金红石型TiO2的水热法制备及其表征.pdf

第27卷第6期 科技通报 V01．27NO．6 BULUETIN0F AND NOV．20ll 2011年11月 SCIENCETECHNOLOGY 金红石型Ti02的水热法制备及其表征 张一兵 (上饶师范学院，江西上饶334001) 摘要：以TiCl，溶液为原料，用水解法在玻璃基板上制备了TiO：，采用SEM和XRD技术对产物进行 了表征，研究了影响产物形成的因素。结果表明：生成的TiO：晶体为金红石型。生成的TiO：微米球直 径为2—3阻m，它由TiO：纳米棒自组装而成。生成的TiO：薄膜均匀、致密，厚1—2肛m，它由TiO：纳米 棒阵列而成。Ti02纳米棒为长方体结构，底面正方形边长100～200nm，棒长l一2恤m。制备TiO：的最 优条件是：0．15mol／L的TiCl，饱和氯化钠溶液、170oC、4h和外加添加剂尿素1／10(摩尔分数)。 关键词：金红石型Ti02；水热法；制备；表征 1．6 中图分类号：061 文献标识码：A 文章编号：1001—71 1)06—0833-04 19(201 andCharacterizationofRutileFabricated Prepration Ti02 via Method Hydrothermal ZHANG Yibing Normal University，ShangraoJiangxi334001，China) (Shangrao werefabricatedonthe substmtesvia reactionwithtitaniumtrichlorideasrawmateriMs Abstract：Ti02 glass hydrothermal XRDand factorsof were resultsshowthat andwerecharacterized SEM，and by influencingproductsstudied．Experiment the agerutile．The diameteris2-3 whichwerea scale of Ti02crystals as—preparedmicmspheres p．m large self-assembly is evenand and also film inthickwhichshow were a scale Ti02nanocrystals．Theas—prepared1-2斗m compact large are in have of shownoctabedronand fiat