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Tightened domain induced by the photo-polymerized polymers enhancing the room-temperature phosphorescence emission
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  • Cheng Yuan,
  • Sang Yup Lee,
  • Jingyuan Huang,
  • Yong Ho Cho,
  • Yujie Liu,
  • Dong June Ahn,
  • Chunzhi Cui
Cheng Yuan
Yanbian University
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Sang Yup Lee
Korea University
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Jingyuan Huang
Korea University - Seoul Campus
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Yong Ho Cho
Korea University
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Yujie Liu
Yanbian University
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Dong June Ahn
Korea University - Seoul Campus
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Chunzhi Cui
Yanbian University

Corresponding Author:[email protected]

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Abstract

Effectively enhancing the room temperature phosphorescence (RTP) emission of pure organic phosphors is the goal that scholars continue to pursue. In this study, as a novel strategy, diacetylene monomers were introduced into a pure organic molecule, 2-(9H-carbazol-9-yl) ethanol (CZEO). Upon UV-irradiation, the formed polydiacetylene (PDA) backbones caused a significant enhancement of the RTP emission. RTP emission was continuously enhanced with the time UV-irradiation. In addition, the synergistic enhancement with the help of halogen bonds was realized by introducing Br atoms into the CZEO unit.