Firefly-inspired bipolar information indication system actuated by white light

Author:

Huang HanwenORCID,Yin Jiamiao,Zhou Qianwen,Li Huateng,Yang Junying,Wang Yaoben,Xu MingORCID,Wang ChangchunORCID

Abstract

AbstractThe indication of information in materials is widely used in our daily life, and optical encoding materials are ideal for information loading due to their easily readable nature and adjustable optical properties. However, most of them could only indicate one type of information, either changing or unchanging due to the mutual interference. Inspired by firefly, we present a non-interfering bipolar information indication system capable of indicating both changing and unchanging information. A photochemical afterglow material is incorporated into the photonic crystal matrix through a high-throughput technique called shear-induced ordering technique, which can efficiently produce large-area photonic crystal films. The indication of changing and unchanging information is enabled by two different utilizations of white light by the afterglow material and photonic crystals, respectively, which overcome the limitations of mutual interference. As a proof of concept, this system is used to indicate the changing photodegradation level of mecobalamin (a photosensitive medicine) and unchanging intrinsic drug information with anti-counterfeiting functionality, which is a promising alternative to instantly ascertain the efficacy of medicine at home where conventional assays are impractical.

Funder

National Natural Science Foundation of China

Key research and development project of Guangdong Province

Publisher

Springer Science and Business Media LLC

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