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S. Kataria, Avinash Patsha, S. Dhara, A. K. Tyagi and Harish C. Barshilia Raman imaging on high-quality graphene grown by hot-filament chemical vapor deposition Journal of Raman Spectroscopy 43

Version of Record online: 1 AUG 2012 | DOI: 10.1002/jrs.4113

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High-quality graphene on Cu foils and its subsequent in-situ hydrogenation by hot-filament chemical vapor deposition technique using CH4 and H2 gas mixture are reported. Micro-Raman spectroscopic along with area mapping studies confirm growth of monolayer graphene as inferred from the intensity ratio of 2D to G peak which is nearly four in unhydrogenated samples. The grown layer is also transferred onto a Si substrate over ~10 × 10 mm sq. area.

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