A CdS-modified TiO2 nanocrystalline photoanode for efficient hydrogen generation by visible light

Ching Fa Chi, Yuh Lang Lee, Huang Shan Weng

研究成果: Article同行評審

83 引文 斯高帕斯(Scopus)

摘要

Cadmium sulfide (CdS) was in situ synthesized onto mesoporous TiO 2 films and used as a sensitizer to fabricate a photoelectrode for hydrogen generation in visible light. The incorporation of CdS extends the optical absorption threshold of a TiO2 electrode to visible light, enhancing the visible-light-induced photocurrent. A maximum photoconversion efficiency of 3.67% was achieved for this CdS-sensitized TiO2 electrode under visible light illumination of 100 mW cm-2. The hydrogen generation rate obtained at conditions of maximum efficiency is 95.5 μmol cm-2 h-1. To the best of our knowledge, the hydrogen generation rate is the highest among those reported for a photoelectrochemical cell under the illumination of visible light.

原文English
文章編號125704
期刊Nanotechnology
19
發行號12
DOIs
出版狀態Published - 2008 三月 26

All Science Journal Classification (ASJC) codes

  • 生物工程
  • 化學 (全部)
  • 材料科學(全部)
  • 材料力學
  • 機械工業
  • 電氣與電子工程

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