不同TiO_2原料制备一维钛酸盐纳米材料(英文)  

Preparation of One-Dimensional Titanate Nanomaterials Using Different Titania Sources

作　　者：李雪飞[1] 赵芸[1] 矫庆泽[1] 黎汉生[1] 吴洪雨[1] 刘洪博[1] 崔文甲[1] 

机构地区：[1]北京理工大学化工与环境学院,北京100081

出　　处：《物理化学学报》2011年第8期1996-2000,共5页Acta Physico-Chimica Sinica

基　　金：supported by the Basic Research Foundation of Beijing Institute of Technology, China (20070542001)~~

摘　　要：以不同二氧化钛为原料, 用水热法制备一维钛酸盐纳米材料. 原料一次粒径和晶体结构对一维纳米钛酸盐的形貌和结构的影响很大. 原料的一次粒径越小, 反应过程中产物的形貌和晶相转变越快; 纯锐钛矿相有利于钛酸盐纳米管的形成, 而少量金红石相则有利于纳米管向纳米线的进一步转变和晶相转变.One-dimensional titanate nanomaterials were synthesized by a hydrothermal reaction using different titania sources. The morphology and crystal structure of the one-dimensional titanate nanomaterials were greatly affected by the primary particle size and crystal structure of the starting materials. The smaller initial particle size of the reactant led to a faster phase transformation of the products. The pure anatase titania favored the formation of titanate nanotubes, while the mixture of anatase titania and a small amount of rutile titania as a starting material favored the further transformation of nanotubes to nanowires or nanoribbons and promoted the phase transformation.

关 键 词：钛酸盐 一维纳米材料 TIO2 水热法 形貌 晶体结构 

分 类 号：TB383.1[一般工业技术—材料科学与工程]