Graphene nanohybrids for enhanced catalytic activity and large surface area

Nanohybrids containing graphene and bismuth ferrite have been actively employed as efficient photo-catalysts these days owing to the low rate of charge carrier's (e−–h+) recombination, moderate surface area with a suitable range of band-gaps. We have synthesized nanohybrids of graphene oxide (G...

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Veröffentlicht in:	MRS communications 2019-03, Vol.9 (1), p.27-36
Hauptverfasser:	Fatima, Sabeen, Ali, S. Irfan, Younas, Daniyal, Islam, Amjad, Akinwande, Deji, Rizwan, Syed
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Sprache:	eng
Schlagworte:	Biomaterials Characterization and Evaluation of Materials Materials Engineering Materials Science Nanotechnology Polymer Sciences Prospective Article Prospective Articles
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creator	Fatima, Sabeen Ali, S. Irfan Younas, Daniyal Islam, Amjad Akinwande, Deji Rizwan, Syed
description	Nanohybrids containing graphene and bismuth ferrite have been actively employed as efficient photo-catalysts these days owing to the low rate of charge carrier's (e−–h+) recombination, moderate surface area with a suitable range of band-gaps. We have synthesized nanohybrids of graphene oxide (GO) and doped BiFeO3 using a co-precipitation method and the doping elements were lanthanum and manganese, hence called BLFMO/GO nanohybrids. The surface area of BLFMO [La = 15% increased from 6.8 m2/g (for pure) to 62.68 m2/g (in nanohybrid)]. Also, the bandgap of the BLFMO/GO nanohybrid reduced significantly up to 1.75 eV. The resulting BLFMO/GO nanohybrid represents significantly higher catalytic activity (96% in 30 min) than the pure BiFeO3 (30% in 30 min).
doi_str_mv	10.1557/mrc.2018.194
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title	Graphene nanohybrids for enhanced catalytic activity and large surface area
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