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Erschienen in: Journal of Materials Science 10/2019

06.02.2019 | Energy materials

Visible light photocatalytic conversion of CO2 in aqueous solution using 2D-structured carbon-based catalyst-coated β,γ-AgI nanocomposite

verfasst von: Pramila Murugesan, Sheeba Narayanan, Manickam Matheswaran

Erschienen in: Journal of Materials Science | Ausgabe 10/2019

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Abstract

Solar-light-driven carbon-based photocatalysts have been widely used for CO2 conversion reaction. In this work, silver iodide (AgI)-decorated 2D structure graphitic carbon nitride (GCN) composite was prepared using nitrogen-rich melamine precursor and the characterization results reveal that the mixture of hexagonal wurtzite and cubic phases of β,γ-AgI are incorporated on GCN surface. Consequently, the photoconversion of CO2 over AgI/GCN composite was tested under visible light irradiation in triethanolamine medium. The main products from CO2 conversion were methane, acetone and ethanol. Besides, the effects of metal AgI loading (0.5–1.5%), the amount of photocatalyst (1–4 g/L) and irradiation time for CO2 photoconversion were evaluated. Furthermore, the charge separation mechanism associated with the AgI/GCN composite for CO2 photoconversion was also discussed.

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Metadaten
Titel
Visible light photocatalytic conversion of CO2 in aqueous solution using 2D-structured carbon-based catalyst-coated β,γ-AgI nanocomposite
verfasst von
Pramila Murugesan
Sheeba Narayanan
Manickam Matheswaran
Publikationsdatum
06.02.2019
Verlag
Springer US
Erschienen in
Journal of Materials Science / Ausgabe 10/2019
Print ISSN: 0022-2461
Elektronische ISSN: 1573-4803
DOI
https://doi.org/10.1007/s10853-019-03389-9

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