祝贺潘跃晓老师指导研究生在dalton transactions发表学术论文-威尼斯人888

标题：synthesis and improved photoluminescence of hexagonal crystals of li2zrf6:mn4 for warm wleds application

abstract: a series of red-emitting phosphors composed of li2zrf6:mn4 (lzf:mn) have been synthesized by an ionic-exchange reaction route at room temperature. the microstructure and optical characterizations have been investigated according to the detailed experiments. the morphology of the phosphor lzf:mn changes with the concentration of hf, and reaction time and temperature. the uniform crystals of lzf:mn with regular hexagonal tablets have been obtained in 30~40 wt% hf solutions by keeping the reaction at room temperature for about 8 h. the influences of reaction parameters on the morphology and photoluminescence properties of lzf:mn have been systematically investigated. the luminescence intensity of lzf:mn has been optimized by controlling the synthetic procedure and parameters. the white light-emitting diode (wled) fabricated with lzf:mn and y3al5o12:ce3 (yag:ce) on ingan led chip displays a warm white light with correlated color temperature (cct) at 3789.4 k and color rendering index (cri) of 91..

原文链接: