Multifunctional elastic benzoxazole derivative crystals for advanced optoelectronic applications

作     者：Jiang Peng Yuanyuan Liu Jing Yang Zirun Chen Kai Wang Aisen Li 彭江;刘源远;杨婧;陈姿润;王凯;李爱森

作者机构：Key Laboratory of Magnetic Molecules and Magnetic Information Materials of Ministry of Education&School of Chemistry and Materials ScienceShanxi Normal UniversityTaiyuan 030032China School of Physical Science and Information TechnologyLiaocheng UniversityLiaocheng 252059China 

出 版 物：《Science China Materials》 (中国科学(材料科学)(英文版))

年 卷 期：2025年第68卷第1期

页      面：141-148页

核心收录：

学科分类：081704[工学-应用化学] 07[理学] 08[工学] 0817[工学-化学工程与技术] 070303[理学-有机化学] 0703[理学-化学] 

基　　金：supported by Shanxi Province Science Foundation for Youth (20210302124468) National Natural Science Foundation of China (22205157) 

主　　题：optical waveguide fluorescence emission piezochromic elasticity high pressure 

摘      要：We report a novel benzoxazole derivative,1,4-bis(benzo[d]oxazol-2-yl)naphthalene(BBON),exhibiting exceptional multifunctional properties for advanced optoelectronic *** crystals demonstrate remarkable multidirectional bending and twisting at room temperature and retain elasticity under extreme conditions,such as exposure to liquid nitrogen,showcasing their *** crystals can be crafted into complex mesh and lantern shapes,highlighting their versatility for flexible and wearable *** high pressure,BBON exhibits significant piezochromic shifts,with the emission wavelength shifting from 477 to 545 nm upon pressure *** crystals,with a high quantum yield of 72.26%,exhibit excellent optical waveguide performance:0.38 dB/cm when straight and 0.56 dB/cm when *** properties make them ideal for smart sensors and flexible electronic ***-crystal analyses reveal that molecular stacking and intermolecular interactions are crucial to their elastic and piezochromic properties,providing insights for the design of future responsive materials.