Highly Elastic Organic Crystals for Flexible Optical Waveguides
Top Cited Papers
- 10 June 2018
- journal article
- research article
- Published by Wiley in Angewandte Chemie International Edition
- Vol. 57 (28) , 8448-8452
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.Keywords
Funding Information
- National Natural Science Foundation of China (51622304 51773077, 51603082 51773079)
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