NiOx-Fe2O3-coated p-Si photocathodes for enhanced solar water splitting in neutral pH water

Alireza Kargar; Justin S. Cheung; Chin-Hung Liu; Tae Kyoung Kim; Conor T. Riley; Shaohua Shen; Zhaowei Liu; Donald J. Sirbuly; Deli Wang; Sungho Jin

doi:10.1039/C4NR07074G

NiO_x-Fe₂O₃-coated p-Si photocathodes for enhanced solar water splitting in neutral pH water†

Alireza Kargar,^a Justin S. Cheung,^a Chin-Hung Liu,^bc Tae Kyoung Kim,^bc Conor T. Riley,^d Shaohua Shen,^e Zhaowei Liu,^a Donald J. Sirbuly,^d Deli Wang^abf and Sungho Jin*^bc

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* Corresponding authors

^a Department of Electrical and Computer Engineering, University of California-San Diego, La Jolla, California 92093, USA

^b Materials Science and Engineering Program, University of California-San Diego, La Jolla, California 92093, USA
E-mail: jin@ucsd.edu
Fax: +1 858 5345698
Tel: +1 858 5344903

^c Department of Mechanical and Aerospace Engineering, University of California-San Diego, La Jolla, California 92093, USA

^d Department of Nanoengineering, University of California-San Diego, La Jolla, California 92093, USA

^e State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China

^f Qualcomm Institute (QI), University of California-San Diego, La Jolla, California 92093, USA

Abstract

We report successful growth of a uniform and scalable nanocomposite film of Fe₂O₃ nanorods (NRs) and NiO_x nanoparticles (NPs), their properties and application for enhanced solar water reduction in neutral pH water on the surface of p-Si photocathodes.

Nanoscale

NiO_x-Fe₂O₃-coated p-Si photocathodes for enhanced solar water splitting in neutral pH water†

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NiO_x-Fe₂O₃-coated p-Si photocathodes for enhanced solar water splitting in neutral pH water

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