Reduced graphene oxide wrapped Cu2O supported on C3N4: An efficient visible light responsive semiconductor photocatalyst

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Ganesh Babu, S.; Vinoth, R.; Surya Narayana, P.; Bahnemann, Detlef W.; Neppolian, B.: Reduced graphene oxide wrapped Cu2O supported on C3N4: An efficient visible light responsive semiconductor photocatalyst. In: APL Materials 3 (2015), Nr. 11, 104415. DOI: http://dx.doi.org/10.1063/1.4928286

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Herein, Cu 2O spheres were prepared and encapsulated with reduced graphene oxide (rGO). The Cu 2O–rGO–C3N4 composite covered the whole solar spectrum with significant absorption intensity. rGO wrapped Cu 2O loading caused a red shift in the absorption with respect to considering the absorption of bare C3N4. The photoluminescence study confirms that rGO exploited as an electron transport layer at the interface of Cu 2O and C3N4 heterojunction. Utmost, ∼2 fold synergistic effect was achieved with Cu 2O–rGO–C3N4 for the photocatalytic reduction of 4-nitrophenol to 4-aminophenol in comparison with Cu 2O–rGO and C3N4. The Cu 2O–rGO–C3N4 photocatalyst was reused for four times without loss in its activity.
License of this version: CC BY 3.0
Document Type: article
Publishing status: publishedVersion
Issue Date: 2015
Appears in Collections:Naturwissenschaftliche Fakultät

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pos. country downloads
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1 image of flag of Germany Germany 56 47.86%
2 image of flag of India India 16 13.68%
3 image of flag of China China 14 11.97%
4 image of flag of Iran, Islamic Republic of Iran, Islamic Republic of 6 5.13%
5 image of flag of United States United States 4 3.42%
6 image of flag of No geo information available No geo information available 3 2.56%
7 image of flag of Taiwan Taiwan 3 2.56%
8 image of flag of Russian Federation Russian Federation 3 2.56%
9 image of flag of Mexico Mexico 2 1.71%
10 image of flag of United Kingdom United Kingdom 2 1.71%
    other countries 8 6.84%

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