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Organic Solvent-Based Graphene Oxide Liquid Crystals: A Facile Route toward the Next Generation of Self-Assembled Layer-by-Layer Multifunctional 3D Architectures

Jalili, Rouhollah, Aboutalebi, Seyed Hamed, Esrafilzadeh, Dorna, Konstantinov, Konstantin, Moulton, Simon E, Razal, Joselito M and Wallace, Gordon G 2013, Organic Solvent-Based Graphene Oxide Liquid Crystals: A Facile Route toward the Next Generation of Self-Assembled Layer-by-Layer Multifunctional 3D Architectures, ACS Nano, vol. 7, no. 5, pp. 3981-3990, doi: 10.1021/nn305906z.

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Title Organic Solvent-Based Graphene Oxide Liquid Crystals: A Facile Route toward the Next Generation of Self-Assembled Layer-by-Layer Multifunctional 3D Architectures
Author(s) Jalili, Rouhollah
Aboutalebi, Seyed Hamed
Esrafilzadeh, Dorna
Konstantinov, Konstantin
Moulton, Simon E
Razal, Joselito M
Wallace, Gordon G
Journal name ACS Nano
Volume number 7
Issue number 5
Start page 3981
End page 3990
Total pages 10
Publisher American Chemical Society
Place of publication Washington, DC
Publication date 2013
ISSN 1936-0851
1936-086X
Keyword(s) Graphene oxide
Liquid crystal
Liquid crystal in organic solvent
Self-assembled composite
Layer-by-layer composite
Summary We introduce soft self-assembly of ultralarge liquid crystalline (LC) graphene oxide (GO) sheets in a wide range of organic solvents overcoming the practical limitations imposed on LC GO processing in water. This expands the number of known solvents which can support amphiphilic self-assembly to ethanol, acetone, tetrahydrofuran, N-dimethylformamide, N-cyclohexyl-2-pyrrolidone, and a number of other organic solvents, many of which were not known to afford solvophobic self-assembly prior to this report. The LC behavior of the as-prepared GO sheets in organic solvents has enabled us to disperse and organize substantial amounts of aggregate-free single-walled carbon nanotubes (SWNTs, up to 10 wt %) without compromise in LC properties. The as-prepared LC GO-SWNT dispersions were employed to achieve self-assembled layer-by-layer multifunctional 3D hybrid architectures comprising SWNTs and GO with unrivalled superior mechanical properties (Young’s modulus in excess of 50 GPa and tensile strength of more than 500 MPa).
Language eng
DOI 10.1021/nn305906z
Field of Research 109999 Technology not elsewhere classified
Socio Economic Objective 970110 Expanding Knowledge in Technology
HERDC Research category C1.1 Refereed article in a scholarly journal
Persistent URL http://hdl.handle.net/10536/DRO/DU:30061422

Document type: Journal Article
Collection: Faculty of Science, Engineering and Built Environment
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