【摘要】 量子点具有光谱随尺寸可调、发光效率高、光热和化学稳定性好及溶液加工性好等优点,使其在照明、显示等领域具有广泛的应用前景,成为近年来研究的热点。本文首先介绍了量子点材料的种类及其3种不同的核壳结构,随后对近年来量子点白光发光二极管(QD-WLED)的研究进展进行系统地描述和对比,重点分析了量子点产生白光的方法,LED器件结构及光电性能,最后总结了QD-WLED在可见光通信、健康照明、植物照明及光动力疗法等方面的应用,阐述了该领域所面临的挑战和未来发展前景。更多还原

【Abstract】 Quantum dots have a series of advantages of spectrum adjustable with size,high luminous efficiency,good light,thermal and chemical stability,and good solution processability,making them have a wide range of application prospects in lighting,display and other fields and they have become a hot spot in recent years.This paper firstly introduces the types of quantum dot materials,then summarizes the three structures and preparation methods of core-shell quantum dot materials,and systematically describes their three different core-shell structures,and then systematically describes and compares the research progress of quantum dot white light-emitting diodes(QD-WLED)in recent years,focusing on the analysis of white light produced by quantum dots.Finally,it summarizes the application of QD-WLED in visible light communication,health lighting,plant lighting and photodynamic therapy,and expounds the challenges and the future development prospects of this field.更多还原