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6. Conclusions In conclusion, we have successfully synthesized graphene by electrochemical exfoliation of graphite employing alkaline electrolyte. The as synthesized graphene has been characterized by TEM, FTIR and Raman found to have 1-4 layer of graphene, contains larger lateral extent and negligible disorder. A feasible mechanism of exfoliation based on polarisation of graphitic layers by OH- ions has been suggested. The electrostatic interaction of the graphitic layers with OH- ions which move under the influence of applied electric field leads to the exfoliation. The present study provides a proficient approach to synthesize cost effective and high-quality graphene. Acknowledgement: The authors would like to thanks Dr. Mahe Talat for graphene functionalization studies. References [1] X.S. Li, Y.W. Zhu, W.W. Cai, M. Borysiak, B.Y. Han, D. Chen, R.D. Piner, L.Colombo, R.S. Ruoff, Nano Lett. 9 (2009) 4359. [2] K.I. Bolotin, K.J. Sikes, Z. Jiang, M. Klima, G. Fudenberg, J. Hone, P. Kim, H.L. Stormer, Solid State Commun. 146 (2008) 351. [3] M.D. Stoller, S. Park, Y. Zhu, J. An, R.S. Ruoff, Nano Lett. 8 (2008) 3498. [4] C. Lee, X.D. Wei, J.W. Kysar, J. Hone, Science 321 (2008) 385. [5] A.A. Balandin, Nature Mater. 10 (2011) 569. [6] D.R. Dreyer, R.S. Ruoff, C.W. Bielawski, Angew. Chem., Int. Ed. 49 (2010) 9336. [7] A. Southard, V. Sangwan, J. Cheng, E.D. Williams, M.S. Fuhrer, Org. Electron. 10 (2009) 1556.PDF Image | Synthesis Graphene Electrochemical Exfoliation of Graphite
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