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Synthesis and Functionalization of 3D Nano-graphene Materials: Graphene Aerogels and Graphene Macro Assemblies
Published on: November 5, 2015
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Graphene oxide liquid crystals: a frontier 2D soft material for graphene-based functional materials
Suchithra Padmajan Sasikala1, Joonwon Lim, In Ho Kim
1National Creative Research Initiative Centre for Multi-Dimensional Directed Nanoscale Assembly, Department of Materials Science & Engineering, KAIST, Daejeon 34141, Republic of Korea. sangouk@kaist.ac.kr.
Chemical Society Reviews
|July 17, 2018
Summary
Researchers discovered liquid crystalline phases in graphene oxide, enabling the creation of aligned graphene structures like films and fibers. This breakthrough overcomes limitations in forming organized graphene materials for advanced applications.
Area of Science:
- Materials Science
- Nanotechnology
- Physical Chemistry
Background:
- Graphene is a strong, conductive material with limited practical use due to challenges in creating organized structures.
- Graphene oxide (GO) dispersions present an opportunity for developing ordered graphene materials.
Purpose of the Study:
- To review the structure-property relationships of graphene oxide liquid crystals (GOLCs).
- To highlight methods for GOLC phase formation and characterization.
- To discuss applications and future prospects of GOLCs.
Main Methods:
- Formation of liquid crystalline phases in graphene oxide dispersions.
- Characterization of graphene oxide liquid crystal (GOLC) phases using various techniques.
- Overview of synthetic methods and parameters for GOLC formation.
Main Results:
- Discovery of liquid crystalline phase formation in graphene oxide dispersions.
- Enabling of highly aligned graphene-based structures (films, fibers, membranes).
- Identification and discussion of nematic, lamellar, and chiral GOLC phases.
Conclusions:
- Graphene oxide liquid crystals (GOLCs) offer a pathway to overcome limitations in graphene material organization.
- GOLCs enable diverse, aligned graphene structures with potential for various applications.
- Further development of GOLCs holds significant promise for advanced material applications.
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