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Watching Single Gold Nanorods Grow

Authors

  • Zhongqing Wei,

    Corresponding author
    1. CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, The Chinese Academy of Sciences, 19B Yuquan Road, Beijing 100049, China
    Current affiliation:
    1. Z.W. and H.Q. contributed equally to this work.
    • CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, The Chinese Academy of Sciences, 19B Yuquan Road, Beijing 100049, China.
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  • Hua Qi,

    1. Technical Institute of Physics and Chemistry, The Chinese Academy of Sciences, 29B Zhongguancun East Road, Beijing 100190, China
    Current affiliation:
    1. Z.W. and H.Q. contributed equally to this work.
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  • Min Li,

    1. CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, The Chinese Academy of Sciences, 19B Yuquan Road, Beijing 100049, China
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  • Bochong Tang,

    1. CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, The Chinese Academy of Sciences, 19B Yuquan Road, Beijing 100049, China
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  • Zhengzheng Zhang,

    1. CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, The Chinese Academy of Sciences, 19B Yuquan Road, Beijing 100049, China
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  • Ruiling Han,

    1. CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, The Chinese Academy of Sciences, 19B Yuquan Road, Beijing 100049, China
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  • Jiaojiao Wang,

    1. CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, The Chinese Academy of Sciences, 19B Yuquan Road, Beijing 100049, China
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  • Yuliang Zhao

    1. CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, Institute of High Energy Physics, The Chinese Academy of Sciences, 19B Yuquan Road, Beijing 100049, China
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Abstract

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The consecutive evolution process of single gold nanorods is monitored using atomic force microscopy (AFM). The single-crystal gold nanorods investigated are grown directly on surfaces to which gold seed particles are covalently linked. The growth kinetics for single nanorods is derived from the 3D information recorded by AFM. A better understanding of the seed-mediated growth mechanism may ultimately lead to the direct growth of aligned nanorods on surfaces.

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