Graphene opens up to new applications

doi:10.1038/nnano.2015.110

Cited by 11 publications

(2 citation statements)

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“…9 The Images of graphene nanoribbons (GNRs) converted from Multi-wall carbon nanaotubes (MWCNTs) with permission of [34] membrane assemblies for advanced water treatment, including crumpled graphene oxide nanocomposites, which are highly water-permeable, photo reactive and antimicrobial. In future there will be myriad scope for disseminating this research concept [189].…”

Section: Applicationsmentioning

confidence: 99%

Synthesis of graphene

et al. 2016

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Graphene, a two-dimensional material of sp 2 hybridization carbon atoms, has fascinated much attention in recent years owing to its extraordinary electronic, optical, magnetic, thermal, and mechanical properties as well as large specific surface area. For the tremendous application of graphene in nano-electronics, it is essential to fabricate high-quality graphene in large production. There are different methods of generating graphene. This review summarizes the exfoliation of graphene by mechanical, chemical and thermal reduction and chemical vapor deposition and mentions their advantages and disadvantages. This article also indicates recent advances in controllable synthesis of graphene, illuminates the problems, and prospects the future development in this field.

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Section: Applicationsmentioning

confidence: 99%

Synthesis of graphene

et al. 2016

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“…The discovery of graphene has triggered great interest in studying two-dimensional (2D) materials in chemistry, physics, materials science, and related areas owing to their single-atom or single-polyhedral thicknesses and distinct properties from their bulk counterparts. , 2D materials, including nanosheets of graphene family materials, metal–organic frameworks (MOFs), , or zeolites, offer an exciting opportunity for developing a new family of separation membranes featuring unique apertures structure. Selective mass transport of a synthetic membrane is enabled by intrinsic or predefined pores.…”

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confidence: 99%

Subnanometer Two-Dimensional Graphene Oxide Channels for Ultrafast Gas Sieving

et al. 2016

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Two-dimensional (2D) materials with atomic thickness and extraordinary physicochemical properties exhibit unique mass transport behaviors, enabling them as emerging nanobuilding blocks for separation membranes. Engineering 2D materials into membrane with subnanometer apertures for precise molecular sieving remains a great challenge. Here, we report rational-designing external forces to precisely manipulate nanoarchitecture of graphene oxide (GO)-assembled 2D channels with interlayer height of ∼0.4 nm for fast transporting and selective sieving gases. The external forces are synergistic to direct the GO nanosheets stacking so as to realize delicate size-tailoring of in-plane slit-like pores and plane-to-plane interlayer-galleries. The 2D channels endow GO membrane with excellent molecular-sieving characteristics that offer 2-3 orders of magnitude higher H2 permeability and 3-fold enhancement in H2/CO2 selectivity compared with commercial membranes. Formation mechanism of 2D channels is proposed on the basis of the driving forces, nanostructures, and transport behaviors.

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