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Electrically driven single-photon emission from an isolated single molecule

Author

Listed:
  • Li Zhang

    (University of Science and Technology of China)

  • Yun-Jie Yu

    (University of Science and Technology of China)

  • Liu-Guo Chen

    (University of Science and Technology of China)

  • Yang Luo

    (University of Science and Technology of China)

  • Ben Yang

    (University of Science and Technology of China)

  • Fan-Fang Kong

    (University of Science and Technology of China)

  • Gong Chen

    (University of Science and Technology of China)

  • Yang Zhang

    (University of Science and Technology of China)

  • Qiang Zhang

    (University of Science and Technology of China)

  • Yi Luo

    (University of Science and Technology of China)

  • Jin-Long Yang

    (University of Science and Technology of China)

  • Zhen-Chao Dong

    (University of Science and Technology of China)

  • J. G. Hou

    (University of Science and Technology of China)

Abstract

Electrically driven molecular light emitters are considered to be one of the promising candidates as single-photon sources. However, it is yet to be demonstrated that electrically driven single-photon emission can indeed be generated from an isolated single molecule notwithstanding fluorescence quenching and technical challenges. Here, we report such electrically driven single-photon emission from a well-defined single molecule located inside a precisely controlled nanocavity in a scanning tunneling microscope. The effective quenching suppression and nanocavity plasmonic enhancement allow us to achieve intense and stable single-molecule electroluminescence. Second-order photon correlation measurements reveal an evident photon antibunching dip with the single-photon purity down to g (2)(0) = 0.09, unambiguously confirming the single-photon emission nature of the single-molecule electroluminescence. Furthermore, we demonstrate an ultrahigh-density array of identical single-photon emitters.

Suggested Citation

  • Li Zhang & Yun-Jie Yu & Liu-Guo Chen & Yang Luo & Ben Yang & Fan-Fang Kong & Gong Chen & Yang Zhang & Qiang Zhang & Yi Luo & Jin-Long Yang & Zhen-Chao Dong & J. G. Hou, 2017. "Electrically driven single-photon emission from an isolated single molecule," Nature Communications, Nature, vol. 8(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:8:y:2017:i:1:d:10.1038_s41467-017-00681-7
    DOI: 10.1038/s41467-017-00681-7
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    Cited by:

    1. Vibhuti Rai & Nico Balzer & Gabriel Derenbach & Christof Holzer & Marcel Mayor & Wulf Wulfhekel & Lukas Gerhard & Michal Valášek, 2023. "Hot luminescence from single-molecule chromophores electrically and mechanically self-decoupled by tripodal scaffolds," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    2. Jiří Doležal & Sofia Canola & Prokop Hapala & Rodrigo Cezar Campos Ferreira & Pablo Merino & Martin Švec, 2022. "Evidence of exciton-libron coupling in chirally adsorbed single molecules," Nature Communications, Nature, vol. 13(1), pages 1-8, December.
    3. Katharina Kaiser & Leonard-Alexander Lieske & Jascha Repp & Leo Gross, 2023. "Charge-state lifetimes of single molecules on few monolayers of NaCl," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    4. Yang Luo & Fan-Fang Kong & Xiao-Jun Tian & Yun-Jie Yu & Shi-Hao Jing & Chao Zhang & Gong Chen & Yang Zhang & Yao Zhang & Xiao-Guang Li & Zhen-Yu Zhang & Zhen-Chao Dong, 2024. "Anomalously bright single-molecule upconversion electroluminescence," Nature Communications, Nature, vol. 15(1), pages 1-8, December.

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