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Synthesis and Functionalization of 3D Nano-graphene Materials: Graphene Aerogels and Graphene Macro Assemblies
Published on: November 5, 2015
Ultralight Graphene/Carbon Nanotubes Aerogels with Compressibility and Oil Absorption Properties
Da Zhao1, Li Yu2, Dongxu Liu3
1School of Aeronautic Science and Engineering, Beihang University, Beijing 100191, China. zhaoda@buaa.edu.cn.
Abstract:
Graphene aerogels have many advantages, such as low density, high elasticity and strong adsorption. They are considered to be widely applicable in many fields. At present, the most valuable research area aims to find a convenient and effective way to prepare graphene aerogels with excellent properties. In this work graphene/carbon nanotube aerogels are prepared through hydrothermal reduction, freeze-drying and high temperature heat treatment with the blending of graphene oxide and carbon nanotubes. A new reducing agent-ascorbic acid is selected to explore the best preparation process. The prepared aerogels have compression and resilience and oil absorption properties due to the addition of carbon nanotubes as designed.
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