравнительное исследование структуры и свойств пленок нанопроводов на основе Ti-O, полученовных яини ме та химического окисления. Huang, XW & Liu, ZJ Kev tshawb fawb sib piv ntawm cov qauv thiab cov khoom ntawm Ti-O nanowire zaj duab xis tau los ntawm anodizing thiab tshuaj oxidation txoj kev. Huang, XW & Liu, ZJ 阳极氧化法和化学氧化法制备的Ti-O 基纳米线薄膜结构和性能的比能。 Huang, XW & Liu, ZJ 阳极 oxidation 法和chemicaloxidation 法preparation的Ti-O 基基基小线thin film structure 和property 的 comparative research. Huang, XW & Liu, ZJ Сравнительное исследование структуры и свойств тонких пленок из нанопроволоки на осовнове Ti-O, понопроволоки на осовнове Ti-O thiab химическим окислением. Huang, XW & Liu, ZJ Kev tshawb fawb sib piv ntawm cov qauv thiab cov khoom ntawm Ti-O nanowire nyias zaj duab xis npaj los ntawm anodization thiab tshuaj oxidation.J. Alma mater. kev tshawb fawb txog thev naus laus zis 30, 878–883 (2014).
Li, H., Wang, XT, Liu, Y. & Hou, BR Ag thiab SnO2 co-sensitized TiO2 photoanodes rau kev tiv thaiv ntawm 304SS nyob rau hauv lub teeb pom kev zoo. Li, H., Wang, XT, Liu, Y. & Hou, BR Ag thiab SnO2 co-sensitized TiO2 photoanodes rau kev tiv thaiv ntawm 304SS nyob rau hauv lub teeb pom kev zoo. Li, H., Wang, XT, Liu, Y. & Hou, BR Ag и SnO2 совместно сенсибилизировали фотоаноды TiO2 для защиты 304SS в видимом. Li, H., Wang, XT, Liu, Y. & Hou, BR Ag thiab SnO2 cosensitized TiO2 photoanodes los tiv thaiv 304SS hauv lub teeb pom kev. Li, H., Wang, XT, Liu, Y. & Hou, BR Ag 和SnO2 共敏化TiO2 光阳极，用于在可见光下保护304SS. Li, H., Wang, XT, Liu, Y. & Hou, BR Ag Li, H., Wang, XT, Liu, Y. & Hou, BR Фотоанод TiO2, совместно сенсибилизированный Ag и SnO2, для защиты 304SS в видвимом. Li, H., Wang, XT, Liu, Y. & Hou, BR A TiO2 photoanode co-sensitized nrog Ag thiab SnO2 rau kev tiv thaiv lub teeb pom kev ntawm 304SS.koros. kev tshawb fawb. 82, 145–153 (2014).
Wen, ZH, Wang, N., Wang, J. & Hou, BR Ag thiab CoFe2O4 co-sensitized TiO2 nanowire rau kev tiv thaiv photocathodic ntawm 304 SS nyob rau hauv lub teeb pom kev zoo. Wen, ZH, Wang, N., Wang, J. & Hou, BR Ag thiab CoFe2O4 co-sensitized TiO2 nanowire rau kev tiv thaiv photocathodic ntawm 304 SS nyob rau hauv lub teeb pom kev zoo.Wen, ZH, Wang, N., Wang, J. thiab Howe, BR Ag thiab CoFe2O4 co-sensitized nrog TiO2 nanowire rau 304 SS photocathode tiv thaiv hauv lub teeb pom kev zoo. Wen, ZH, Wang, N., Wang, J. & Hou, BR Ag 和CoFe2O4 共敏化TiO2 纳米线，用于在可见光下对 304 SS 进行光鿴。 Wen, ZH, Wang, N., Wang, J. & Hou, BR AgWen, ZH, Wang, N., Wang, J. thiab Howe, BR Ag thiab CoFe2O4 co-sensitized TiO2 nanowires rau 304 SS photocathode tiv thaiv hauv lub teeb pom kev zoo.Kev Txhais Lus. J. Electrochemistry. kev tshawb fawb. 13, 752–761 (2018).
Bu, YY & Ao, JP Kev tshuaj xyuas txog photoelectrochemical cathodic protection semiconductor thin films rau cov hlau. Bu, YY & Ao, JP Kev tshuaj xyuas txog kev tiv thaiv cathodic photoelectrochemical ntawm semiconductor nyias zaj duab xis rau cov hlau. Bu, YY & Ao, JP Обзор фотоэлектрохимической катодной защиты тонких полупроводниковых пленок для металлов. Bu, YY & Ao, JP Kev Tshuaj Xyuas Txog Photoelectrochemical Cathodic Protection ntawm Semiconductor Thin Films rau Cov Hlau. Bu, YY & Ao, JP 金属光电化学阴极保护半导体薄膜综述. Bu, YY & Ao, JP metallization 光电视光阴极电影电影电影电视设计. Bu, YY & Ao, JP Обзор металлической фотоэлектрохимической катодной защиты тонких полупроводниковых пленок. Bu, YY & Ao, JP Kev tshuaj xyuas ntawm kev tiv thaiv cathodic ntawm cov yeeb yaj kiab semiconductor nyias.Ib puag ncig lub zog ntsuab. 2, 331–362 (2017).