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A facile strategy for realizing room temperature phosphorescence and single molecule white light emission

Author

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  • Jianguo Wang

    (The Hong Kong University of Science and Technology, Clear Water Bay
    Gannan Normal University)

  • Xinggui Gu

    (The Hong Kong University of Science and Technology, Clear Water Bay
    Beijing University of Chemical Technology)

  • Huili Ma

    (Tsinghua University)

  • Qian Peng

    (Chinese Academy of Sciences)

  • Xiaobo Huang

    (Wenzhou University)

  • Xiaoyan Zheng

    (The Hong Kong University of Science and Technology, Clear Water Bay)

  • Simon H. P. Sung

    (The Hong Kong University of Science and Technology, Clear Water Bay)

  • Guogang Shan

    (The Hong Kong University of Science and Technology, Clear Water Bay)

  • Jacky W. Y. Lam

    (The Hong Kong University of Science and Technology, Clear Water Bay)

  • Zhigang Shuai

    (Tsinghua University)

  • Ben Zhong Tang

    (The Hong Kong University of Science and Technology, Clear Water Bay
    South China University of Technology
    HKUST-Shenzhen Research Institute, No. 9 Yuexing 1st RD, South Area, Hi-tech Park, Nanshan)

Abstract

Research on materials with pure organic room temperature phosphorescence (RTP) and their application as organic single-molecule white light emitters is a hot area and relies on the design of highly efficient pure organic RTP luminogens. Herein, a facile strategy of heavy-atom-participated anion–π+ interactions is proposed to construct RTP-active organic salt compounds (1,2,3,4-tetraphenyloxazoliums with different counterions). Those compounds with heavy-atom counterions (bromide and iodide ions) exhibit outstanding RTP due to the external heavy atom effect via anion–π+ interactions, evidently supported by the single-crystal X-ray diffraction analysis and theoretical calculation. Their single-molecule white light emission is realized by tuning the degree of crystallization. Such white light emission also performs well in polymer matrices and their use in 3D printing is demonstrated by white light lampshades.

Suggested Citation

  • Jianguo Wang & Xinggui Gu & Huili Ma & Qian Peng & Xiaobo Huang & Xiaoyan Zheng & Simon H. P. Sung & Guogang Shan & Jacky W. Y. Lam & Zhigang Shuai & Ben Zhong Tang, 2018. "A facile strategy for realizing room temperature phosphorescence and single molecule white light emission," Nature Communications, Nature, vol. 9(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-05298-y
    DOI: 10.1038/s41467-018-05298-y
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    Cited by:

    1. Rongjuan Huang & Yunfei He & Juan Wang & Jindou Zou & Hailan Wang & Haodong Sun & Yuxin Xiao & Dexin Zheng & Jiani Ma & Tao Yu & Wei Huang, 2024. "Tunable afterglow for mechanical self-monitoring 3D printing structures," Nature Communications, Nature, vol. 15(1), pages 1-11, December.
    2. Xiaokang Yao & Huili Ma & Xiao Wang & He Wang & Qian Wang & Xin Zou & Zhicheng Song & Wenyong Jia & Yuxin Li & Yufeng Mao & Manjeet Singh & Wenpeng Ye & Jian Liang & Yanyun Zhang & Zhuang Liu & Yixiao, 2022. "Ultralong organic phosphorescence from isolated molecules with repulsive interactions for multifunctional applications," Nature Communications, Nature, vol. 13(1), pages 1-8, December.
    3. Kaijun Chen & Yongfeng Zhang & Yunxiang Lei & Wenbo Dai & Miaochang Liu & Zhengxu Cai & Huayue Wu & Xiaobo Huang & Xiang Ma, 2024. "Twofold rigidity activates ultralong organic high-temperature phosphorescence," Nature Communications, Nature, vol. 15(1), pages 1-11, December.
    4. Hongda Guo & Mengnan Cao & Ruixia Liu & Bing Tian & Shouxin Liu & Jian Li & Shujun Li & Bernd Strehmel & Tony D. James & Zhijun Chen, 2024. "Photocured room temperature phosphorescent materials from lignosulfonate," Nature Communications, Nature, vol. 15(1), pages 1-8, December.
    5. Jingxuan You & Xin Zhang & Qinying Nan & Kunfeng Jin & Jinming Zhang & Yirong Wang & Chunchun Yin & Zhiyong Yang & Jun Zhang, 2023. "Aggregation-regulated room-temperature phosphorescence materials with multi-mode emission, adjustable excitation-dependence and visible-light excitation," Nature Communications, Nature, vol. 14(1), pages 1-10, December.

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