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Understanding the Atomic-scale Process of Catalytic Assembly of Si Nanowires through Al Injection

Authors

  • Jiaqing Wang,

    1. Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Renai Road 199, Suzhou, 215123 (P.R. China)
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  • Prof. Xinming Li,

    Corresponding author
    1. Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Renai Road 199, Suzhou, 215123 (P.R. China)
    • Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Renai Road 199, Suzhou, 215123 (P.R. China)
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  • Prof. Hongwei Gu

    Corresponding author
    1. Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Renai Road 199, Suzhou, 215123 (P.R. China)
    • Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Renai Road 199, Suzhou, 215123 (P.R. China)
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Abstract

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Don′t get your nanowires crossed: Aluminum, as an attractive catalyst, has exhibited an effective doping behavior during silicon nanowire growth, in which Al can not only ensure a novel and efficient route to adjust Si nanowire compositions, but also plays a critical role in shaping the structural morphologies of Si nanowires. The fundamental understanding of the catalytic processes is crucial to the development of advanced silicon nanowire-based devices.

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