Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/21986
Title: The changes of absorption and catalytic capacity on reduced graphene oxide after electron beam irradiation
Authors: Liu, P
Qi, W
An, W
Tian, L
Li, Z
Chen, X
Wu, W
Keywords: Adsorption
Catalytic capacity
Electron beam irradiation
Graphene
Issue Date: 2015
Publisher: World Scientific Publishing Co. Pte Ltd
Source: Nano, 2015, v. 10, no. 3, 1550041 How to cite?
Journal: Nano 
Abstract: As is well-known, porous nanomaterials have attracted increasing attention recently, and graphene-related materials (such as porous graphene) have been studied both experimentally and theoretically. Almost all researches are focused on nanoelectronics, supercapacitors, multifunctional membrances, bio-applications or others. Consequently, in order to understand the differences between porous graphene and normal graphene at adsorption and catalytic property, in this experiment, with the removal of metal ion (152Eu(III)) and organic matter (gallic acid) and reduction of 4-nitrophenol (4-NP) by NaBH4 as model reactions, a systematic investigation into the adsorptive performance as well as catalytic activity of graphene with or without electron beam irradiation exposure had been carried out. As the results showed, compared with the reduction of pristine graphene oxidized (R-GO), the reduction of graphene oxidized with electron beam irradiation exposure (100 MGy, about 2 h, radiation graphene oxide (R-RGO)) had many irregular defects caused by lack of atoms; the adsorptive performance of the R-RGO increased for metals but decreased for organic matter. However, the adsorption rate of the R-RGO was lower for metals, but higher for organic matter than that of the R-GO. In addition, the results also showed that the R-RGO had a better catalytic capacity than the R-GO.
URI: http://hdl.handle.net/10397/21986
ISSN: 1793-2920
DOI: 10.1142/S1793292015500411
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