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Author:

Wang, JS (Wang, JS.) (Scholars:王金淑) | Yin, S (Yin, S.) | Komatsu, M (Komatsu, M.) | Zhang, QW (Zhang, QW.) | Saito, F (Saito, F.) | Sato, T (Sato, T.)

Indexed by:

Scopus SCIE

Abstract:

Nitrogen doped SrTiO3 powders were prepared by the mechanochemical reaction of SrTiO3 and 20 wt.% of three kinds of doping sources, hexamethylenetetramine, urea, and ammonium carbonate using a high energy planetary ball mill, followed by calcination at 400 degreesC for 1 h. The photocatalysis of nitrogen doped SrTiO3 powders under the irradiation of wavelength lambda > 400 nm and near ultraviolet light regions (lambda > 290 nm) greatly changed depending on particle size, specific surface area and porosity. The absorption of visible light increased with increasing nitrogen content doped in SrTiO3 lattice. Nitrogen monoxide elimination ability of SrTiO3 could be greatly improved by nitrogen doping. The photocatalytic activity of nitrogen doped SrTiO3 made by 20 wt.% hexamethylenetetramine-SrTiO3 under light lambda > 400 nm irradiation was about 3.5 and 1.4 times higher than those of pure SrTiO3 and commercial titania powder (Degussa P-25). (C) 2004 Elsevier B.V. All rights reserved.

Keyword:

nitrogen doping mechanochemical reaction SrTiO3 NO elimination photocatalytic activity

Author Community:

  • [ 1 ] Tohoku Univ, Inst Multidisciplinary Res Adv Mat, Div Adv Syst, Sendai, Miyagi 9808577, Japan
  • [ 2 ] Beijing Univ Technol, Sch Mat Sci & Engn, Beijing 100022, Peoples R China

Reprint Author's Address:

  • 王金淑

    [Wang, JS]Tohoku Univ, Inst Multidisciplinary Res Adv Mat, Div Adv Syst, Sendai, Miyagi 9808577, Japan

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Source :

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY

ISSN: 1010-6030

Year: 2004

Issue: 1-3

Volume: 165

Page: 149-156

4 . 3 0 0

JCR@2022

ESI Discipline: CHEMISTRY;

JCR Journal Grade:2

Cited Count:

WoS CC Cited Count: 137

SCOPUS Cited Count: 151

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 9

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