The strategy to improve thermal and optical properties of diphenylfluoranthene based on silicon-cored derivatives
作者:Hua Wang、Yan Liang、Yike Wang、Huanling Xie、Linglong Feng、Haifeng Lu、Shengyu Feng
DOI:10.1039/c3ra47751g
日期:——
A series of novel silicon-cored diphenylfluoranthene derivatives was synthesized in this paper to realize efficient solid-state emission. These silicone-cored diphenylfluoranthene derivatives show better fluorescent properties in the solid state than diphenylfluoranthene because these silicone-cored derivatives exhibit weaker π–π interactions among molecules. What is more, these silicone-cored derivatives exhibit very high thermal stabilities and exceptionally high glass transition temperatures. Interestingly, one silicon-cored diphenylfluoranthene derivative exhibited similar fluorescence emission spectra in both solution and solid state, and may be the most obvious candidate for an efficient solid-state emitter.
本研究合成了一系列新型硅核二苯基芴烯衍生物,以实现高效的固态发光。这些硅核二苯基芴烯衍生物在固态下表现出比二苯基芴烯更优越的荧光特性,因为这些硅核衍生物分子之间的π–π相互作用较弱。此外,这些硅核衍生物展现出非常高的热稳定性和异常高的玻璃转变温度。有趣的是,其中一种硅核二苯基芴烯衍生物在溶液和固态下的荧光发射光谱相似,可能是高效固态发射体的最明显候选者。