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Induction of long-lived room temperature phosphorescence of carbon dots by water in hydrogen-bonded matrices

Author

Listed:
  • Qijun Li

    (Tsinghua University)

  • Ming Zhou

    (Tsinghua University)

  • Mingyang Yang

    (Tsinghua University)

  • Qingfeng Yang

    (Tsinghua University)

  • Zhixun Zhang

    (Tsinghua University)

  • Jing Shi

    (Tsinghua University)

Abstract

Phosphorescence shows great potential for application in bioimaging and ion detection because of its long-lived luminescence and high signal-to-noise ratio, but establishing phosphorescence emission in aqueous environments remains a challenge. Herein, we present a general design strategy that effectively promotes phosphorescence by utilising water molecules to construct hydrogen-bonded networks between carbon dots (CDs) and cyanuric acid (CA). Interestingly, water molecules not only cause no phosphorescence quenching but also greatly enhance the phosphorescence emission. This enhancement behaviour can be explained by the fact that the highly ordered bound water on the CA particle surface can construct robust bridge-like hydrogen-bonded networks between the CDs and CA, which not only effectively rigidifies the C=O bonds of the CDs but also greatly enhances the rigidity of the entire system. In addition, the CD-CA suspension exhibits a high phosphorescence lifetime (687 ms) and is successfully applied in ion detection based on its visible phosphorescence.

Suggested Citation

  • Qijun Li & Ming Zhou & Mingyang Yang & Qingfeng Yang & Zhixun Zhang & Jing Shi, 2018. "Induction of long-lived room temperature phosphorescence of carbon dots by water in hydrogen-bonded matrices," Nature Communications, Nature, vol. 9(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-03144-9
    DOI: 10.1038/s41467-018-03144-9
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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. Wenqing Xu & Guanheng Huang & Zhan Yang & Ziqi Deng & Chen Zhou & Jian-An Li & Ming-De Li & Tao Hu & Ben Zhong Tang & David Lee Phillips, 2024. "Nucleic-acid-base photofunctional cocrystal for information security and antimicrobial applications," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
    3. 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.
    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. Guang Lu & Jing Tan & Hongxiang Wang & Yi Man & Shuo Chen & Jing Zhang & Chunbo Duan & Chunmiao Han & Hui Xu, 2024. "Delayed room temperature phosphorescence enabled by phosphines," Nature Communications, Nature, vol. 15(1), pages 1-8, December.
    6. Xing Wang Liu & Weijun Zhao & Yue Wu & Zhengong Meng & Zikai He & Xin Qi & Yiran Ren & Zhen-Qiang Yu & Ben Zhong Tang, 2022. "Photo-thermo-induced room-temperature phosphorescence through solid-state molecular motion," Nature Communications, Nature, vol. 13(1), pages 1-8, December.

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