Premium
Activating Room‐Temperature Phosphorescence of Organic Luminophores via External Heavy‐Atom Effect and Rigidity of Ionic Polymer Matrix **
Author(s) -
Yan ZiAng,
Lin Xiaohan,
Sun Siyu,
Ma Xiang,
Tian He
Publication year - 2021
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.202108025
Subject(s) - phosphorescence , ionic bonding , polymer , materials science , excited state , amorphous solid , photochemistry , atom (system on chip) , salt (chemistry) , nanotechnology , chemical engineering , fluorescence , chemistry , ion , organic chemistry , atomic physics , physics , composite material , computer science , quantum mechanics , engineering , embedded system
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.