Volume 52, Issue 42 pp. 11016-11020
Communication

A Co-catalyst-Loaded Ta3N5 Photoanode with a High Solar Photocurrent for Water Splitting upon Facile Removal of the Surface Layer

Mingxue Li

Mingxue Li

Ecomaterials and Renewable Energy Research Center, National Laboratory of Solid State Microstructures, Department of Physics, Nanjing University, Nanjing 210093 (P. R. China)

These authors contributed equally to this work.

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Dr. Wenjun Luo

Corresponding Author

Dr. Wenjun Luo

Ecomaterials and Renewable Energy Research Center, National Laboratory of Solid State Microstructures, Department of Physics, Nanjing University, Nanjing 210093 (P. R. China)

These authors contributed equally to this work.

Ecomaterials and Renewable Energy Research Center, National Laboratory of Solid State Microstructures, Department of Physics, Nanjing University, Nanjing 210093 (P. R. China)Search for more papers by this author
Dapeng Cao

Dapeng Cao

College of Engineering and Applied Science, Nanjing University, Nanjing 210093 (P. R. China)

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Xin Zhao

Xin Zhao

Ecomaterials and Renewable Energy Research Center, National Laboratory of Solid State Microstructures, Department of Physics, Nanjing University, Nanjing 210093 (P. R. China)

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Prof. Zhaosheng Li

Prof. Zhaosheng Li

College of Engineering and Applied Science, Nanjing University, Nanjing 210093 (P. R. China)

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Prof. Tao Yu

Prof. Tao Yu

Ecomaterials and Renewable Energy Research Center, National Laboratory of Solid State Microstructures, Department of Physics, Nanjing University, Nanjing 210093 (P. R. China)

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Prof. Zhigang Zou

Corresponding Author

Prof. Zhigang Zou

Ecomaterials and Renewable Energy Research Center, National Laboratory of Solid State Microstructures, Department of Physics, Nanjing University, Nanjing 210093 (P. R. China)

Ecomaterials and Renewable Energy Research Center, National Laboratory of Solid State Microstructures, Department of Physics, Nanjing University, Nanjing 210093 (P. R. China)Search for more papers by this author
First published: 14 August 2013
Citations: 219

This work is supported by the National Basic Research Program of China (973 Program, 2013CB632404) and the National Natural Science Foundation of China (No. 50902068, 51272101, 11174129). M. Li. is also supported by the Science Research Foundation of Graduate School of Nanjing University. We thank Mr. Robert Rozansky of Brown University for his editing of English.

Graphical Abstract

Surface exfoliation: A Ta3N5 photoanode prepared by a thermal oxidation and nitridation method shows a high solar photocurrent. This photocurrent is currently the highest achieved by a Ta3N5 photoanode. The photocurrent is obtained mainly because of facile thermal and mechanical exfoliation of the surface passivation layer of the Ta3N5 photoanode (see picture).

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