TY - CONF
T1 - Three-dimensional graphene/polymer composites with exceptional multi-functional properties
AU - Wang, Zhenyu
AU - Shen, Xi
AU - Garakani, Mohammad Akbari
AU - Lin, Xiuyi
AU - Wu, Ying
AU - Liu, Xu
AU - Sun, Xinying
AU - Kim, Jang Kyo
N1 - Funding Information:
The project was supported by the Research Grants Council of Hong Kong SAR. Z.W. and X.S. were recipients of the Hong Kong PhD Fellowship. Technical assistance from the Materials Characterization and Preparation Facilities (MCPF), Advanced Engineering Materials Facilities (AEMF), and the Department of Chemical and Biomolecular Engineering at HKUST is appreciated.
Publisher Copyright:
© 2015 International Committee on Composite Materials. All rights reserved.
PY - 2015
Y1 - 2015
N2 - 3D graphene materials with interconnected networks are prepared using different techniques, including template-based chemical vapor deposition to produce graphene foams (GF) and freeze-drying of graphene hydrogel to produce graphene aerogels (GA). Apart from the intrinsic properties of 2D graphene sheets, these 3D graphene materials possess other unique properties, including extremely low densities, superior electrical conductivities, and excellent elasticity and flexibility. 3D graphene/epoxy composites are prepared by infiltrating epoxy into the porous structure. GF/epoxy composites possess a cellular structure and 3D interconnected graphene network, while GA/epoxy composites possess unusual anisotropic properties due to the layered structure of GA. These composites deliver remarkable electrical conductivities, mechanical properties, and fracture toughness. These observations signify the unrivalled effectiveness of 3D graphene relative to 1D carbon nanotubes or 2D functionalized graphene sheets as reinforcement for polymer composites without the issues of nanofiller dispersion and functionalization prior to incorporation into the polymer.
AB - 3D graphene materials with interconnected networks are prepared using different techniques, including template-based chemical vapor deposition to produce graphene foams (GF) and freeze-drying of graphene hydrogel to produce graphene aerogels (GA). Apart from the intrinsic properties of 2D graphene sheets, these 3D graphene materials possess other unique properties, including extremely low densities, superior electrical conductivities, and excellent elasticity and flexibility. 3D graphene/epoxy composites are prepared by infiltrating epoxy into the porous structure. GF/epoxy composites possess a cellular structure and 3D interconnected graphene network, while GA/epoxy composites possess unusual anisotropic properties due to the layered structure of GA. These composites deliver remarkable electrical conductivities, mechanical properties, and fracture toughness. These observations signify the unrivalled effectiveness of 3D graphene relative to 1D carbon nanotubes or 2D functionalized graphene sheets as reinforcement for polymer composites without the issues of nanofiller dispersion and functionalization prior to incorporation into the polymer.
KW - Epoxy nanocomposites
KW - Graphene aerogels
KW - Graphene foams
UR - http://www.scopus.com/inward/record.url?scp=85053119354&partnerID=8YFLogxK
M3 - Paper
AN - SCOPUS:85053119354
T2 - 20th International Conference on Composite Materials, ICCM 2015
Y2 - 19 July 2015 through 24 July 2015
ER -