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Large-Area Synthesis of High-Quality and Uniform Graphene Films on Copper Foils
It is shown that graphene grows in a self-limiting way on copper films as large-area sheets (one square centimeter) from methane through a chemical vapor deposition process, and graphene film transfer processes to arbitrary substrates showed electron mobilities as high as 4050 square centimeters per volt per second at room temperature. Expand
Graphene and graphene oxide: synthesis, properties, and applications.
- Yanwu Zhu, S. Murali, +4 authors R. Ruoff
- Materials Science, Medicine
- Advanced materials
- 15 September 2010
An overview of the synthesis, properties, and applications of graphene and related materials (primarily, graphite oxide and its colloidal suspensions and materials made from them), from a materials science perspective. Expand
Evolution of graphene growth on Ni and Cu by carbon isotope labeling.
This work used carbon isotope labeling in conjunction with Raman spectroscopic mapping to track carbon during the growth process and shows that at high temperatures sequentially introduced isotopic carbon diffuses into the Ni first, mixes, and then segregates and precipitates at the surface of Ni forming graphene and/or graphite. Expand
Transfer of large-area graphene films for high-performance transparent conductive electrodes.
An improved transfer process of large-area graphene grown on Cu foils by chemical vapor deposition is reported on, finding that the transferred graphene films have high electrical conductivity and high optical transmittance that make them suitable for transparent conductive electrode applications. Expand
Carbon-Based Supercapacitors Produced by Activation of Graphene
This work synthesized a porous carbon with a Brunauer-Emmett-Teller surface area, a high electrical conductivity, and a low oxygen and hydrogen content that has high values of gravimetric capacitance and energy density with organic and ionic liquid electrolytes. Expand
Thermal transport in suspended and supported monolayer graphene grown by chemical vapor deposition.
Graphene monolayer has been grown by chemical vapor deposition on copper and then suspended over a hole and the thermal conductivity of the suspended graphene exceeds and becomes (1400 + 500/-480) W/m K at about 500 K. Expand
Graphene films with large domain size by a two-step chemical vapor deposition process.
The effect of growth parameters such as temperature, and methane flow rate and partial pressure on the growth rate, domain size, and surface coverage of graphene as determined by Raman spectroscopy, and transmission and scanning electron microscopy is reported. Expand
Graphene and Graphene Oxide: Synthesis, Properties, and Applications
Graphene oxide papers modified by divalent ions-enhancing mechanical properties via chemical cross-linking.
- Sungjin Park, Kyoung-Seok Lee, Gülay Bozoklu, Weiwei Cai, S. Nguyen, R. Ruoff
- Materials Science, Medicine
- ACS nano
- 6 March 2008
Significant enhancement in mechanical stiffness and fracture strength of graphene oxide paper, a novel paperlike material made from individual graphene oxide sheets, can be achieved upon modification with a small amount of Mg(2+) and Ca(2+). Expand
Oxidation resistance of graphene-coated Cu and Cu/Ni alloy.
Graphene films grown by chemical vapor deposition are demonstrated for the first time to protect the surface of the metallic growth substrates of Cu and Cu/Ni alloy from air oxidation, allowing pure metal surfaces only one atom away from reactive environments. Expand