Efficient and Color-Tunable Dual-Mode Afterglow from Large-Area and Flexible Polymer-Based Transparent Films for Anti-Counterfeiting and Information Encryption,Angewandte Chemie International Edition

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Efficient and Color-Tunable Dual-Mode Afterglow from Large-Area and Flexible Polymer-Based Transparent Films for Anti-Counterfeiting and Information Encryption
Angewandte Chemie International Edition ( IF 16.1 ) Pub Date : 2022-03-21 , DOI: 10.1002/anie.202201820
Yifan Yang ₁ , Yaohui Liang ₁ , Yitao Zheng ₁ , Jian-An Li ₁ , Shiying Wu ₁ , Huaqing Zhang ₁ , Tepeng Huang ₁ , Suilian Luo ₁ , Cong Liu ₁ , Guang Shi ₁ , Fengqiang Sun ₁ , Zhenguo Chi ₂ , Bingjia Xu ₁

Affiliation

Two indolocarbazole derivatives IaCzA and IbCzA have been synthesized and doped into poly(vinyl alcohol) (PVA) matrices. It is found that the resulting films simultaneously produce persistent thermally activated delayed fluorescence and ultralong organic phosphorescence, and their afterglow colors can be linearly tuned by temperature. Besides, the IbCzA-doped PVA film presents state-of-the-art dual-mode organic afterglow performance.

中文翻译：

用于防伪和信息加密的大面积柔性聚合物透明薄膜的高效和颜色可调双模余辉

已合成两种吲哚并咔唑衍生物 IaCzA 和 IbCzA，并将其掺杂到聚 (乙烯醇) (PVA) 基质中。发现所得薄膜同时产生持久的热激活延迟荧光和超长有机磷光，并且它们的余辉颜色可以随温度线性调节。此外，IbCzA 掺杂的 PVA 薄膜呈现出最先进的双模有机余辉性能。

更新日期：2022-03-21

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