摘要
采用爆轰法制备出主要含金红石型、锐钛矿型以及其混晶的二氧化钛粉末。粉末用X射线衍射(XRD)、比表面积(BET)等手段进行了表征。结果表明,产物的粒度大约为8.4nm^50nm,比表面积最大可达107.8m2/g,平均孔径约6nm^15nm,产物的晶型主要为金红石型和锐钛矿型,粉末的粒度随炸药量的增加而增大,比表面积减小,孔的尺寸变大,同时产物中的金红石型含量增加,锐钛矿型含量减少。
Efficient process of explosion synthesis has been established for the synthesis of anatase and rutile as well as their mixtures. The powders were characterized by X-ray diffraction （XRD）, BET surface areas. The results showed that the as-prepared grain size was from 8.4 nm to 50 nm, and the maximal SBET was 107.8 m^2/g, the average pore size distribution of the sample was 6 nm to 15 nm. With increasing the proportion of detonator, the size of TiO2 crystallite increased, the BET surface areas decreased, the pore size increased, meanwhile the contents of rutile increased and anatase decreased.
出处
《稀有金属材料与工程》
SCIE
EI
CAS
CSCD
北大核心
2006年第11期1788-1791,共4页
Rare Metal Materials and Engineering
基金
国家自然科学基金资助项目(10172025)
辽宁省自然科学基金项目(2004-40)
关键词
二氧化钛
爆轰合成
晶型
titanium oxide
explosion synthesis： crystallite phase
作者简介
李晓杰，男，1963年生，博士，教授，大连理工大学工业装备结构分析国家重点实验室，辽宁大连116023，电话：0411-84706163，E-mail：dut_chen@163．com
