Multifunctional elastic benzoxazole derivative crystals for advanced optoelectronic applications

IF 6.8 2区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY Science China Materials Pub Date : 2024-11-07 DOI:10.1007/s40843-024-3140-4

Jiang Peng (, ), Yuanyuan Liu (, ), Jing Yang (, ), Zirun Chen (, ), Kai Wang (, ), Aisen Li (, )

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Abstract

We report a novel benzoxazole derivative, 1,4-bis(benzo[d]oxazol-2-yl)naphthalene (BBON), exhibiting exceptional multifunctional properties for advanced optoelectronic applications. BBON crystals demonstrate remarkable multidirectional bending and twisting at room temperature and retain elasticity under extreme conditions, such as exposure to liquid nitrogen, showcasing their durability. These crystals can be crafted into complex mesh and lantern shapes, highlighting their versatility for flexible and wearable technologies. Under high pressure, BBON exhibits significant piezochromic shifts, with the emission wavelength shifting from 477 to 545 nm upon pressure increase. BBON 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 bent. These properties make them ideal for smart sensors and flexible electronic devices. Single-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.

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先进光电应用的多功能弹性苯并恶唑衍生物晶体

我们报道了一种新的苯并恶唑衍生物，1,4-二（苯并[d]恶唑-2-基）萘（BBON），在先进的光电应用中表现出优异的多功能特性。BBON晶体在室温下表现出显著的多向弯曲和扭曲，并在极端条件下保持弹性，例如暴露在液氮中，展示了它们的耐久性。这些晶体可以制作成复杂的网格和灯笼形状，突出了它们的灵活性和可穿戴技术的多功能性。在高压下，BBON表现出明显的压致变色位移，随着压力的增加，发射波长从477 nm移动到545 nm。BBON晶体具有72.26%的高量子产率，具有优异的光波导性能：直波导为0.38 dB/cm，弯曲波导为0.56 dB/cm。这些特性使它们成为智能传感器和柔性电子设备的理想选择。单晶分析表明，分子堆叠和分子间相互作用对其弹性和压致变色性能至关重要，为未来响应材料的设计提供了见解。

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来源期刊

Science China Materials Materials Science-General Materials Science

CiteScore

11.40

自引率

7.40%

发文量

949

期刊介绍： Science China Materials (SCM) is a globally peer-reviewed journal that covers all facets of materials science. It is supervised by the Chinese Academy of Sciences and co-sponsored by the Chinese Academy of Sciences and the National Natural Science Foundation of China. The journal is jointly published monthly in both printed and electronic forms by Science China Press and Springer. The aim of SCM is to encourage communication of high-quality, innovative research results at the cutting-edge interface of materials science with chemistry, physics, biology, and engineering. It focuses on breakthroughs from around the world and aims to become a world-leading academic journal for materials science.