Visible light photocatalytic properties of Ta and N codoped SrTiO 3 nanoparticles

Uyi Sulaeman; Shu Yin; Tsugio Sato

doi:10.1155/2010/261420

Visible light photocatalytic properties of Ta and N codoped SrTiO ₃ nanoparticles

Uyi Sulaeman, Shu Yin, Tsugio Sato

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

Ta and N co-doped SrTiO₃ was synthesized by microwave-assisted solvothermal reaction using SrCl₂·6H₂O, Ti(OC ₃H₇)₄, TaCl₅, and HMT (hexamethylenetetramine) in KOH and oleic acid mixed solutions. The products were characterized by XRD, TG-DTA, BET surface area measurement, TEM, EDX, DRS, PL-Spectra, and XPS. The nanoparticles of perovskite-type SrTi _1-xTa_xO_3-yN_y (x = 0 - 0.1) were successfully synthesized. The photocatalytic activity of SrTiO₃ for DeNO_xability in the visible light region could be improved by the codoping of Ta⁵⁺ and N^3-. The excellent visible light photocatalytic activity of this substance may be due to the generation of a new band gap by doping nitrogen that enables the absorption of visible light as well as a decrease in the incidence of the lattice defects, which acts as a recombination center of photo-induced electrons and holes by codoping with Ta⁵⁺.

Original language	English
Article number	261420
Journal	International Journal of Optics
Volume	2010
DOIs	https://doi.org/10.1155/2010/261420
Publication status	Published - 2010

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics

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title = "Visible light photocatalytic properties of Ta and N codoped SrTiO 3 nanoparticles",

abstract = "Ta and N co-doped SrTiO3 was synthesized by microwave-assisted solvothermal reaction using SrCl2·6H2O, Ti(OC 3H7)4, TaCl5, and HMT (hexamethylenetetramine) in KOH and oleic acid mixed solutions. The products were characterized by XRD, TG-DTA, BET surface area measurement, TEM, EDX, DRS, PL-Spectra, and XPS. The nanoparticles of perovskite-type SrTi 1-xTaxO3-yNy (x = 0 - 0.1) were successfully synthesized. The photocatalytic activity of SrTiO3 for DeNOxability in the visible light region could be improved by the codoping of Ta5+ and N3-. The excellent visible light photocatalytic activity of this substance may be due to the generation of a new band gap by doping nitrogen that enables the absorption of visible light as well as a decrease in the incidence of the lattice defects, which acts as a recombination center of photo-induced electrons and holes by codoping with Ta5+.",

author = "Uyi Sulaeman and Shu Yin and Tsugio Sato",

year = "2010",

doi = "10.1155/2010/261420",

language = "English",

volume = "2010",

journal = "International Journal of Optics",

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T1 - Visible light photocatalytic properties of Ta and N codoped SrTiO 3 nanoparticles

AU - Sulaeman, Uyi

AU - Yin, Shu

AU - Sato, Tsugio

PY - 2010

Y1 - 2010

N2 - Ta and N co-doped SrTiO3 was synthesized by microwave-assisted solvothermal reaction using SrCl2·6H2O, Ti(OC 3H7)4, TaCl5, and HMT (hexamethylenetetramine) in KOH and oleic acid mixed solutions. The products were characterized by XRD, TG-DTA, BET surface area measurement, TEM, EDX, DRS, PL-Spectra, and XPS. The nanoparticles of perovskite-type SrTi 1-xTaxO3-yNy (x = 0 - 0.1) were successfully synthesized. The photocatalytic activity of SrTiO3 for DeNOxability in the visible light region could be improved by the codoping of Ta5+ and N3-. The excellent visible light photocatalytic activity of this substance may be due to the generation of a new band gap by doping nitrogen that enables the absorption of visible light as well as a decrease in the incidence of the lattice defects, which acts as a recombination center of photo-induced electrons and holes by codoping with Ta5+.

AB - Ta and N co-doped SrTiO3 was synthesized by microwave-assisted solvothermal reaction using SrCl2·6H2O, Ti(OC 3H7)4, TaCl5, and HMT (hexamethylenetetramine) in KOH and oleic acid mixed solutions. The products were characterized by XRD, TG-DTA, BET surface area measurement, TEM, EDX, DRS, PL-Spectra, and XPS. The nanoparticles of perovskite-type SrTi 1-xTaxO3-yNy (x = 0 - 0.1) were successfully synthesized. The photocatalytic activity of SrTiO3 for DeNOxability in the visible light region could be improved by the codoping of Ta5+ and N3-. The excellent visible light photocatalytic activity of this substance may be due to the generation of a new band gap by doping nitrogen that enables the absorption of visible light as well as a decrease in the incidence of the lattice defects, which acts as a recombination center of photo-induced electrons and holes by codoping with Ta5+.

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ER -

Visible light photocatalytic properties of Ta and N codoped SrTiO ₃ nanoparticles

Abstract

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