光致发光
兴奋剂
发光
透射电子显微镜
材料科学
纳米颗粒
荧光粉
光谱学
溶胶凝胶
化学工程
分析化学(期刊)
吸收光谱法
扫描电子显微镜
吸收(声学)
纳米技术
光电子学
光学
化学
复合材料
色谱法
工程类
物理
量子力学
作者
Ping Yang,Meng Kai Lü,Chun Song,Dong Xü,Duo Long Yuan,Feng Gu
标识
DOI:10.1016/j.matchemphys.2003.11.023
摘要
The synthesis and photoluminescence characteristics of a porous phosphor silica xerogel containing CaS and Nd2S3 nanoparticles entrapped in a sol–gel silica network are discussed. X-ray diffraction (XRD), transmission electron micrograph (TEM), UV-Vis absorption spectroscopy and photoluminescence spectroscopy have been performed. The observed luminescence is assigned to CaS and Nd2S3 nanoparticles embedded in the sol–gel silica xerogel. Transmission electron micrographs of doped samples revealed the presence of CaS and Nd2S3 nanoparticles with average diameters of 10–20 nm. Two emission bands have been observed from co-doped sample.
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