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Nitrogen ion irradiation effect on enhancing photocatalytic performance of CdTe/ZnO heterostructures

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Abstract

To deal with the increasingly deteriorating environment problems, more and more harsh requirements are put forward for photocatalysis application. Building semiconductor heterostructures has been proven to be an efficient way to enhance photocatalytic performance. A kind of CdTe/ZnO heterostructures were synthesized by a hydrothermal and successive ionic layer absorption and reaction (SILAR) method and achieved obviously efficient photocatalytic performance. Moreover, after the N ion irradiation treatment, the photocatalytic activity was further enhanced, which can be ascribed to the introduction of oxygen vacancy defects. The photocatalytic performance enhancement mechanism by coupling constructing heterostructures and ion irradiation are further studied to give us an overall understanding on ZnO nanowires.

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Acknowledgements

The authors gratefully acknowledge the financial support of the National Natural Science Foundation of China (Grant No. 61176003).

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Authors and Affiliations

  1. State Key Lab of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, China

    Yazi Wang, Wei Li, Yimeng Feng, Shasha Lv & Mingyang Li

  2. Key Lab of Advanced Materials (MOE), School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, China

    Zhengcao Li

  3. Department of Engineering Physics, Tsinghua University, Beijing, 100084, China

    Mingyang Li

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  1. Yazi Wang
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  2. Wei Li
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  3. Yimeng Feng
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  5. Mingyang Li
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  6. Zhengcao Li
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Correspondence to Zhengcao Li.

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Wang, Y., Li, W., Feng, Y. et al. Nitrogen ion irradiation effect on enhancing photocatalytic performance of CdTe/ZnO heterostructures. Front. Mater. Sci. 12, 392–404 (2018). https://doi.org/10.1007/s11706-018-0438-8

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  • DOI: https://doi.org/10.1007/s11706-018-0438-8

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