Not in black or white, encryption of grayscale images by donor–acceptor Stenhouse adducts

Fanxi Sun; Ang Gao; Xiaoyu Xiong; Yongli Duan; Dacheng Dai; Yifei Zhu; Chaoming Xie; Qiang Wei; Longquan Chen; Bo He; Hui Zhao; Yonghao Zheng; Xu Deng; Chen Wei; Dongsheng Wang

doi:10.1039/D3CC04098D

Not in black or white, encryption of grayscale images by donor–acceptor Stenhouse adducts†

Fanxi Sun,

‡^ab Ang Gao,‡^ab Xiaoyu Xiong,‡^b Yongli Duan,^b Dacheng Dai,^b Yifei Zhu,^c Chaoming Xie,

^d Qiang Wei,

^e Longquan Chen,

^f Bo He,^g Hui Zhao,^h Yonghao Zheng,

^b Xu Deng,

ⁱ Chen Wei*^b and Dongsheng Wang

*^ab

Author affiliations

* Corresponding authors

^a Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, Huzhou 313001, China
E-mail: wangds@uestc.edu.cn

^b School of Optoelectronic Science and Technology, University of Electronic Science and Technology of China, Chengdu 610054, China

^c The Experimental High School Attached to UESTC, Chengdu 611730, China

^d College of Medicine, Southwest Jiaotong University, Chengdu 610031, China

^e College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, China

^f School of Physics, University of Electronic Science and Technology of China, Chengdu 610054, China

^g LONGi Green Energy Technology Co., Ltd, Xi’an 710016, China

^h School of Chemical Engineering, Sichuan University, Chengdu 610065, China

ⁱ Institute of Fundamental and Frontier Science, University of Electronic Science and Technology of China, Chengdu 610054, China

Abstract

Invisible inks have been applied for the secrecy of texts, symbols and binary images. Based on the photochromism of donor–acceptor Stenhouse adducts (DASAs) in the solid-state promoted by ester-containing molecules, we report the encryption of grayscale information by controlling the kinetics of photoisomerization.

This article is part of the themed collection: 2023 Emerging Investigators

Chemical Communications

Not in black or white, encryption of grayscale images by donor–acceptor Stenhouse adducts†

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Not in black or white, encryption of grayscale images by donor–acceptor Stenhouse adducts

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