期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 60, 期 36, 页码 19735-19739出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.202108025
关键词
external heavy-atom effect; photophysics; polymers; room-temperature phosphorescence; supramolecular chemistry
资金
- NSFC [21788102, 2212500537, 22020102006, 21871083]
- Program of Shanghai Academic/Technology Research Leader [20XD1421300]
- Shu Guang project - Shanghai Municipal Education Commission [19SG26]
- Shu Guang project - Shanghai Education Development Foundation [19SG26]
- Innovation Program of Shanghai Municipal Education Commission [2017-01-07-00-02-E00010]
- Fundamental Research Funds for the Central Universities
This study introduces a new general strategy for designing and developing pure organic RTP materials starting from an existing library of organic dyes without the need for complicated chemical synthesis.
Pure organic room-temperature phosphorescence (RTP) materials have attracted wide attention for their easy preparation, low toxicity, and applications in various fields like bioimaging and anti-counterfeiting. Developing phosphorescent systems with more universality and less difficulty in synthesis has long been the pursuit of materials scientists. By employing a polymeric quaternary ammonium salt with an ionic bonding matrix and heavy atoms, commercial fluorescent dyes are directly endowed with phosphorescence emission. In a single amorphous polymer, the external heavy-atom effect generates excited triplet states and the rigid polymer matrix stabilizes them. This study put forward a new general strategy to design and develop pure organic RTP materials starting from existing library of organic dyes without complicated chemical synthesis.
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