反式-4,4'-二(邻甲氧基苯乙烯基)联苯化合物的合成、结构及光物理性能

Synthesis,Crystal Structure and Optic Properties of trans-4,4'-Bis(o-Methoxylstyryl)biphenyl Compound

以Wittig-Homer反应合成了反式对称的4,4'-二(邻甲氧基苯乙烯基)联苯化合物,X射线衍射分析测定了化合物的晶体结构.测定了其在不同溶剂中的线性吸收光谱、荧光发射光谱及荧光量子产率.飞秒激光做光源研究了化合物的双光子光物理性能.测试结果表明:该化合物在蓝光波段有较强的荧光发射,化合物具有较高的荧光量子产率和较大的双光子吸收截面,具有双光子诱导蓝光发射光学特性.

4,4′-Bis（o-methoxylstyryl）biphenyl compound was synthesized by a Wittig-Homer reaction. Its crystal structure was determined by X-ray diffraction method. The one-photon optical physical properties of the title compound in different solvents were investigated carefully and the one-photon fluorescence quantum yield was determined. Pumped by 700-820 nm fs laser, the title compound exhibited strong two-photon up-converted blue fluorescence in N,N-dimethylformamide, and two-photon absorption cross-sections 155 GM at 700 nm laser.