Twisted intramolecular charge transfer, aggregation-induced emission, supramolecular self-assembly and the optical waveguide of barbituric acid-functionalized tetraphenylethene
作者： Erjing Wang , Jacky W. Y. Lam , Rongrong Hu , Chuang Zhang , Yong Sheng Zhao
DOI: 10.1039/C3TC32161D
关键词:
摘要: A red-emissive barbituric acid-functionalized tetraphenylethene derivative (TPE-HPh-Bar) was designed and synthesized. TPE-HPh-Bar exhibits the effect of twisted intramolecular charge transfer due to interaction its donor acceptor units. Whereas emits faintly in solution, it becomes a strong emitter aggregated state, demonstrating phenomenon aggregation-induced emission. can self-assemble into nanospheres upon natural evaporation solutions. In presence melamine, nanorods (un)sealed nanotubes are formed, content which depends on melamine amount. The crystalline grown from diethyl ether/hexane solution exhibit good optical waveguiding with low loss (0.137 dB μm−1). Such attributes make material find wide applications many areas such as biological imaging optoelectronic nano-devices.
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