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Lighting up solid states using a rubber

Chemistry

Lighting up solid states using a rubber

Z. Li, Y. Wang, et al.

This groundbreaking research showcases a remarkable phenomenon of rubbing-induced photoluminescence in ortho-pyridinil phenol solids, enhanced by a unique topochemical tautomerism. The team's innovative approach results in a significant boost in fluorescence, paving the way for encrypted applications in smart materials.

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Playback language: English
Abstract
This work demonstrates a rubbing-induced photoluminescence on solid states of ortho-pyridinil phenol family, relying on a topochemical tautomerism induced by a negative charge from a rubber's triboelectric effect. This induces proton transfer in a double H-bonded dimeric structure, leading to a bright-form tautomer with a >450-fold fluorescence quantum yield increase. The reversibility enables encrypted applications, and structural modifications offer further property adjustments for next-generation smart materials.
Publisher
Nature Communications
Published On
Feb 10, 2021
Authors
Zhongyu Li, Yanjie Wang, Gleb Baryshnikov, Shen Shen, Man Zhang, Qi Zou, Hans Ågren, Liangliang Zhu
Tags
photoluminescence
topochemical tautomerism
fluorescence quantum yield
smart materials
proton transfer
H-bonded dimer
triboelectric effect

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