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Novel Au/Cu2O Multi-shelled Porous heterostructures for enhanced efficiency photoelectrochemical water splitting

Abstract

In this paper, we report a novel Au/Cu2O Multi-Shelled Porous heterostructures (MSPHs). The results of photoelectrochemical (PEC) examination indicate that the photocurrent density of the as-prepared Au/Cu2O MSPHs electrode reaches 150 uA•cm-2, which is almost 7.5 times higher than that (20 uA•cm-2) of pure Cu2O MSP at a 0V bias potential versus Ag/AgCl. The enhanced PEC efficiency of the Au/MSPHs is ascribed to the Schokkty barrier at the Au-MSP NPs interface and the surface plasmon resonance (SPR) effect of Au. We also find that Au nanoparticles deposite on the surface of Cu2O MSP can effectively adjusted its band structure.

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Publication details

The article was received on 14 Mar 2017, accepted on 13 Jun 2017 and first published on 13 Jun 2017


Article type: Paper
DOI: 10.1039/C7TA02254A
Citation: J. Mater. Chem. A, 2017, Accepted Manuscript
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    Novel Au/Cu2O Multi-shelled Porous heterostructures for enhanced efficiency photoelectrochemical water splitting

    B. Wang, R. Li, Z. zhang, W. Zhang, X. Yan, X. Wu, G. Cheng and R. Zheng, J. Mater. Chem. A, 2017, Accepted Manuscript , DOI: 10.1039/C7TA02254A

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