摘要
以La(NO3)3.6H2O为原料,用强碱性阴离子交换树脂为沉淀剂,制备了纳米La2O3。前驱物及产物进行了TG-DTA、XRD、TEM、HRTEM、SAED、BET等表征。实验结果表明,前驱物是La(OH)3,产物为宽约20nm^25nm、长约为80nm^200nm的板状或棒状La2O3纳米多晶体。
Nano-La2O3 were synthesized by the precipitation of strong alkaline ion-exchanged resins,using La（NO3）3·6H2O as a raw material.The compositions and morphologies of the precursor compound and the product were characterized by TG-DTA,XRD,TEM,HRTEM,SAED and BET.The experimental results show that the precursor compound is La（OH）3,and the product is the La2O3.Furthermore,the La2O3is the plate-or stick-like nanocrystals with the width of 20nm～25nm and the length of 80nm～200nm.
出处
《稀土》
EI
CAS
CSCD
北大核心
2010年第1期53-56,共4页
Chinese Rare Earths
