影像科学与光化学 ›› 2015, Vol. 33 ›› Issue (6): 461-467.DOI: 10.7517/j.issn.1674-0475.2015.06.461

• 论文 • 上一篇    下一篇

光还原制备石墨烯-硫化钼RGO-MoSx产氢催化剂

王静1,2, 张慧慧1,2, 高雨季1,2, 叶晨1,2, 冯科1, 陈彬1, 张丽萍1, 佟振合1, 吴骊珠1   

  1. 1. 中国科学院 理化技术研究所 光化学转换与功能材料重点实验室, 北京 100190;
    2. 中国科学院大学, 北京 100049
  • 收稿日期:2015-06-01 修回日期:2015-07-03 出版日期:2015-11-16 发布日期:2015-11-16
  • 通讯作者: 冯科, 吴骊珠
  • 基金资助:

    国家自然科学基金项目(2014CB239402、2013CB834505、2013CB834804、91427303和21372232)资助

Preparation of Hybrid Hydrogen Evolution Catalyst RGO-MoSx by Photoreduction

WANG Jing1,2, ZHANG Huihui1,2, GAO Yuji1,2, YE Chen1,2, FENG Ke1, CHEN Bin1, ZHANG Liping1, TONG Zhenhe(TUNG Chenho)1, WU Lizhu1   

  1. 1. Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China;
    2. University of Chinese Academy of Sciences, Beijing 100049, P. R. China
  • Received:2015-06-01 Revised:2015-07-03 Online:2015-11-16 Published:2015-11-16

摘要:

本文以石墨烯氧化物(GO)和硫代钼酸铵((NH4)2MoS4)为前体,曙红(EY)和三乙醇胺(TEOA)为光敏单元和电子牺牲体,通过一种环境友好的光还原方法原位制备了石墨烯-硫化钼(RGO-MoSx)产氢催化剂。RGO-MoSx表现出高效的催化产氢活性,石墨烯的引入使其催化产氢效率提高至原来的2.10倍。通过傅里叶红外光谱(FTIR)、拉曼光谱(Raman)、透射电子显微镜(TEM)和X射线光电子能谱(XPS)表征,证实了RGO-MoSx的组成、结构及形貌特征。

关键词: RGO-MoSx, 原位光还原, 光催化产氢

Abstract:

Hybrid hydrogen evolution catalyst of RGO-MoSx was prepared by an in situ photoreduction method, in which GO (graphene oxide) and (NH4)2MoS4 (ammonium thiomolybdate) was employed as the precursor, Eosin Y (EY) as the photosensitizer, and TEOA (triethanolamine) as the sacrificial electron donor. 2.10 times' enhancement in photocatalytic hydrogen evolution was observed due to the introduction of GO. Raman spectra, FTIR spectra, TEM, SEM, and XPS were used to characterize the composition, structure and morphology of RGO-MoSx catalyst.

Key words: RGO-MoSx, in situ photoreduction, photocatalytic hydrogen evolution