Hydrogen generation by solar water splitting using p-InGaN photoelectrochemical cells

被引:120
作者
Aryal, K. [1 ]
Pantha, B. N. [1 ]
Li, J. [1 ]
Lin, J. Y. [1 ]
Jiang, H. X. [1 ]
机构
[1] Texas Tech Univ, Dept Elect & Comp Engn, Lubbock, TX 79409 USA
基金
美国国家科学基金会;
关键词
current density; electrochemical electrodes; gallium compounds; hole mobility; hydrogen production; III-V semiconductors; indium compounds; photoconductivity; photoelectrochemical cells; wide band gap semiconductors; N-GAN; PHOTOELECTROLYSIS; ELECTROLYSIS; NITRIDE; ANODES; TIO2;
D O I
10.1063/1.3304786
中图分类号
O59 [应用物理学];
学科分类号
摘要
Photoelectrochemical effects in p-InxGa1-xN (0 < x < 0.22) alloys have been investigated. Hydrogen generation was observed in p-InGaN semiconducting electrodes under white light illumination with additional bias. It was found that p-InGaN alloys possess much higher conversion efficiencies than p-GaN. Time dependent photocurrent density characteristics showed that the stability of p-InGaN in aqueous HBr is excellent. The photocurrent density was found to increase almost linearly with hole mobility and excitation light intensity.
引用
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页数:3
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