Electrochemically synthesized CdS nanoparticle-modified TiO2 nanotube-array photoelectrodes:: Preparation, characterization, and application to photoelectrochemical cells

被引：207
|
作者：
Chen, SG
Paulose, M
Ruan, C
Mor, GK
Varghese, OK
Kouzoudis, D
Grimes, CA [1 ]
机构：
[1] Penn State Univ, Dept Elect Engn, Dept Mat Sci & Engn, Inst Mat Res, University Pk, PA 16802 USA
[2] Univ Patras, Dept Engn Sci, Patras 26504, Greece
来源：
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY | 2006年 / 177卷 / 2-3期
关键词：
CdS nanoparticle; TiO2; nanotube-array; photoelectrochemical; photoelectrode;
D O I：
10.1016/j.jphotochem.2005.05.023
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A novel electrodeposited CDs nanoparticle-modified highly-ordered TiO2, nanotube-array photoelectrode and its application to photoelectrochemical cells is reported. Results show formation of a thin, nanoparticulate Us layer, comprised of sphere-like 10-20 nm diameter nanoparticles, on the anodic synthesized TiO2 nanotube-array (inner diameter of 70 nm, wall thickness 25 mn and ca. 400 nm length) electrode. The resulting CdS-TiO2 photoelectrode has an as-fabricated bandgap of 2.53, and 2.41 eV bandgap after sintering at 350 degrees C in N-2 ambient. Photoelectrochemical properties are described in detail. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：177 / 184
页数：8
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