Large-Area Graphene Films by Simple Solution Casting of Edge-Selectively Functionalized Graphite
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- Large-Area Graphene Films by Simple Solution Casting of Edge-Selectively Functionalized Graphite
- Bae, Seo-Yoon; Jeon, In-Yup; Yang, Jieun; Park, Noejung; Shin, Hyeon Suk; Park, Sungjin; Ruoff, Rodney S.; Dai, Liming; Baek, Jong-Beom
- Electrically conductive; Functionalizations; Functionalized; Scalable production; Silicon oxide substrates; Solution casting; solution processing
- Issue Date
- AMER CHEMICAL SOC
- ACS NANO, v.5, no.6, pp.4974 - 4980
- We report edge-selective functionalization of graphite (EFG) for the production of large-area uniform graphene films by simply solution-casting EFG dispersions In dichloromethane on silicon oxide substrates, followed by annealing. The resultant graphene films show ambipolar transport properties with sheet resistances of 0.52-3.11 K Omega/sq at 63-90% optical transmittance. EFG allows solution processing methods for the scalable production of electrically conductive, optically transparent, and mechanically robust flexible graphene films for use in practice.
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