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Abstract:
La 2 Sn 2 O 7 (LSO) micro/nanospheres, synthesized by a hydrothermal method, exhibited photocatalytic performance for CO 2 reduction. The evolution rate of the main reduction products (CH 4 and CO) was 0.20 and 0.10 μmol h −1 , respectively. Loading of Au co-catalyst over La 2 Sn 2 O 7 efficiently enhanced the photocatalytic activity of CO 2 reduction. The highest photocatalytic efficiency was obtained over 1 wt% Au/La 2 Sn 2 O 7 with an apparent quantum yield (AQY) of 2.54%. Characterization techniques including SEM, TEM, XRD, XPS, DRS, PL, and electrochemical analysis were applied and the physicochemical properties of La 2 Sn 2 O 7 and Au/La 2 Sn 2 O 7 samples are discussed. A possible mechanism of photocatalytic CO 2 reduction over Au/La 2 Sn 2 O 7 is proposed. © The Royal Society of Chemistry.
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RSC Advances
ISSN: 2046-2069
Year: 2017
Issue: 23
Volume: 7
Page: 14186-14191
2 . 9 3 6
JCR@2017
3 . 9 0 0
JCR@2023
ESI HC Threshold:226
JCR Journal Grade:2
CAS Journal Grade:3
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 0
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