Journal
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Volume 38, Issue 34, Pages 14433-14439Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2013.08.095
Keywords
GaN; Hydrogen generation; Water splitting; Stability; Sea water
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A significant improvement in the stability of high-quality GaN films, for photoelectro chemical hydrogen generation, has been demonstrated using near neutral NaCl(aq) electrolyte instead of conventional acidic HCl(aq). The experimental results conclude that the as-grown surface oxide passivates the surface from corrosion and, therefore, leads to a higher photocurrent. Our result paves the way for the future development of stable hydrogen generation with abundant sea water and high-efficiency III-V compound semiconductors. Copyright (C) 2013, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
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