有机电致发光器件因在全彩平板显示和固态照明领域中具有广阔的应用前景,而受到人们的广泛关注.时至今日,与现有的红色和绿色有机电致发光材料和器件相比,具有优越综合性能的蓝色有机电致发光材料和器件却始终匮乏.相对而言,蓝光材料具有较宽的能隙,因而很难获得低电压、高效率和良好稳定性的深蓝光器件.通常,白色有机电致发光器件可以通过混合三基色或者两种颜色的方法获得.但是无论哪种方法,蓝光材料均是必不可少的.另外,还可以通过能量传递将蓝光转化为红光和绿光.因此,研发出具有优越综合性能的蓝光材料对有机电致发光器件的推广及应用十分关键.本文综述了近年来蓝色荧光材料、蓝色磷光材料的研究进展以及蓝光材料在蓝色和白色有机电致发光器件中的应用,并结合现有工作,对蓝色有机电致发光材料的研究和应用前景进行展望.
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