<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>Synthesis of graphene directly on MgO has been carried out and the structural properties of the obtained material have been investigated. Few-layered graphene was produced by simple thermal decomposition of methane over MgO powder at 950 °C in a CVD reactor. The samples were purified by 10 N HNO3 treatment, and studied by TEM, Raman spectroscopy, EDAX and SEM. TEM clearly indicated the formation of graphene. EDAX showed that the purified sample contained only carbon and no traces of MgO. The characteristic Raman features of graphene were also seen as D-band at 1316 cm−1, G-band at 1602 cm−1, and a small 2D-band at 2700 cm−1 in the Raman spectra. The strong D-band suggests that the graphene possess large number of boundary defects. The small 2D-band indicates the formation of few-layered graphene.</p></abstract>

Synthesis of graphene directly on MgO has been carried out and the structural properties of the obtained material have been investigated. Few-layered graphene was produced by simple thermal decomposition of methane over MgO powder at 950 °C in a CVD reactor. The samples were purified by 10 N HNO3 treatment, and studied by TEM, Raman spectroscopy, EDAX and SEM. TEM clearly indicated the formation of graphene. EDAX showed that the purified sample contained only carbon and no traces of MgO. The characteristic Raman features of graphene were also seen as D-band at 1316 cm−1, G-band at 1602 cm−1, and a small 2D-band at 2700 cm−1 in the Raman spectra. The strong D-band suggests that the graphene possess large number of boundary defects. The small 2D-band indicates the formation of few-layered graphene.

CVD synthesis of graphene nanoplates on MgO support

Department of Chemistry, RTM Nagpur University, Nagpur, 440033, India

Physical and Materials Chemistry Division, National Chemical Laboratories, Pune, India

Materials Science-Poland

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"CVD synthesis of graphene nanoplates on MgO support"}

Synthesis of graphene directly on MgO has been carried out and the structural properties of the obtained material have been investigated. Few-layered graphene...

CVD synthesis of graphene nanoplates on MgO support

Publié en ligne: 22 juil. 2014

Pages: 243 - 246

DOI: https://doi.org/10.2478/s13536-013-0193-6

Mots clés
graphene, magnesium oxide, nanographene

© 2014 Wroclaw University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

CVD synthesis of graphene nanoplates on MgO support

Publié en ligne: 22 juil. 2014

Pages: 243 - 246

DOI: https://doi.org/10.2478/s13536-013-0193-6

Mots clésgraphene, magnesium oxide, nanographene

© 2014 Wroclaw University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
graphene, magnesium oxide, nanographene