期刊
JOURNAL OF PHYSICS D-APPLIED PHYSICS
卷 43, 期 32, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0022-3727/43/32/325101
关键词
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资金
- World Premier International Research Center Initiative on Materials Nanoarchitectonics
- MEXT
- Japan Science and Technology Agency (JST)
Iron oxide photoelectrodes were prepared using pulsed laser deposition with hematite pellet as the target. The dependences of photocurrent density on post-annealing O-2 pressure, thickness, heating temperature and surface morphology were investigated in detail. The photoelectrode properties were characterized using Raman spectroscopy, XPS, UV-vis absorption spectroscopy, SEM, current density and photoelectrochemical measurements. The alpha-Fe2O3 thin film of thickness 70 nm prepared using the SiO2 sphere template method with post-annealing under an O-2 pressure of 160 Pa at 550 degrees C showed the highest photocurrent density (275 mu A cm(-2)) under AM1.5 solar simulated light irradiation.
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