Photocatalytic Reduction of Carbon Dioxide over Self-Assembled Carbon Nitride and Layered Double Hydroxide: The Role of Carbon Dioxide Enrichment

A self‐assembly of carbon nitride (C3N4) and layered double hydroxide (LDH) was constructed by electrostatic interaction. The pristine nitrate‐intercalated Mg‐Al‐LDH is turned to carbonate LDH through anion exchange during the photoreduction of CO2 in aqueous solution. The carbonate anions enriched...

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Bibliographic Details
Published in:ChemCatChem 2014-08, Vol.6 (8), p.2315-2321
Main Authors: Hong, Jindui, Zhang, Wei, Wang, Yabo, Zhou, Tianhua, Xu, Rong
Format: Article
Language:English
Subjects:
Aqueous solutions
Carbon
layered compounds
palladium
photochemistry
reduction
self-assembly
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Summary:A self‐assembly of carbon nitride (C3N4) and layered double hydroxide (LDH) was constructed by electrostatic interaction. The pristine nitrate‐intercalated Mg‐Al‐LDH is turned to carbonate LDH through anion exchange during the photoreduction of CO2 in aqueous solution. The carbonate anions enriched in the interlayer of LDH exhibit a remarkably high reduction efficiency to CH4 in the presence of a C3N4 photoabsorber and Pd cocatalyst. It's all about the layers: A self‐assembly of carbon nitride (C3N4) and layered double hydroxide (LDH) was constructed by electrostatic interaction. The carbonate anions enriched in the interlayer of LDH exhibit a remarkably high reduction efficiency to CH4 in the presence of C3N4 as visible light absorber and Pd as cocatalyst.
ISSN:1867-3880
1867-3899
DOI:10.1002/cctc.201402195