Structure and photocatalytic properties of sintered TiO2 nanotube arrays

被引：12
|
作者：
Vujancevic, Jelena [1 ]
Bjelajac, Andelika [2 ]
Cirkovic, Jovana [3 ]
Pavlovic, Vera [4 ]
Horvath, Endre [5 ]
Forro, Laszlo [5 ]
Vlahovic, Branislav [6 ,7 ]
Mitric, Miodrag [8 ]
Janackovic, Dorde [9 ]
Pavlovic, Vladimir [1 ]
机构：
[1] Inst Tech Sci SASA, Knez Mihailova 35-4, Belgrade 11000, Serbia
[2] Univ Belgrade, Fac Technol & Met, Innovat Ctr, Karnegijeva 4, Belgrade 11120, Serbia
[3] Univ Belgrade, Inst Multidisciplinary Res, Kneza Viseslava 1, Belgrade 11030, Serbia
[4] Univ Belgrade, Fac Mech Engn, Kraljice Marije 16, Belgrade 11120 35, Serbia
[5] Ecole Polytech Fed Lausanne, Lab Phys Complex Matter LPMC, CH-1015 Lausanne, Switzerland
[6] North Carolina Cent Univ, Dept Phys, 1801 Fayetteville St, Durham, NC 27707 USA
[7] NSF Ctr Res Excellence Sci & Technol, Computat Ctr Fundamental & Appl Sci & Educ, Greensboro, NC USA
[8] Univ Belgrade, Vinca Inst Nucl Sci, POB 522, Belgrade 1101, Serbia
[9] Univ Belgrade, Fac Technol & Met, Karnegijeva 4, Belgrade 11000, Serbia
来源：
SCIENCE OF SINTERING | 2018年 / 50卷 / 01期
关键词：
Titanium dioxide; Anodization; Sintering; Crystal phase; Photocatalysis; TITANIUM-DIOXIDE; RAMAN-SPECTRA; ANATASE; TEMPERATURE; PERFORMANCE; FABRICATION; SUBSTRATE; OXIDATION; SURFACE; RUTILE;
D O I：
10.2298/SOS1801039V
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
One-dimensional (1D) TiO2 nanotubes perpendicular to the substrate were obtained by electrochemical oxidation of titanium foil in an acid electrolyte. In order to alter the crystallinity and the morphology of films the as-anodized amorphous TiO2 nanotube films were sintered at elevated temperatures. The evolution of the morphology was visualized via scanning electron microscopy (SEM), while the crystalline structure was investigated by Xray diffraction (XRD) and Raman spectroscopy. The chemical composition was studied by Xray photoelectron spectroscopy (XPS). The effects of crystallinity and morphology of TiO2 nanotube (NTs) films on photocatalytic degradation of methyl orange (MO) in an aqueous solution under UV light irradiation were also investigated. The TiO2 nanotubes sintered at 650 degrees C for 30 min had the highest degree of crystallinity and exhibited the best photocatalytic activity among the studied TiO2 nanotube films.
引用
收藏
页码：39 / 50
页数：12
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