期刊
CHINESE CHEMICAL LETTERS
卷 27, 期 8, 页码 1231-1240出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.cclet.2016.06.029
关键词
Room-temperature phosphorescence; Purely organic material; Intersystem crossing; Non-radiation transition
资金
- National Basic Research Program of China [2014CB643802]
- Ministry of Science and Technology [2016YFB0401001]
- State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals
Room-temperature phosphorescence (RTP) materials have attracted great attention due to their involvement of excited triplet states and comparatively long decay lifetimes. In this short review, recent progress on enhancement of RTP from purely organic materials is summarized. According to the mechanism of phosphorescence emission, two principles are discussed to construct efficient RTP materials: one is promoting intersystem crossing (ISC) efficiency by using aromatic carbonyl, heavy atom, or/and heterocycle/heteroatom containing compounds; the other is suppressing intramolecular motion and intermolecular collision which can quench excited triplet states, including embedding phosphors into polymers and packing them tightly in crystals. With aforementioned strategies, RTP from purely organic materials was achieved both in fluid and rigid media. (C) 2016 Chinese Chemical Society and Institute of Materia Medica, Chinese Academy of Medical Sciences. Published by Elsevier B.V. All rights reserved.
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