【摘要】 由4,4′-磺酰基二苯酚与9-(4-溴丁基)-9H-咔唑等含有链状烷基的咔唑取代产物经威廉姆逊合成法制得一系列对称含有咔唑类化合物。通过红外光谱和核磁氢谱确定其结构,通过紫外光谱、荧光光谱热重分析和循环伏安等手段对目标化合物的性能进行表征。结果表明:其最大吸收波长在290~295nm之间,溶液中荧光发射波长处于378~423nm之间,固态时荧光发射波长处于375~390nm之间,荧光量子产率在0.38~0.44之间。在热稳定性方面,热分解温度(T_d)均大于350℃,熔点(T_m)为185℃,且玻璃态转化温度(T_g)在50~120℃之间,具有良好的热稳定性。有望成为优良的有机电致发光材料。更多还原

【Abstract】 4,4′-sulfonyldiphenol and 9-(2-bromoethyl)-9 H-carbazole were used to synthesize series of symmetric carbazole-containing compound by Williamson.The properties of target compound were characterized by UV spectroscopy,fluorescence spectroscopy,thermogravimetric analysis and differential scanning calorimetry.The results showed that the maximum absorption wavelength was between 290~295 nm,the fluorescence emission wavelength in solution was between 378~423 nm,the fluorescence emission wavelength in solid was between 375 nm and 390 nm,and the fluorescence quantum yield was between 0.38~0.44.The thermal decomposition temperature(Td)was more than350℃ and the melting point(Tm)was 185℃,and the glass transition temperature(Tg)was between 50~120℃,which showed that their thermal stability were good.更多还原