Photoelectrochemical Behavior of CeO2-TiO2 Composite Nanocrystalline Porous Films

Chinese Journal of Applied Chemistry ›› 1998, Vol. 0 ›› Issue (4): 17-20.

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Photoelectrochemical Behavior of CeO₂-TiO₂ Composite Nanocrystalline Porous Films

Li Weihua, Hao Yanzhong, Wang Yanqin, Jiang Peng, Yang Maizhi, Cheng Humin, Cai Shengmin

COllege of Chemistry and MOlecular Engineeing, Peking University, Beliing 100871

Received:1998-03-02 Revised:1998-05-18 Published:1998-08-10 Online:1998-08-10

Abstract

Abstract: The CeO₂-TiO₂ composite nanocrystalline porous film electrodes prepared by solgel method have been investigated by XRD, AFM and photoelectrochemcal methods.Thetranspositions of p-- and n--type photoresponses were observed on the composite film electrodes for the first time.It could be due to the competition between CeO₂ and TiO₂ photoresponses.This result Aught have a potential application in smart window and solar energyconversion.

Key words: CeO₂-TiO₂ composite, nanocrystalline porous film electrode, photoelectrochemistry

Li Weihua, Hao Yanzhong, Wang Yanqin, Jiang Peng, Yang Maizhi, Cheng Humin, Cai Shengmin. Photoelectrochemical Behavior of CeO₂-TiO₂ Composite Nanocrystalline Porous Films[J]. Chinese Journal of Applied Chemistry, 1998, 0(4): 17-20.

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Photoelectrochemical Behavior of CeO₂-TiO₂ Composite Nanocrystalline Porous Films

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