Low-coordinated surface atoms of CuPt alloy cocatalysts on TiO2 for enhanced photocatalytic conversion of CO2

Sooho Lee; Sunil Jeong; Whi Dong Kim; Seokwon Lee; Kangha Lee; Wan Ki Bae; Jun Hyuk Moon; Sangheon Lee; Doh C. Lee

doi:10.1039/c6nr02124g

Low-coordinated surface atoms of CuPt alloy cocatalysts on TiO₂ for enhanced photocatalytic conversion of CO₂

Sooho Lee, Sunil Jeong, Whi Dong Kim, Seokwon Lee, Kangha Lee, Wan Ki Bae, Jun Hyuk Moon, Sangheon Lee, Doh C. Lee

Department of Chemical Engineering & Materials Science

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

86 Scopus citations

Abstract

We report the photocatalytic conversion of CO₂ to CH₄ using CuPt alloy nanoclusters anchored on TiO₂. As the size of CuPt alloy nanoclusters decreases, the photocatalytic activity improves significantly. Small CuPt nanoclusters strongly bind CO₂ intermediates and have a stronger interaction with the TiO₂ support, which also contributes to an increased CH₄ generation rate. The alloying and size effects prove to be the key to efficient CO₂ reduction, highlighting a strategic platform for the design of photocatalysts for CO₂ conversion.

Original language	English
Pages (from-to)	10043-10048
Number of pages	6
Journal	Nanoscale
Volume	8
Issue number	19
DOIs	https://doi.org/10.1039/c6nr02124g
State	Published - 21 May 2016

Bibliographical note

Publisher Copyright:
© 2016 The Royal Society of Chemistry.

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10.1039/c6nr02124g

Cite this

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title = "Low-coordinated surface atoms of CuPt alloy cocatalysts on TiO2 for enhanced photocatalytic conversion of CO2",

abstract = "We report the photocatalytic conversion of CO2 to CH4 using CuPt alloy nanoclusters anchored on TiO2. As the size of CuPt alloy nanoclusters decreases, the photocatalytic activity improves significantly. Small CuPt nanoclusters strongly bind CO2 intermediates and have a stronger interaction with the TiO2 support, which also contributes to an increased CH4 generation rate. The alloying and size effects prove to be the key to efficient CO2 reduction, highlighting a strategic platform for the design of photocatalysts for CO2 conversion.",

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AU - Lee, Sooho

AU - Jeong, Sunil

AU - Kim, Whi Dong

AU - Lee, Seokwon

AU - Lee, Kangha

AU - Bae, Wan Ki

AU - Moon, Jun Hyuk

AU - Lee, Sangheon

AU - Lee, Doh C.

PY - 2016/5/21

Y1 - 2016/5/21

N2 - We report the photocatalytic conversion of CO2 to CH4 using CuPt alloy nanoclusters anchored on TiO2. As the size of CuPt alloy nanoclusters decreases, the photocatalytic activity improves significantly. Small CuPt nanoclusters strongly bind CO2 intermediates and have a stronger interaction with the TiO2 support, which also contributes to an increased CH4 generation rate. The alloying and size effects prove to be the key to efficient CO2 reduction, highlighting a strategic platform for the design of photocatalysts for CO2 conversion.

AB - We report the photocatalytic conversion of CO2 to CH4 using CuPt alloy nanoclusters anchored on TiO2. As the size of CuPt alloy nanoclusters decreases, the photocatalytic activity improves significantly. Small CuPt nanoclusters strongly bind CO2 intermediates and have a stronger interaction with the TiO2 support, which also contributes to an increased CH4 generation rate. The alloying and size effects prove to be the key to efficient CO2 reduction, highlighting a strategic platform for the design of photocatalysts for CO2 conversion.

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JO - Nanoscale

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