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Self-Assembled Multifunctional Hybrids: Toward Developing High-Performance Graphene-Based Architectures for Energy
Md Monirul Islam1, Seyed Hamed Aboutalebi1, Dean Cardillo1
1Institute for Superconducting and Electronic Materials, Australian Institute for Innovative Materials (AIIM) Facility, University of Wollongong , Innovation Campus, North Wollongong, New South Wales 2522, Australia.
ACS Central Science
|May 11, 2016
Summary
Researchers created flexible, robust 3D graphene-based materials mimicking nacre. These advanced composites exhibit high electrical conductivity and capacitance, paving the way for next-generation electronic components.
Area of Science:
- Materials Science
- Nanotechnology
- Integrative Chemistry
Background:
- Graphene-based devices offer significant potential but require robust, flexible architectures.
- Developing multifunctional materials for lightweight, foldable electronics remains a key challenge.
Purpose of the Study:
- To develop novel, nacre-mimicking 3D hybrid composite materials using graphene oxide, carbon nanotubes, and conducting polymers.
- To integrate graphene's desirable properties into real-world, mechanically robust materials.
Main Methods:
- Utilized a solvophobic self-assembly processing approach for layer-by-layer growth.
- Fabricated nacre-mimicking, hybrid composite architectures.
Main Results:
- Achieved flexible yet mechanically robust and tough materials (Young's modulus >26.1 GPa, tensile strength ~252 MPa, toughness ~7.3 MJ m(-3)).
- Demonstrated high electrical conductivity (38700 S m(-1)) and exceptional volumetric capacitance (761 F cm(-3)).
- Exhibited excellent cyclability and rate performance in electrochemical applications.
Conclusions:
- The developed 3D multifunctional architectures successfully incorporate graphene's attributes into practical materials.
- The nacre-mimicking composite materials show promise for advanced, lightweight, and foldable electronic applications.
