Issue 5, 2002
From the journal:

Journal of Materials Chemistry

Shu-ming Yang,a   Chun-hui Huang,*a   Jin Zhai,b   Zhong-sheng Wanga  and  Lei Jiangb  

* Corresponding authors

a State Key Laboratory of Rare Earth materials Chemistry and Applicatons, Peking University–The University of Hong Kong Joint Laboratory in Rare Earth Materials and Bio-inorganic Chemistry, Peking University, Beijing, PR China
E-mail: hch@chem.pku.edu.cn
Fax: +86-(10)62751708
Tel: +86-(10)62757156

b The Organic Solid Laboratory, Research Center of Molecular Science, Institute of Chemistry, The Chinese Academy of Science, Beijing, PR China

Abstract

Photoelectrochemical electrodes have been prepared by sequential deposition of quantum sized PbS, CdS and ZnS particles on TiO2 nanocrystalline films. Their photoelectrochemical properties have been studied in a two-electrode system which conforms more closely to practical conditions. The results show that the ternary sulfide PbS/CdS/ZnS co-sensitized TiO2 electrode generates incident photon-to-current conversion efficiency (IPCE) as high as nearly 100% under irradiation with 400 nm light; moreover its photostability is strongly improved, and this is the first report of this so far. The highest photoelectrical conversion efficiency is obtained for the TiO2/PbS/CdS/ZnS electrode, and is about twice as much as that of TiO2/PbS.

Graphical abstract: High photostability and quantum yield of nanoporous TiO2 thin film electrodes co-sensitized with capped sulfides

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Article information

DOI
https://doi.org/10.1039/B105796K
Article type
Paper
Submitted
03 Jul 2001
Accepted
14 Dec 2001
First published
11 Mar 2002

J. Mater. Chem., 2002,12, 1459-1464

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High photostability and quantum yield of nanoporous TiO2 thin film electrodes co-sensitized with capped sulfides

S. Yang, C. Huang, J. Zhai, Z. Wang and L. Jiang, J. Mater. Chem., 2002, 12, 1459 DOI: 10.1039/B105796K

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