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In situ preparation of graphene‐ZnO composites for enhanced graphite exfoliation and graphene‐nylon‐6 composite films
Author(s) -
Hossain Muhammad Mohsin,
Shima Hossain,
Lee Insup,
Hahn Jae Ryang
Publication year - 2017
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.45034
Subject(s) - graphene , materials science , exfoliation joint , composite material , graphite , composite number , ultimate tensile strength , fabrication , electrical resistivity and conductivity , graphene oxide paper , nanoparticle , nanotechnology , medicine , alternative medicine , engineering , pathology , electrical engineering
An effective method for the fabrication of graphene‐ZnO nanoparticle (GZN) composites has been developed. GZN composites with high electrical conductivity (18,607 S/m) are prepared in situ from graphite‐ZnO composites. The GZN composites also exhibit visible‐light absorption and enable the effective exfoliation of graphite. The presence of the ZnO nanoparticles assists the exfoliation of graphite and enables the preparation of solutions of highly dispersed and concentrated graphene sheets (2.7 mg/mL) that exhibit high electrical conductivity without reduction (40,404 S/m). A solution of graphene sheets was used to produce a graphene‐nylon‐6 film with an excellent Young's modulus (3 GPa) and a high tensile strength (109 MPa). An exclusive mechanism was proposed for the improvement of mechanical properties of the nylon‐6 composite film. © 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2017 , 134 , 45034.