γ-AlOOH纳米晶的微波水热法制备及表征  

Preparation and Characterization of Nanocrystals γ-AlOOH via Microwave Hydrothermal Method

作　　者：王永在[1] 范有莲[2] 

机构地区：[1]山东理工大学分析测试中心,淄博255049 [2]山东理工大学一年级工作部,淄博255049

出　　处：《人工晶体学报》2009年第4期930-933,共4页Journal of Synthetic Crystals

基　　金：山东省自然科学基金项目(No.2008E24)

摘　　要：以Al(NO3).9H2O和en(乙二胺)为起始反应物,用微波水热法制备出单相纳米晶γ-AlOOH。用XRD和TG-DTG对合成产物进行了表征。结果表明:在200℃反应20 min,可获得平均晶粒度8.5 nm的γ-AlOOH。随着合成温度升高或反应时间延长,产物的晶粒度增加,晶胞参数减小,有助于获得热稳定性高的γ-AlOOH。Single-phase nanocrystals γ-A1OOH were prepared by microwave hydrothermal method using Al（NO3）·9H2O and en （1,2-ethylenediamine） as raw materials. The products were characterized by XRD and TG-DTG. The results indicate that T-AlOOH with the average crystallite size of about 8.5 nm could be synthesized at 200℃ for 20 min. Higher temperature and longer reaction time can results in larger crystallite sizes, smaller latticeconstants and better thermal stability for r-AlOOH.

关 键 词：纳米晶 -γAlOOH 微波水热法 晶粒度 

分 类 号：TB321[一般工业技术—材料科学与工程]