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Abstract
Since the discovery of graphene, many efforts have been done to modify the graphene structure for integrating this novel material to nanoelectronics, fuel cells, energy storage devices and in many other applications. This leads to the production of different types of graphene-based materials, which possess properties different from those of pure graphene. Porous graphene is an example of this type of materials. It can be considered as a graphene sheet with some holes/pores within the atomic plane. Due to its spongy structure, porous graphene can have potential applications as membranes for molecular sieving, energy storage components and in nanoelectronics. In this review, we present the recent progress in the synthesis of porous graphene. The properties and the potential applications of this new material are also discussed.
Highlights
Graphene, a two-dimensional (2D) sheet of sp2hybridized carbon atoms, initially as a theoretical model for many years, was employed for describe the properties of other carbon-based materials [1]
The density functional theory (DFT) study conducted by Brunetto et al [57] gave a value of 3.3 eV for hydrogenated porous graphene (HPG), which is about 20% smaller than the results reported by De La Pierre [56]
The authors succeeded in the production of porous graphene nanosheets (PGNs) by the etching of carbon atoms on the graphene sheets by MnO2
Summary
A two-dimensional (2D) sheet of sp2hybridized carbon atoms, initially as a theoretical model for many years, was employed for describe the properties of other carbon-based materials [1]. The authors succeeded in the production of porous graphene nanosheets (PGNs) by the etching of carbon atoms on the graphene sheets by MnO2. All these methods provide porous graphene sheets with pores of different dimensions and most of them are expensive and time consuming, such as a TEM or SEM apparatus is needed [59,60] or many reactions steps are required as well as the purification of the material [61].
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