三维分级结构二氧化钛纳米材料的可控合成与应用研究进展

doi:10.16085/j.issn.1000-6613.2015.12.022

摘要/Abstract

摘要： 由低维度纳米尺寸单元构建组成的三维分级结构纳米材料具有优异的物理和化学特性。三维分级结构对TiO₂纳米材料的光、电、化学等性质有着显著的优化作用,TiO₂作为一种重要的宽禁带半导体材料在光催化、电化学等领域得到了广泛的研究。本文综述了各种不同维度基本组成单元构建而成的三维分级TiO₂纳米材料的合成方法,不同的合成方法得到了由纳米线、纳米片、纳米棒以及二维结构组装而成的各种不同形貌的三维分级结构TiO₂纳米材料。同时还介绍了三维分级结构TiO₂纳米材料在染料敏化太阳能电池、锂离子电池和光催化等应用领域中的最新研究进展,并对其可控合成进行了展望。

关键词: 二氧化钛, 纳米材料, 三维分级结构, 电化学, 催化

Abstract: Complex three-dimensional hierarchical structures assembled from well-defined low- dimensional nanosized building blocks are an interesting class of nanomaterials with a rich variety of physicochemical properties. The three-dimensional hierarchical TiO₂ nanomaterials have excellent electrical,optical and chemical properties. They have been widely studied in the field of photocatalysis and electrochemistry. In this review,the latest research progress on preparation methods has been reviewed. Different morphologies of three-dimensional hierarchical structure of titanium dioxide nanomaterial composed of the assembly of nanowire,nanosheet,nanorod and two-dimensional structure can be obtained by different synthesis methods. Furthermore,the applications of these novel materials for dye-sensitized solar cells,lithium ion battery and photocatalysis were discussed. The future developments of synthetic strategies about three-dimensional hierarchical structure were also outlooked.

Key words: titanium dioxide, nanometer material, three-dimensional hierarchical structure, electrochemistry, catalysis

中图分类号:

O614.41⁺1

李世超, 高婷婷, 周国伟. 三维分级结构二氧化钛纳米材料的可控合成与应用研究进展[J]. 化工进展, 2015, 34(12): 4272-4279.

LI Shichao, GAO Tingting, ZHOU Guowei. Three-dimensional hierarchical structure of titanium dioxide nanomaterial:Recent advances in controllable synthesis and applications[J]. Chemical Industry and Engineering Progree, 2015, 34(12): 4272-4279.

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