反相微乳液法制备纳米四水羟基硝酸氧铋  

Preparation of nano-sized bismuth oxide nitrate hydroxide hydrate particles by a reverse microemulsion method

作　　者：范力仁[1] 罗冬冬[2] 段运[1] 栗海峰[1] 

机构地区：[1]中国地质大学材料科学与化学工程学院,湖北武汉430074 [2]中南民族大学化学材料学院催化材料科学湖北省重点实验室,湖北武汉430074

出　　处：《功能材料》2007年第3期455-458,共4页Journal of Functional Materials

基　　金：湖北省重点科技攻关资助项目(99100310);催化材料科学湖北省重点实验室开放基金资助项目(CHCL06008)

摘　　要：用Triton X-100/正己醇/环己烷/盐溶液的四元反相微乳液体系制备了纳米四水羟基硝酸氧铋((Bi6O4(OH)4)(NO3)6(H2O)4),研究了不同比例Triton X-100、正己醇、环己烷对微乳液体系的影响,绘制了反相微乳液体系的拟三元相图,确定了室温下微乳液法制取纳米四水羟基硝酸氧铋的最佳条件,制备出了棒状和片状两种产物,利用TEM、IR、XRD、TG-DSC等手段对产物的结构和性能进行了表征。The Nano-sized bismuth oxide nitrate hydroxide hydrate （（Bi6O4 （OH）4） （NO3）6 （ H2O）4 ） was prepared by chemical reaction of bismuth nitrate and ammonia by a reverse microemulsion method, which used cyclohexane as the oil phase, Triton X-100 as surfactant phase, and n-hexanol as co-surfactant phase. In this paper, different amounts of n-hexanol as a co-emulsifier and cyclohexane as oil respectively, were used to systematically investigate their effects on the microemulsion region in the quasi-ternary phase diagram of the system studied. Rodlike and plate-form bismuth oxide nitrate hydroxide hydrate nanoparticles were obtained. The product was characterized by infrared spectra, transmission electron microscopy, X-ray powder diffraction and TG-DSC.

关 键 词：反相微乳液 纳米(Bi6O4(OH)4)(NO3)6(H2O)4 拟三元相图 

分 类 号：TQ610.494[化学工程—精细化工]