【摘要】 通过升降温差热分析 (DSC)曲线、偏光显微镜、紫外吸收光谱、电化学行为曲线以及多层器件等 ,研究了二唑衍生物小分子的电学和光学性质 ,发现其同时具有液晶性、电子和空穴传输性、发光性等优良性能 引进R OXD(En)层后的多层器件在低于 3V时就能得到可见光发射 ,在7V时可以得到光亮度为 10 0 0cdm- 2 此系列小分子可降低有机电致发光器件开启电压 ,提高发光亮度和发光效率 ,是一种非常具有吸引力的有机电致发光小分子更多还原

【Abstract】 The electrical and optical properties of the small oxadiazole (OXD) derivatives are determined by DSC, polarized optical microscope(POM), UV absorption spectrum, electrochemical measurement and manufacturing multi layers device. Liquid crystal, electron transport, cavity transport, luminescence and other excellent characterizations are found in these R OXD materials. The multi layers EL device with R OXD layer begins to emit light at below 5 V and a luminance level of 1000 cdm -2 can be obtained at only 7 V.This series of compounds is beneficial to decrease the threshold voltage in devices and to improve luminous intensity and efficiency. It′s a kind of attractive organic electroluminescent compounds.更多还原