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Distance makes a difference in crystalline photoluminescence

Author

Listed:
  • Zibao Gan

    (Chinese Academy of Sciences
    Anhui University)

  • Yungui Liu

    (China University of Geosciences)

  • Lin Wang

    (Center for High Pressure Science and Technology Advanced Research
    Yanshan University, Qinhuangdao)

  • Shuqing Jiang

    (Chinese Academy of Sciences)

  • Nan Xia

    (Chinese Academy of Sciences
    Anhui University)

  • Zhipeng Yan

    (Center for High Pressure Science and Technology Advanced Research)

  • Xiang Wu

    (China University of Geosciences)

  • Junran Zhang

    (Chinese Academy of Sciences
    China University of Chinese Academy of Sciences)

  • Wanmiao Gu

    (Chinese Academy of Sciences
    Anhui University)

  • Lizhong He

    (Chinese Academy of Sciences
    Anhui University)

  • Jingwu Dong

    (Chinese Academy of Sciences
    Anhui University)

  • Xuedan Ma

    (Argonne National Laboratory)

  • Jaeyong Kim

    (Hanyang University)

  • Zhongyan Wu

    (Center for High Pressure Science and Technology Advanced Research)

  • Yixuan Xu

    (Chinese Academy of Sciences
    China University of Chinese Academy of Sciences)

  • Yanchun Li

    (Chinese Academy of Sciences)

  • Zhikun Wu

    (Chinese Academy of Sciences
    Anhui University)

Abstract

Crystallization-induced photoluminescence weakening was recently revealed in ultrasmall metal nanoparticles. However, the fundamentals of the phenomenon are not understood yet. By obtaining conformational isomer crystals of gold nanoclusters, we investigate crystallization-induced photoluminescence weakening and reveal that the shortening of interparticle distance decreases photoluminescence, which is further supported by high-pressure photoluminescence experiments. To interpret this, we propose a distance-dependent non-radiative transfer model of excitation electrons and support it with additional theoretical and experimental results. This model can also explain both aggregation-induced quenching and aggregation-induced emission phenomena. This work improves our understanding of aggregated-state photoluminescence, contributes to the concept of conformational isomerism in nanoclusters, and demonstrates the utility of high pressure studies in nanochemistry.

Suggested Citation

  • Zibao Gan & Yungui Liu & Lin Wang & Shuqing Jiang & Nan Xia & Zhipeng Yan & Xiang Wu & Junran Zhang & Wanmiao Gu & Lizhong He & Jingwu Dong & Xuedan Ma & Jaeyong Kim & Zhongyan Wu & Yixuan Xu & Yanchu, 2020. "Distance makes a difference in crystalline photoluminescence," Nature Communications, Nature, vol. 11(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-020-19377-6
    DOI: 10.1038/s41467-020-19377-6
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    Cited by:

    1. Xiaoning Wang & Lianming Zhao & Xuejin Li & Yong Liu & Yesheng Wang & Qiaofeng Yao & Jianping Xie & Qingzhong Xue & Zifeng Yan & Xun Yuan & Wei Xing, 2022. "Atomic-precision Pt6 nanoclusters for enhanced hydrogen electro-oxidation," Nature Communications, Nature, vol. 13(1), pages 1-10, December.

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