Photosensitization of Nanocrystalline TiO 2  Electrode Modified with C 60  Carboxylic Acid Derivatives | Zendy

Zhang Wen | Zendy; Shi YaRu | Zendy; Gan LiangBing | Zendy; Huang ChunHui | Zendy; Wang YanQin | Zendy; Cheng HuMin | Zendy

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Photosensitization of Nanocrystalline TiO 2 Electrode Modified with C 60 Carboxylic Acid Derivatives

Author(s) -

Zhang Wen,

Shi YaRu,

Gan LiangBing,

Huang ChunHui,

Wang YanQin,

Cheng HuMin

Publication year - 2001

Publication title -

chinese journal of chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.28

H-Index - 41

eISSN - 1614-7065

pISSN - 1001-604X

DOI - 10.1002/cjoc.20010190114

Subject(s) - photocurrent , nanocrystalline material , chemistry , carboxylic acid , electrode , photoelectric effect , photoelectrochemistry , electron transfer , adsorption , anode , photochemistry , electrochemistry , organic chemistry , crystallography , materials science , optoelectronics

C 60 carboxylic acid derivatives can be readily adsorbed on the surface of nanocrystalline TiO 2 film. The C 60 carboxylic acids adsorbed on nanocrystalline TiO 2 films act as charge‐transfer sensitizer. The electron transport from TiO 2 to the C 60 derivatives results in the generation of the cathodic photocurrent. The short‐circuit photocurrent of a C 60 tetracarboxylic acid is 0.45 μA/cm 2 under 464 nm light illumination. The photoelectric behaviour of ITO electrodes modified by the same C 60 carboxylic acids is different from that of the modified TiO 2 electrodes, and shows anodic photocurrent.

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