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Nano-structured rhodium doped SrTiO3–Visible light activated photocatalyst for water decontamination

DOI: 10.1016/j.apcatb.2017.01.066 DOI Help

Authors: Borbala Kiss (University of Liverpool) , Troy D. Manning (University of Liverpool) , David Hesp (University of Liverpool) , Christophe Didier (University of Liverpool) , Arthur Taylor (University of Liverpool) , David M. Pickup (University of Kent) , Alan V. Chadwick (University of Kent) , Heather E. Allison (University of Liverpool) , Vinod R. Dhanak (University of Kent) , John B. Claridge (University of Liverpool) , James R. Darwent (University of Liverpool) , Matthew J. Rosseinsky (University of Liverpool)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Applied Catalysis B: Environmental

State: Published (Approved)
Published: January 2017
Diamond Proposal Number(s): 14239

Open Access Open Access

Abstract: A modified hydrothermal synthesis, avoiding high temperature calcination, is used to produce nano-particulate rhodium doped strontium titanate in a single-step, maintaining the rhodium in the photocatalytically active +3 oxidation state as shown by X-ray spectroscopy. The photoactivity of the material is demonstrated through the decomposition of aqueous methyl orange and the killing of Escherichia coli in aqueous suspension, both under visible light activation. A sample of SrTiO3 containing 5 at% Rh completely decomposed a solution of methyl orange in less than 40 minutes and E. coli is deactivated within 6 hours under visible light irradiation.

Journal Keywords: photocatalysis; anti-microbial; water decontamination; doped titanate

Diamond Keywords: Photocatalysis

Subject Areas: Chemistry, Materials, Environment


Instruments: B18-Core EXAFS

Added On: 01/02/2017 09:02

Documents:
1-s2.0-S0926337317300838-main.pdf

Discipline Tags:

Desertification & Pollution Earth Sciences & Environment Physical Chemistry Catalysis Energy Materials Chemistry Materials Science

Technical Tags:

Spectroscopy X-ray Absorption Spectroscopy (XAS) X-ray Absorption Near Edge Structure (XANES)