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

Sundaram Ganesh Babu | Zendy; Vinoth Ramalingam | Zendy; P. Surya Narayana | Zendy; Detlef W. Bahnemann | Zendy; Bernaurdshaw Neppolian | Zendy

Open Access

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

Author(s) -

Sundaram Ganesh Babu,

Vinoth Ramalingam,

P. Surya Narayana,

Detlef W. Bahnemann,

Bernaurdshaw Neppolian

Publication year - 2015

Publication title -

apl materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.571

H-Index - 60

ISSN - 2166-532X

DOI - 10.1063/1.4928286

Subject(s) - graphene , materials science , photocatalysis , heterojunction , oxide , photoluminescence , semiconductor , absorption (acoustics) , visible spectrum , chemical engineering , optoelectronics , nanotechnology , photochemistry , composite material , metallurgy , catalysis , chemistry , organic chemistry , engineering

Herein, Cu2O spheres were prepared and encapsulated with reduced graphene oxide (rGO). The Cu2O–rGO–C3N4 composite covered the whole solar spectrum with significant absorption intensity. rGO wrapped Cu2O 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 Cu2O and C3N4 heterojunction. Utmost, ∼2 fold synergistic effect was achieved with Cu2O–rGO–C3N4 for the photocatalytic reduction of 4-nitrophenol to 4-aminophenol in comparison with Cu2O–rGO and C3N4. The Cu2O–rGO–C3N4 photocatalyst was reused for four times without loss in its activity

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