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Lighting Up Solid States Using a Rubber

Overview
Journal Nat Commun
Specialty Biology
Date 2021 Feb 11
PMID 33568677
Citations 3
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Abstract

It is crucial and desirable to develop green and high-efficient strategies to regulate solid-state structures and their related material properties. However, relative to solution, it is more difficult to break and generate chemical bonds in solid states. In this work, a rubbing-induced photoluminescence on the solid states of ortho-pyridinil phenol family was achieved. This rubbing response relied on an accurately designed topochemical tautomerism, where a negative charge, exactly provided by the triboelectric effect of a rubber, can induce a proton transfer in a double H-bonded dimeric structure. This process instantaneously led to a bright-form tautomer that can be stabilized in the solid-state settings, leading to an up to over 450-fold increase of the fluorescent quantum yield of the materials. The property can be repeatedly used due to the reversibility of the tautomerism, enabling encrypted applications. Moreover, a further modification to the structure can be accomplished to achieve different properties, opening up more possibilities for the design of new-generation smart materials.

Citing Articles

Designing High-Sensitivity Mechanochromic Luminescent Materials Through Friction-Induced Crystallization Strategy.

An Z, Dai Z, Liu J, Chen S, Wang X, Liu H Adv Sci (Weinh). 2024; 11(46):e2409974.

PMID: 39431466 PMC: 11633541. DOI: 10.1002/advs.202409974.


Combined Experimental and Theoretical Studies on the Rubbing-Induced Fluorescence Behavior of a Luminophore in the Solid State.

Mondal A, Mukhopadhyay S, Banerjee S, Ahmmed E, Hansda S, Chattopadhyay P ACS Omega. 2023; 8(1):373-379.

PMID: 36643439 PMC: 9835653. DOI: 10.1021/acsomega.2c04803.


Water molecular bridge-induced selective dual polarization in crystals for stable multi-emitters.

Xing Y, Li Z, Baryshnikov G, Shen S, Ye D, Agren H Chem Sci. 2022; 13(20):6067-6073.

PMID: 35685795 PMC: 9132028. DOI: 10.1039/d2sc00908k.

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