Spatially controllable plasmon enhanced water splitting photocurrent in Au/TiO2-Fe2O3 cocatalyst system

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Title:	Spatially controllable plasmon enhanced water splitting photocurrent in Au/TiO2-Fe2O3 cocatalyst system
Authors:	洪緯璿;Hung, Wei-Hsuan;Chien, Tzu-Ming;Lo, An-Ya;Tseng, Chuan-Ming;Li, Dongdong
Contributors:	工學院材料科學與工程研究所
Date:	2014-01-01
Issue Date:	2026-04-23 11:45:02 (UTC+8)
Publisher:	Royal Society of Chemistry
Abstract:	摘要： Photocatalytic water splitting has been improved in this work by exploiting a Au/TiO 2 -Fe 2 O 3 plasmonic cocatalyst system. A 5-fold improvement of water splitting photocurrent was observed in the Au/TiO 2 -Fe 2 O 3 photoelectrode compared to that of iron oxide only. In order to investigate the enhanced mechanism of this plasmonic cocatalyst system, different plasmonic photoelectrodes were systematically examined under different visible light lasers. The crystallography of the TiO 2 -Fe 2 O 3 cocatalyst was characterized by high-resolution transmission electron microscopy (HRTEM) and X-ray diffractometer (XRD). UV-visible spectroscopy (UV-vis) was employed to determine the plasmon enhanced absorption of photoelectrodes. In addition, a spatially controllable plasmon enhanced water splitting photocurrent was demonstrated in this study. 5-fold improvement of water splitting photocurrent was observed in the Au/TiO 2 -Fe 2 O 3 plasmonic cocatalyst photoelectrode compared to iron oxide only. 出版日期： 2014-09-23 資源來源： Royal Society of Chemistry 識別號： EISSN: 2046-2069 識別號： DOI: 10.1039/c4ra05143b
Appears in Collections:	[Institute of Materials Science and Engineering] journal & Dissertation

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