Sonochemical preparation of TiO2 nanoparticles in the ionic liquid 1-(3-hydroxypropyl)-3-methylimidazolium-bis(trifluoromethylsulfonyl)amide

被引：37

作者：

Alammar, Tarek ^{[1
]}

Birkner, Alexander ^{[2
]}

Shekhah, Osama ^{[2
]}

Mudring, Anja-Verena ^{[1
]}

机构：

[1] Ruhr Univ Bochum, Anorgan Chem Festkorperchem & Mat 1, D-44780 Bochum, Germany

[2] Ruhr Univ Bochum, Lehrstuhl Physikal Chem 1, D-44780 Bochum, Germany

来源：

MATERIALS CHEMISTRY AND PHYSICS | 2010年 / 120卷 / 01期

关键词：

Ionic liquids; Nanomaterials; Photocatalyst; Synthesis; HIGH-PRESSURE PHASE; TITANIUM-DIOXIDE; RAMAN-SPECTRUM; POLYMORPH; GROWTH; FILMS;

D O I：

10.1016/j.matchemphys.2009.10.029

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Spherical shaped anatase nanoparticles (empty set 5nm) have been synthesized in the ionic liquid 1-(3-hydroxypropyl)-3-methylimidazolium-bis(trifluoromethanesulfonyl)amide from titanium tetraisopropoxide by ultrasound assisted synthesis under ambient conditions. XRD EDX TEM XPS Raman, UV-vis, PL and BET measurements have been employed for characterization of the nanostructure of as-prepared TiO2. XRD and Raman measurements both show that the obtained material is crystalline with anatase structure. The morphology of TiO2 nanoparticles was characterized by transmission electron microscopy (TEM). The bandgap of the TiO2 nanocrystals estimated from XRD and UV-vis measurements is about 3.3 eV. The surface area of a typical sample is 177 m(2) g(-1). The synthesized anatase nanocrystals show good photocatalytic activity in the degradation of methylorange. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：109 / 113

页数：5

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