In Situ Synthesis of Thermochemically Reduced Graphene Oxide Conducting Nanocomposites
- 19 January 2012
- journal article
- letter
- Published by American Chemical Society (ACS) in Nano Letters
- Vol. 12 (4), 1789-1793
- https://doi.org/10.1021/nl203803d
Abstract
Highly conductive reduced graphene oxide (GO) polymer nanocomposites are synthesized by a well-organized in situ thermochemical synthesis technique. The surface functionalization of GO was carried out with aryl diazonium salt including 4-iodoaniline to form phenyl functionalized GO (I-Ph-GO). The thermochemically developed reduced GO (R-I-Ph-GO) has five times higher electrical conductivity (42 000 S/m) than typical reduced GO (R-GO). We also demonstrate a R-I-Ph-GO/polyimide (PI) composites having more than 104 times higher conductivity (∼1 S/m) compared to a R-GO/PI composites. The electrical resistances of PI composites with R-I-Ph-GO were dramatically dropped under ∼3% tensile strain. The R-I-Ph-GO/PI composites with electrically sensitive response caused by mechanical strain are expected to have broad implications for nanoelectromechanical systems.Keywords
This publication has 28 references indexed in Scilit:
- Direct laser writing of micro-supercapacitors on hydrated graphite oxide filmsNature Nanotechnology, 2011
- Graphene as a subnanometre trans-electrode membraneNature, 2010
- High Mobility, Printable, and Solution-Processed Graphene ElectronicsNano Letters, 2009
- Sandwiched Graphene−Membrane SuperstructuresACS Nano, 2009
- Practical Chemical Sensors from Chemically Derived GrapheneACS Nano, 2009
- Chemical Modification of Epitaxial Graphene: Spontaneous Grafting of Aryl GroupsJournal of the American Chemical Society, 2009
- Graphene-Based UltracapacitorsNano Letters, 2008
- Approaching ballistic transport in suspended grapheneNature Nanotechnology, 2008
- Superior Thermal Conductivity of Single-Layer GrapheneNano Letters, 2008
- Photophysics, photochemistry, and optical properties of polyimidesProgress in Polymer Science, 2001