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Issue 10, 2018, Issue in Progress
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Efficient photocatalytic degradation of gaseous acetaldehyde over ground Rh–Sb co-doped SrTiO3 under visible light irradiation

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Abstract

A visible-light-responsive Rh–Sb co-doped SrTiO3 photocatalyst (STO:Rh,Sb) via a solid-state reaction was successfully developed, following pulverization by using ball-milling. The prepared STO:Rh,Sb exhibited a large surface area and showed efficient photocatalytic degradation of acetaldehyde. The photocatalytic activity of STO:Rh,Sb ground for 60 min exceeded that of STO:Rh ground for 60 min (photocatalyst doped without antimony), indicating that doped antimony plays an important role in suppressing the Rh4+, which works as a recombination center, in STO:Rh,Sb. Furthermore, the photocatalytic performance of STO:Rh,Sb ground for 60 min was sustained over 3 cycles, confirming the chemical stability of the photocatalyst. Therefore, ground STO:Rh,Sb has the potential to be applied to environmental remediation under visible light irradiation.

Graphical abstract: Efficient photocatalytic degradation of gaseous acetaldehyde over ground Rh–Sb co-doped SrTiO3 under visible light irradiation

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Publication details

The article was received on 14 Oct 2017, accepted on 24 Jan 2018 and first published on 31 Jan 2018


Article type: Paper
DOI: 10.1039/C7RA11337D
RSC Adv., 2018,8, 5331-5337
  • Open access: Creative Commons BY license
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    Efficient photocatalytic degradation of gaseous acetaldehyde over ground Rh–Sb co-doped SrTiO3 under visible light irradiation

    Y. Yamaguchi, S. Usuki, K. Yamatoya, N. Suzuki, K. Katsumata, C. Terashima, A. Fujishima, A. Kudo and K. Nakata, RSC Adv., 2018, 8, 5331
    DOI: 10.1039/C7RA11337D

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