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Title of article :
Preparation of Ti/SnO2–Sb2O4 photoanode by electrodeposition and dip coating for PEC oxidations Original Research Article
Author/Authors :
C.M. Fan، نويسنده , , B. Hua، نويسنده , , Y. Wang، نويسنده , , Z.H. Liang، نويسنده , , X.G. Hao، نويسنده , , S.B. Liu، نويسنده , , Y.P. Sun، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2009
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Abstract :
Thin films of antimony-doped SnO2 on titanium substrate with a doping range of 1.5–8 mol% were prepared by an electrodeposition and dip coating method. The prepared Ti/SnO2–Sb2O4 thin films were tested as a photoanode in the photoelectrocatalytic(PEC) experiments to degrade phenol in aqueous solution in order to evaluate their PEC performance. The photocatalytic (PC), electrocatalytic (EC) and PEC activity of Ti/SnO2–Sb2O4 thin films was compared in the degradation processes. And the effect of annealing temperature on their PEC activity was also investigated. The experimental results confirmed that the Sb-doped Ti/SnO2 thin films enhanced the phenol degradation and the Ti/SnO2–Sb2O4 film containing 6 mol% of Sb calcinated at 450 °C achieved the best performance for phenol degradation. The degradation experiments also demonstrated that the Ti/SnO2–Sb2O4 film achieved faster degradation of phenol in the PEC process than in the PC and EC processes. Compared with Ti/TiO2 and Ti/SnO2 photoanodes, the Ti/SnO2–Sb2O4 photoanode showed higher activity.
Keywords :
Antimony-doped SnO2 , Photoanode , Photoelectrocatalysis , Phenol
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