TiO2 Nanotubes: Recent Advances in Synthesis and Gas Sensing Properties

被引:162
作者
Galstyan, Vardan [1 ]
Comini, Elisabetta
Faglia, Guido
Sberveglieri, Giorgio
机构
[1] Univ Brescia, Dept Informat Engn, Sensor Lab, I-25133 Brescia, Italy
关键词
titanium dioxide; nanotubes; electrochemical anodization; gas sensors; NB-DOPED TIO2; THIN-FILMS; PHOTOCATALYTIC ACTIVITY; HYDROTHERMAL SYNTHESIS; COMPONENT CRYSTALS; TITANIA NANOTUBES; ROOM-TEMPERATURE; METAL-OXIDES; ARRAYS; SENSORS;
D O I
10.3390/s131114813
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
Synthesis-particularly by electrochemical anodization-, growth mechanism and chemical sensing properties of pure, doped and mixed titania tubular arrays are reviewed. The first part deals on how anodization parameters affect the size, shape and morphology of titania nanotubes. In the second part fabrication of sensing devices based on titania nanotubes is presented, together with their most notable gas sensing performances. Doping largely improves conductivity and enhances gas sensing performances of TiO2 nanotubes.
引用
收藏
页码:14813 / 14838
页数:26
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