The present invention provides a micromolecular electron transport material based on pyridine and triazole, which is represented by the formula I, and an organic light-emitting diode using the micromolecular electron transport material. The micromolecular electron transport material of the present invention can improve the capacity of electron injection, transmitting and hole-blocking, thus can gain high E
T
and reduce the driving voltage of device.
本发明提供了一种基于
吡啶和三唑的微分子电子传输材料,其由公式I表示,并提供了使用该微分子电子传输材料的有机发光二极管。本发明的微分子电子传输材料可以提高电子注入、传输和阻挡空穴的能力,从而能够获得高的电子传输效率并降低器件的驱动电压。