Journal
APPLIED PHYSICS LETTERS
Volume 93, Issue 16, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3006332
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- NSF
- AFOSR
- Linda Whitacre and Edward Whitacre Endowed Chair positions
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We report on the growth and exploitation of InGaN epilayers as a photoelectrochemical cell (PEC) material for direct generation of hydrogen by splitting water using photoelectrochemical hydrolysis. Under white light illumination, a drastic dependence of the photocurrent density on the In content was observed. Direct hydrogen gas generation by splitting water was accomplished using an n-type InxGa1-xN epilayer with a relatively high In content (x similar to 0.4) as a working electrode. This demonstration of hydrogen generation by water splitting accomplished using InGaN based PEC is highly encouraging. (C) 2008 American Institute of Physics. [DOI: 10.1063/1.3006332]
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