固相合成Gd_2O_2S:Pr陶瓷闪烁体粉末  

Preparation of Gadolinium Oxysulfide Powder by Solid-state Synthesis

作　　者：黄存新[1] 刘翠[2] 余明清 袁家铮[2] 范仕刚 赵春霞 李建保[1] 

机构地区：[1]清华大学材料科学与工程系,北京100084 [2]中国地质大学材料科学与工程学院,北京100083 [3]人工晶体研究院,北京100018

出　　处：《人工晶体学报》2005年第1期79-83,69,共6页Journal of Synthetic Crystals

摘　　要：本文采用固相反应合成Gd2O2S:Pr陶瓷闪烁体粉末,确定了固相反应时Gd2O3 与S的配比分别约为Gd2O3与S总质量的 88%和 12%,并往其中成功地掺入了痕量Pr2O3,测量了GOS:Pr的荧光光谱,分析表明,制备出的GOS:Pr粉末的主发射峰位于 512nm处,与硅光电二极管光谱感光度匹配。此法制备出的GOS:Pr粉末适于制造GOS:Pr闪烁陶瓷。The ceramic scintillator powder of gadolinium oxysulfide was prepared by solid-state synthesis with 88% gadolinium oxide and 12% sulfur of the mass of Gd2O2S:Pr wanted, and trace praseodymium oxide was doped successfully. The fluorescence spectra were measured and the main emission peak was located at 512 nm, which matches the spectral sensitivity of silicon photodiode. Thus the obtained gadolinium oxysulfide powder can be used as the raw material of scintillator ceramics.

关 键 词：Gd2O2S:Pr 陶瓷闪烁体 固相反应合成 荧光光谱 

分 类 号：TQ174.61[化学工程—陶瓷工业]