Chemistry

Photo-triggered full-color circularly polarized luminescence based on photonic capsules for multilevel information encryption

S. Lin, Y. Tang, et al.

Discover groundbreaking device-friendly solid films with remarkable color tunability, crafted through Förster resonance energy transfer (FRET) within liquid crystal photonic capsules. These innovative capsules boast photoswitchable circularly polarized luminescence, enabling multilevel data encryption—research conducted by Siyang Lin, Yuqi Tang, Wenxin Kang, Hari Krishna Bisoyi, Jinbao Guo, and Quan Li.

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Abstract

This work demonstrates device-friendly solid films with color tunability prepared by constructing Förster resonance energy transfer (FRET) platforms within liquid crystal photonic capsules (LCPCs). These LCPCs exhibit photoswitchable circularly polarized luminescence (CPL) from blue to RGB, showcasing strong time dependence due to varying FRET efficiencies. This phototunable CPL and time response are leveraged for multilevel data encryption.

Publisher

Nature Communications

Published On

May 25, 2023

Authors

Siyang Lin, Yuqi Tang, Wenxin Kang, Hari Krishna Bisoyi, Jinbao Guo, Quan Li

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