Highly Elastic Organic Crystals for Flexible Optical Waveguides

Angewandte Chemie
Huapeng LiuHongyu Zhang

Abstract

The study of elastic organic single crystals (EOSCs) has emerged as a cutting-edge research of crystal engineering. Although a few EOSCs have been reported recently, those suitable for optical/optoelectronic applications have not been realized. Here, we report an elastic crystal of a Schiff base, (E)-1-(4-(dimethylamino)phenyl)iminomethyl-2-hydroxyl-naphthalene. The crystal is highly bendable under external stress and able to regain immediately its original straight shape when the stress is released. It displays bright orange-red emission with a high fluorescence quantum yield of 0.43. Intriguingly, it can serve as a low-loss optical waveguide even at the highly bent state. Our result highlights the feature and utility of "elasticity" of organic crystals.

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Citations

Feb 15, 2019·Angewandte Chemie·Patrick ComminsPanče Naumov
Nov 23, 2019·Chemical Communications : Chem Comm·Khushboo YadavaJagadese J Vittal
Sep 11, 2019·Beilstein Journal of Organic Chemistry·Meng-Di GuMei-Xiang Wang
Jan 14, 2020·Advanced Materials·Durga Prasad KarothuPanče Naumov
May 12, 2020·Angewandte Chemie·Mari AnnadhasanRajadurai Chandrasekar
Aug 25, 2020·Acta Crystallographica Section B, Structural Science, Crystal Engineering and Materials·Liangqian YuanFangfang Pan
Dec 15, 2019·Angewandte Chemie·Biswajit BhattacharyaFranziska Emmerling
Jun 20, 2020·ChemPlusChem·Sotaro KusumotoShinya Hayami
Jan 9, 2021·Inorganic Chemistry·Sotaro KusumotoShinya Hayami
Jul 23, 2021·Journal of the American Chemical Society·Deshuang TuBen Zhong Tang
Sep 11, 2019·Journal of the American Chemical Society·Jad Mahmoud HalabiPanče Naumov
Mar 12, 2019·The Journal of Physical Chemistry Letters·Bin LiuHongyu Zhang
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