Improved Graphene-Oxide-Derived Carbon Sponge for Effective Hydrocarbon Absorption and C–C Coupling Reaction
By A Mystery Man Writer
Last updated 23 Sept 2024
Graphenic sponges have created tantamount interest due to their special affinity for absorbing a broad range of petroleum oils and solvents resulting from controllable surface wettability. A major challenge is to fabricate such materials with surface hydrophilicity coexisting with hydrophobicity. Herein, we report a scalable self-assembly of randomly oriented improved graphene oxide (IGO) sheets into a graphene oxide sponge (GOS-H) with uniform cylindrical shape via a hydrothermal method. Extensive characterization of GOS-H using Raman microspectroscopy, Raman imaging, X-ray photoelectron spectroscopy (XPS), and electron microscopic (SEM and HRTEM) techniques suggests the sponge surface is hydrophobic with some hydrophilic oxygen content and has defect sites and roughness associated with voids formation. These features and conformal C–O coating on the basal plans result in high-diesel-range alkanes absorption from pure alkanes as well as from alkane–water mixture, which could enable as-synthesized GOS-H as an efficient and inexpensive sponge for hydrocarbons cleaning from contaminated water. In addition, GOS-H exhibits high catalytic activity for C–C coupling reaction of biomass-derived furfural and 2-methylfuran under solventless conditions to produce jet fuel-ranged high-carbon oxygenates with a branched backbone.
Three-dimensionally bonded spongy graphene material with super
学术成果
Biomass derived porous carbon (BPC) and their composites as lightweight and efficient microwave absorption materials - ScienceDirect
Graphene-Based Metal-Organic Framework Hybrids for Applications in
Joseph P. Smith, Ph.D. - Director, Data-Rich Experimentation, Process R&D Enabling Technologies - Merck
Proton sponge promotion of electrochemical CO2 reduction to multi-carbon products - ScienceDirect
Acta Phys. -Chim. Sin.
Covalent and Non-covalent Functionalized Nanomaterials for
Selective adsorption of organic dyes from aqueous environment using fermented maize extract-enhanced graphene oxide-durian shell derived activated carbon composite - ScienceDirect
Phase change materials microcapsules reinforced with graphene
Phase change materials microcapsules reinforced with graphene
Applications of graphene oxide (GO) in oily wastewater treatment
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