Plasmon resonance enhanced photocatalysis under visible light with Au/Cu-TiO2 nanoparticles: Removal Cr (VI) from water as a case of study

M. A. Gondal; Mohamed Abdulkader Dastageer; Shama G. Rashid; Syed M. Zubair; Mohammada A. Ali; Dalaver H. Anjum; John H. Lienhard V; Gareth H. McKinley; Kripa K. Varanasi

doi:10.1166/sam.2013.1669

Plasmon resonance enhanced photocatalysis under visible light with Au/Cu-TiO2 nanoparticles: Removal Cr (VI) from water as a case of study

M. A. Gondal, Mohamed Abdulkader Dastageer, Shama G. Rashid, Syed M. Zubair, Mohammada A. Ali, Dalaver H. Anjum, John H. Lienhard V, Gareth H. McKinley, Kripa K. Varanasi

Imaging & Characterization Core Lab

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16 Scopus citations

Abstract

Gold modified copper doped titania (Au/Cu:TiO2) nanoparticles were synthesized by a modified sol gel method and characterized using XRD, optical and TEM based techniques. The as-prepared material contained anatase phase particles with quasi-spherical morphology, showing enhanced absorption in the visible region and low photoluminescence emission intensity. Photocatalytic reduction of Cr (VI) in aqueous suspension with the Au/Cu:TiO2catalyst under 532 nm laser radiation and a visible broad band lamp source yielded 96% and 45% removal, respectively, without any additives. The enhanced photocatalytic activity can be attributed to the improved plasmonic effect due to gold modification and the expanded visible absorption due to copper doping. Moreover a comparative study of the material properties and catalytic activity of TiO2, Cu-TiO2and Au/Cu-TiO2 was carried out. © 2013 by American Scientific Publishers.

Original language	English (US)
Pages (from-to)	2007-2014
Number of pages	8
Journal	Science of Advanced Materials
Volume	5
Issue number	12
DOIs	https://doi.org/10.1166/sam.2013.1669
State	Published - Dec 1 2013

ASJC Scopus subject areas

General Materials Science

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Gondal, M. A., Dastageer, M. A., Rashid, S. G., Zubair, S. M., Ali, M. A., Anjum, D. H., Lienhard V, J. H., McKinley, G. H., & Varanasi, K. K. (2013). Plasmon resonance enhanced photocatalysis under visible light with Au/Cu-TiO2 nanoparticles: Removal Cr (VI) from water as a case of study. Science of Advanced Materials, 5(12), 2007-2014. https://doi.org/10.1166/sam.2013.1669

@article{a119cc9658d14c0a8d2f03a77c21cc54,

title = "Plasmon resonance enhanced photocatalysis under visible light with Au/Cu-TiO2 nanoparticles: Removal Cr (VI) from water as a case of study",

abstract = "Gold modified copper doped titania (Au/Cu:TiO2) nanoparticles were synthesized by a modified sol gel method and characterized using XRD, optical and TEM based techniques. The as-prepared material contained anatase phase particles with quasi-spherical morphology, showing enhanced absorption in the visible region and low photoluminescence emission intensity. Photocatalytic reduction of Cr (VI) in aqueous suspension with the Au/Cu:TiO2catalyst under 532 nm laser radiation and a visible broad band lamp source yielded 96% and 45% removal, respectively, without any additives. The enhanced photocatalytic activity can be attributed to the improved plasmonic effect due to gold modification and the expanded visible absorption due to copper doping. Moreover a comparative study of the material properties and catalytic activity of TiO2, Cu-TiO2and Au/Cu-TiO2 was carried out. {\textcopyright} 2013 by American Scientific Publishers.",

author = "Gondal, {M. A.} and Dastageer, {Mohamed Abdulkader} and Rashid, {Shama G.} and Zubair, {Syed M.} and Ali, {Mohammada A.} and Anjum, {Dalaver H.} and {Lienhard V}, {John H.} and McKinley, {Gareth H.} and Varanasi, {Kripa K.}",

note = "KAUST Repository Item: Exported on 2020-10-01 Acknowledgements: The support by KFUPM and MIT through project # MIT11109 and MIT11110 is gratefully acknowledged.",

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doi = "10.1166/sam.2013.1669",

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T1 - Plasmon resonance enhanced photocatalysis under visible light with Au/Cu-TiO2 nanoparticles: Removal Cr (VI) from water as a case of study

AU - Gondal, M. A.

AU - Dastageer, Mohamed Abdulkader

AU - Rashid, Shama G.

AU - Zubair, Syed M.

AU - Ali, Mohammada A.

AU - Anjum, Dalaver H.

AU - Lienhard V, John H.

AU - McKinley, Gareth H.

AU - Varanasi, Kripa K.

N1 - KAUST Repository Item: Exported on 2020-10-01 Acknowledgements: The support by KFUPM and MIT through project # MIT11109 and MIT11110 is gratefully acknowledged.

PY - 2013/12/1

Y1 - 2013/12/1

N2 - Gold modified copper doped titania (Au/Cu:TiO2) nanoparticles were synthesized by a modified sol gel method and characterized using XRD, optical and TEM based techniques. The as-prepared material contained anatase phase particles with quasi-spherical morphology, showing enhanced absorption in the visible region and low photoluminescence emission intensity. Photocatalytic reduction of Cr (VI) in aqueous suspension with the Au/Cu:TiO2catalyst under 532 nm laser radiation and a visible broad band lamp source yielded 96% and 45% removal, respectively, without any additives. The enhanced photocatalytic activity can be attributed to the improved plasmonic effect due to gold modification and the expanded visible absorption due to copper doping. Moreover a comparative study of the material properties and catalytic activity of TiO2, Cu-TiO2and Au/Cu-TiO2 was carried out. © 2013 by American Scientific Publishers.

AB - Gold modified copper doped titania (Au/Cu:TiO2) nanoparticles were synthesized by a modified sol gel method and characterized using XRD, optical and TEM based techniques. The as-prepared material contained anatase phase particles with quasi-spherical morphology, showing enhanced absorption in the visible region and low photoluminescence emission intensity. Photocatalytic reduction of Cr (VI) in aqueous suspension with the Au/Cu:TiO2catalyst under 532 nm laser radiation and a visible broad band lamp source yielded 96% and 45% removal, respectively, without any additives. The enhanced photocatalytic activity can be attributed to the improved plasmonic effect due to gold modification and the expanded visible absorption due to copper doping. Moreover a comparative study of the material properties and catalytic activity of TiO2, Cu-TiO2and Au/Cu-TiO2 was carried out. © 2013 by American Scientific Publishers.

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Plasmon resonance enhanced photocatalysis under visible light with Au/Cu-TiO2 nanoparticles: Removal Cr (VI) from water as a case of study

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