Synthesis and characterization of zirconium-doped mesoporous nano-crystalline TiO2

被引：79
|
作者：
Bineesh, Kanattukara Vijayan [1 ]
Kim, Dong-Kyu [1 ]
Park, Dae-Won [1 ]
机构：
[1] Pusan Natl Univ, Div Chem Engn, Pusan 609735, South Korea
来源：
NANOSCALE | 2010年 / 2卷 / 07期
基金：
新加坡国家研究基金会;
关键词：
SOL-GEL PREPARATION; PHOTOCATALYTIC DEGRADATION; TITANIA; ANATASE; TEMPERATURE; BEHAVIOR; XPS; MICROSTRUCTURE; TRANSITION; STABILITY;
D O I：
10.1039/c0nr00108b
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A series of zirconium-doped nano-titania (Zr/TiO2) with various amounts of Zr were prepared by sol-gel method using titanium(IV) isopropoxide and zirconium nitrate as precursors. Zr/TiO2 samples were characterized using X-ray diffraction (XRD), surface area-pore volume measurements, infrared (FTIR) spectroscopy, UV-vis-diffuse reflectance spectroscopy (UV-vis-DRS), X-ray photoelectron spectroscopy (XPS), Raman spectroscopy, thermogravimetric (TG) analysis, and transmission electron microscopy (TEM) techniques. XRD data and Raman spectra indicated that even after 5 mol% doping of zirconium in the crystal lattice of TiO2, the samples were phase pure with the anatase structure. The crystalline size of the anatase decreased with increasing Zr content. An increase in the BET surface area was also observed after doping of zirconium on nano-titania.
引用
收藏
页码：1222 / 1228
页数：7
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