Direct Z-scheme CdO-CdS nanorod arrays photoanode: Synthesis, characterization and photoelectrochemical performance
- 影响因子：1.114
- DOI码：10.1063/1674-0068/cjcp1905090
- 发表刊物：Chin. J. Chem. Phys.
- 关键字：Catalysts and Catalysis
Chemical synthesis
Calcination
Nanorods
Photoconductivity
- 摘要：Direct Z-scheme CdO-CdS 1-dimensional nanorod arrays were constructed through a facile and simple hydrothermal process. The structure, morphology, photoelectrochemical properties and H2 evolution activity of this catalyst were investigated systematically. The morphology of the obtained nanorod is a regular hexagonal prism with 100-200 nm in diameter. The calcination temperature and time were optimized carefully to achieve the highest photoelectrochemical performance. The as-fabricated hybrid system achieved a photocurrent density up to 6.5 mA/cm2 and H2 evolution rate of 240 µmol·cm−2·h−1 at 0 V vs. Ag/AgCl, which is about 2-fold higher than that of the bare CdS nanorod arrays. The PEC performance exceeds those previously reported similar systems. A direct Z-scheme photocatalytic mechanism was proposed based on the structure and photoelectrochemical performance characterization results, which can well explain the high separation efficiency of photoinduced carriers and the excellent redox ability.
- 合写作者：Zhi-min Song, Jing-jing Dong, Zhi-yu Wang, Yue Yang, Xiao-di Zhu, Song Sun
- 第一作者：Yi Fan
- 通讯作者：Chen Gao,Jun Bao
- 卷号：32
- 期号：6
- 页面范围：715-720
- ISSN号：1674-0068
- 是否译文：否
- 发表时间：2020/01/07
- 发布期刊链接：https://doi.org/10.1063/1674-0068/cjcp1905090
