On-demand modulating afterglow color of water-soluble polymers through phosphorescence FRET for multicolor security printing

Hao Peng, Gaozhan Xie, Yang Cao, Longyan Zhang, Xi Yan, Xiao Zhang, Shihao Miao, Ye Tao, Huanhuan Li, Chao Zheng, Wei Huang, Runfeng Chen

科研成果: 期刊稿件文章同行评审

192 引用 (Scopus)

摘要

Developing full-color organic ultralong room temperature phosphorescence (OURTP) materials with continuously variable afterglow emission is of considerable practical importance in diverse optoelectronic applications but remains a formidable challenge. Here, we present an effective strategy for on-demand engineering of afterglow color in water-soluble polymeric systems via efficient phosphorescence Förster resonance energy transfer. Using a blue afterglow emitting water-soluble polymer as host and a series of fluorescent emitters with varied emissive colors as guests, afterglow emission is rationally modulated, conferring the full-color afterglow emission ranging from blue to red and even white with ultralong lifetimes up to 4.2 s and photoluminescence quantum yields of 36%.These water-soluble multicolor-emitting polymeric afterglow systems can function as OURTP security inks, and multilevel information encryption was successfully established by RGB-based multicolor security printing. These results present important guidance in developing high-performance afterglow polymers with on-demand color tuning ability for remarkable optoelectronic applications.

源语言英语
文章编号eabk2925
期刊Science Advances
8
15
DOI
出版状态已出版 - 4月 2022

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