TiO2 doped with nitrogen:: Synthesis and characterization

被引：14

作者：

Abazovic, Nadica D. ^{[1
]}

Montone, Amelia ^{[2
]}

Mirenghi, Luciana ^{[3
]}

Jankovic, Lvana A. ^{[1
]}

Comor, Mirjana I. ^{[1
]}

机构：

[1] Vinca Inst Nucl Sci, Belgrade 11000, Serbia

[2] ENEA, Mat & Technol Unit, Rome, Italy

[3] ENEA, Mat & Technol Unit, I-72100 Brindisi, Italy

来源：

JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2008年 / 8卷 / 02期

关键词：

TiO2; nitrogen doping; characterization;

D O I：

10.1166/jnn.2008.A226

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In this study, nitrogen-doped titanium dioxide (TiO2) powders were synthesized in two ways: by heating of titanium hydroxide with urea and by direct hydrolysis of titanium tetraisopropoxicle (TTIP) with ammonium hydroxide. The samples were characterized by structural (XRD), analytical (XPS), optical (UV/Vis absorption/reflection and Raman spectroscopy) and morphological (SEM, TEM) techniques. The characterization suggested that the doped materials have anatase crystalline form without any detectable peaks that correspond to dopants. The absorption threshold of titanium dioxide was moved in the visible range of optical spectrum from 3.2 eV to 2.20 eV. Particle sizes of synthesized powders were obtained from XRD measurements and from TEM data ranging from 6-20 nm. XPS and Raman spectroscopy were used for detection of nitrogen in doped samples.

引用

页码：613 / 618

页数：6

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