This paper presents a design strategy to achieve color-tunable ultralong organic room temperature phosphorescence (UOP) in polymers through radical multi-component cross-linked copolymerization. By changing the excitation wavelength, these polymers exhibit multicolor luminescence (blue to yellow) with a long lifetime (1.2 s) and high phosphorescence quantum yield (37.5%). The polymers' color-tunable UOP property is applied in multilevel information encryption, showcasing potential for bio-labels and smart luminescent materials.
Publisher
Nature Communications
Published On
Feb 18, 2020
Authors
Long Gu, Hongwei Wu, Huili Ma, Wenpeng Ye, Wenyong Jia, He Wang, Hongzhong Chen, Nan Zhang, Dongdong Wang, Cheng Qian, Zhongfu An, Wei Huang, Yanli Zhao
Tags
phosphorescence
color-tunable
polymers
information encryption
organic materials
luminescence
cross-linked copolymerization
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