Research progress in preparation method of tungstate and molybdate red emitting phosphor

doi:10.16085/j.issn.1000-6613.2015.09.024

Abstract

Abstract: Red-emitting phosphor is a crucial luminescent material in white LED lighting applications. It is important to effectively improve the properties of red phosphor for preparing high color rendering index,low temperature,and high power white LED. Synthetic method of phosphor is one of the factors to influence the surface morphology and optical properties of red phosphor. In this paper,based on the tungstate and molybdate red phosphor system,the application and research on synthesis technique in recent years were analyzed. The present research situation for the synthesis method of tungstate and molybdate red phosphor system was introduced in detail,such as high temperature solid phase method,sol-gel method,precipitation method,hydrothermal method,spray pyrolysis,and combustion method. The processes and characteristics of different preparation methods and the influence on the performance of phosphor were discussed,and the future development direction,such as computer simulation,modern technology assistant,mechanism and so on,was prospected.

Key words: tungstate and molybdate, nanomaterials, white light-emitting, preparation, optimization

摘要： 红色荧光粉是白光发光二极管(LED)照明应用中的一种关键发光材料,有效改善红色荧光粉的发光性能对制造出高显色指数、低色温、大功率白光LED起到重要作用。荧光粉的合成工艺是影响红粉的表面形貌和光学性能的因素之一。本文以钨/钼酸盐基红色荧光粉为依托,对近年来红粉合成工艺的应用和研究进行了简要分析,详细介绍了国内外制备钨/钼酸盐红色荧光粉的合成方法,如高温固相法、溶胶-凝胶法、沉淀法、水热法、喷雾热解法、燃烧法等的研究现状,讨论了不同制备方法的生产流程、工艺特点以及相关制备技术参数对合成荧光粉性能的影响,并对其未来在计算机模拟、现代技术辅助以及机理研究等方面的发展方向进行了展望。

关键词: 钨/钼酸盐, 纳米材料, 白光发光二极管, 制备, 优化

CLC Number:

O611.4

FENG Ying, WANG Xiaoxiao, TONG Yiping, WEN Si. Research progress in preparation method of tungstate and molybdate red emitting phosphor[J]. Chemical Industry and Engineering Progree, 2015, 34(09): 3363-3369.

冯颖, 王潇潇, 童义平, 文思. 钨/钼酸盐体系红色荧光粉合成方法的研究与发展[J]. 化工进展, 2015, 34(09): 3363-3369.

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