石墨烯/Gd2O3:Eu^3+复合材料的制备  

Preparation of Graphene/Gd2O3:Eu^3+Composites

作　　者：宋洁[1] 庞明俊 乔俊 陈志文 杜雅琴[2] 邢宝岩[1] 赵建国[1,2] SONG Jie;PANG Ming-jun;QIAO Jun;CHEN Zhi-wen;DU Ya-qin;XING Bao-yan;ZHAO Jian-guo(Institute of Carbon Materials,Shanxi Datong University,Shanxi Datong 037009;School of Chemistry and Chemical Engineering,Shanxi Datong University,Shanxi Datong 037009,China)

机构地区：[1]山西大同大学炭材料研究所,山西大同037009 [2]山西大同大学化学与化工学院,山西大同037009

出　　处：《广州化工》2020年第22期36-38,共3页GuangZhou Chemical Industry

基　　金：山西大同大学校级青年科研项目(No:2015Q2)。

摘　　要：以一定量的硝酸铕Eu(NO3)3、硝酸钆Gd(NO3)3和石墨烯作为反应原料,以乙二醇作为分散剂,利用回流反应制备了石墨烯/Gd2O3:Eu^3+复合材料,并对所合成产物的微观形貌和结构进行了分析和表征。结果表明,通过控制石墨烯与Gd2O3:Eu^3+荧光粉的反应量,可以使二者发生一定程度地复合。当加入0.015 g Gd2O3:Eu^3+荧光粉与石墨烯进行反应时,荧光粉颗粒比较均匀地分散在石墨烯片层的表面,可以得到包覆效果较好的石墨烯/Gd2O3:Eu^3+复合材料。Graphene/Gd 2O 3:Eu 3+composites were successfully synthesized via reflux reaction by using a certain amount of Eu(NO 3)3,Gd(NO 3)3,and graphene as raw materials and using ethylene glycol as dispersant.The microstructures and morphologies of the prepared composites with different addition of Gd 2O 3:Eu 3+phosphors were analyzed and characterized.Graphene surfaces coated by Gd 2O 3:Eu 3+particles were confirmed by scanning electron microscope(SEM)and X-ray spectrometer(EDS).Moreover,the experimental results showed that graphene and Gd2O3:Eu^3+phosphors can deposit to a certain extent by controlling their reaction amounts.The phosphor particles dispersed uniformly on the surfaces of graphene sheets when 0.015 g Gd2O3:Eu^3+phosphors were added to react with 0.025 g graphene,and the graphene/Gd2O3:Eu^3+composites with better coating effects can be obtained finally.

关 键 词：石墨烯 氧化铕 氧化钆 回流反应 

分 类 号：O616[理学—无机化学]