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Graphene

The advent of graphene has pushed several researchers in the field of carbon nanoscience to explore the exciting properties of this material. We have focused on the CVD growth of graphene as well as its characterization, patterning, chemical functionalization and applications in areas such as energy storage. The use of graphene as a building block in the design of novel two-dimensional atomic layer hybrids and new types of van der Waals solids are present interests.


Publications

J. Wu, M. Liu, P. P. Sharma, R. M. Yadav, L. Ma, Y. Yang, X. Zou, X.-D. Zhou, R. Vajtai, B. I. Yakobson, J. Lou, P. M. Ajayan, “Incorporation of Nitrogen Defects for Efficient Reduction of CO2 via Two-Electron Pathway on Three-Dimensional Graphene Foam,” Nano Letters, 16 (1): 466-470 (2016). Read Article

H. Huang, G. Ye, S. Yang, H. Fei, C. S. Tiwary, Y. Gong, R. Vajtai, J. M. Tour, X. Wang, P. M. Ajayan, “Nanosized Pt anchored onto 3D nitrogen-doped graphene nanoribbons towards efficient methanol electrooxidation,” J Mater Chem A 3 (39): 19696-19701 (2015). Read Article

J. Yao, B. Liu, S. Ozden, J. Wu, S. Yang, M.-T.F. Rodrigues, K. Kalaga, P. Dong, P. Xiao, Y. Zhang, R. Vajtai, P.M. Ajayan, “3D Nanostructured Molybdenum Diselenide/Graphene Foam as Anodes for Long-Cycle Life Lithium-ion Batteries”, Electrochimica Acta 176: 103-111 (2015). Read Article

J. Wu, L. Ma, R.M. Yadav, Y. Yang, X. Zhang, R. Vajtai, J. Lou, P.M. Ajayan, “Nitrogen-Doped Graphene with Pyridinic Dominance as a Highly Active and Stable Electrocatalyst for Oxygen Reduction”, ACS Applied Materials & Interfaces 7(27): 14763-14769 (2015). Read Article

Y. Gong, H. Fei, X. Zou, W. Zhou, S. Yang, G. Ye, Z. Liu, Z. Peng, J. Lou, R. Vajtai, B. I. Yakobson, J. M. Tour, P. M. Ajayan, “Boron- and Nitrogen-Substituted Graphene Nanoribbons as Efficient Catalysts for Oxygen Reduction Reaction”, Chemistry of Materials 27(4), 1181-1186 (2015). Read Article

Y. J. Gong, G. Shi, Z. H. Zhang, W. Zhou, J. Jung, W. L. Gao, L. L. Ma, Y. Yang, S. B. Yang, G. You, R. Vajtai, Q. F. Xu, A. H. MacDonald, B. I. Yakobson, J. Lou, Z. Liu, P. M. Ajayan, Direct chemical conversion of graphene to boron- and nitrogen- and carbon-containing atomic layers. Nature communications 5, (2014). Read Article

Z. Liu, L. Ma, G. Shi, W. Zhou, Y. Gong, S. Lei, X. Yang, J. Zhang, J. Yu, K. P. Hackenberg, A. Babakhani, J. C. Idrobo, R. Vajtai, J. Lou, P. M. Ajayan, In-plane heterostructures of graphene and hexagonal boron nitride with controlled domain sizes. Nature nanotechnology 8, 119 (2013). Read Article

Y. J. Gong, S. B. Yang, Z. Liu, L. L. Ma, R. Vajtai, P. M. Ajayan, Graphene-Network-Backboned Architectures for High-Performance Lithium Storage. Advanced materials 25, 3979 (2013). Read Article

J. Peng, W. Gao, B. K. Gupta, Z. Liu, R. Romero-Aburto, L. Ge, L. Song, L. B. Alemany, X. Zhan, G. Gao, S. A. Vithayathil, B. A. Kaipparettu, A. A. Marti, T. Hayashi, J.-J. Zhu, P. M. Ajayan, Graphene Quantum Dots Derived from Carbon Fibers. Nano letters 12, 844 (2012). Read Article

J. J. Yoo, K. Balakrishnan, J. Huang, V. Meunier, B. G. Sumpter, A. Srivastava, M. Conway, A. L. Mohana Reddy, J. Yu, R. Vajtai, P. M. Ajayan, Ultrathin Planar Graphene Supercapacitors. Nano letters 11, 1423 (2011). Read Article

W. Gao, N. Singh, L. Song, Z. Liu, A. L. M. Reddy, L. Ci, R. Vajtai, Q. Zhang, B. Wei, P. M. Ajayan, Direct laser writing of micro-supercapacitors on hydrated graphite oxide films. Nature Nanotechnology 6, 496 (2011). Read Article