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

Title
Low-coordinated surface atoms of CuPt alloy cocatalysts on TiO2 for enhanced photocatalytic conversion of CO2
Authors
Sooho LeeSunil JeongWhi Dong KimSeokwon LeeKangha Lee배완기Jun Kyuk MoonSangheon LeeDoh C. Lee
Keywords
photocatalyst; CuPt; alloy; CO2
Issue Date
2016-05
Publisher
Nanoscale
Citation
VOL 8, 10043-10048
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.
URI
http://pubs.kist.re.kr/handle/201004/58923
ISSN
20403364
Appears in Collections:
KIST Publication > Article
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