Synthesis and photoelectrochemical behavior of nanocrystalline CdS film electrodes

被引：56

作者：

Jia, Huimin

Hu, Yan

Tang, Yiwen

Zhang, Lizhi ^{[1
]}

机构：

[1] Cent China Normal Univ, Coll Chem, Minist Educ, Key Lab Pesticide & Chem Biol, Wuhan 430079, Peoples R China

[2] Cent China Normal Univ, Inst Nansci & Technol, Wuhan 430079, Peoples R China

来源：

ELECTROCHEMISTRY COMMUNICATIONS | 2006年 / 8卷 / 08期

基金：

中国国家自然科学基金;

关键词：

CdS; doctor-blade; hydrothermal; nanoparticles; photoelectrochemical property;

D O I：

10.1016/j.elecom.2006.06.025

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

In this paper, we prepared the nanocrystalline US films on the indium-doped tin oxide (ITO) glass substrates using a doctor-blade technique. The source US powder was first prepared by a hydrothermal method and then ground into a screen-printing paste by adding ethyl cellulose as a binder and terpineol as a solvent. The CdS samples were characterized by XRD, SEM, TEM, and UV-Vis diffuse reflectance spectroscopy. A photocurrent of 3.51 mA/cm, a fill factor of 0.44, an open circuit photovoltage of 0.50 V, and a conversion efficiency of 2.2% were obtained under a simulated solar illumination of 35 mW/cm(2), when the CdS film was annealed at 380 degrees C in air for 30 min. The maximum quantum efficiency of 5.5% was obtained at an incident wavelength of 500 nm. Our method provides a general way to prepare electrodes of metal chalcogenide nanocrystalline films. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：1381 / 1385

页数：5

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