基于芴类蓝光发光材料的合成与表征%Synthesis and Characterization of Blue Light-Emitting Materials Based on Fluorene
河南省科学院化学研究所有限公司 河南师范大学材料科学与工程学院 河南省科学院化学研究所
2024-12-18
2-溴-9,9-二苯基-芴 有机硅材料 蓝光发光材料 有机光电材料
以2-溴-9,9-二苯基-9H-芴为起始原料，通过Buchwald-Hartwig和Suzuki偶联反应，合成了目标化合物9,9-三苯基-N-[4′-（三苯基硅基）][1,1′-联苯-4-基]-芴-2-胺。利用<sup>1</sup>H NMR、MS、HPLC对目标化合物结构和纯度进行了鉴定，并通过DSC-TG、UV-Vis和荧光光谱研究了物质的热稳定性和光物理性能。研究表明，目标化合物具有较高的热稳定性，较宽的紫外吸收范围，其荧光发射波长是419 nm,位于蓝光区域，且半峰全宽为36 nm。工艺过程简单，产率高，在有机蓝光材料领域具有一定的应用前景。%Using2-bromo-9,9-diphenyl-9H-fluorene as starting material,the target compound 9,9-triphenyl-N-[4'-(triphenylsilyl)[1,1'-biphenyl]-4-yl]-fluorene-2-amine is synthe-sized by Buchwald-Hartwig and Suzuki coupling reaction.The structure and purity of the target com-pound are identified by 1 H NMR,MS and HPLC,and the thermal stability and photophysical properties of the material are studied by DSC-TG,UV-Vis and fluorescence spectroscopy.The results show that the target compound has high thermal stability and wide ultraviolet absorption range.Its fluorescence e-mission wavelength is 419 nm,which is located in the blue light region,and the full width at half maxi-mum is 36 nm.The process is simple and the yield is high.It has a certain application prospect in the field of organic blue light materials.
