Green and large-scale preparation of reduced graphene oxide for electroreduction of nitrobenzene to p-aminophenol

A facile and green route to prepare reduced graphene oxide (RGO) is reported. The graphite oxide is firstly pretreated by detonating exfoliation in muffle furnace at low temperature and then is completely reduced to RGO in hydrogen atmosphere at high temperature, namely two-step method. Extensive ch...

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Bibliographic Details
Published in:Micro & nano letters 2016-11, Vol.11 (11), p.661-665
Main Authors: Liu, Wei Ming, Wang, Xue Qin, Wang, Cong Min, Chen, Guo Gui, Sun, Wei Lin, Zheng, Chong Tong
Format: Article
Language:English
Subjects:
catalysis
electrochemical measurement
electrochemistry
electroreduction
Electrowinning
exfoliation
few‐layer thick graphitic sheets
furnaces
Graphene
Graphite
graphite oxide
green preparation
High catalytic activity
hydrogen atmosphere
large‐scale preparation
muffle furnace
Nanostructure
Nitrobenzenes
nitrobenzene‐P‐aminophenol electrocatalysis
organic compounds
Oxides
reduced graphene oxide
reduction (chemical)
Surface area
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Summary:A facile and green route to prepare reduced graphene oxide (RGO) is reported. The graphite oxide is firstly pretreated by detonating exfoliation in muffle furnace at low temperature and then is completely reduced to RGO in hydrogen atmosphere at high temperature, namely two-step method. Extensive characterisations show that the as-prepared RGO with high ratio of C/O and surface area consists of crumpled and few-layer thick graphitic sheets. The RGO is used to electrocatalyse nitrobenzene (NB) to P-aminophenol (PAP). High catalytic activity and stability obtained in the electrochemical measurement indicate that the RGO could be a promising alternative catalyst toward the electroreduction of NB to PAP.
ISSN:1750-0443
1750-0443
DOI:10.1049/mnl.2016.0334