01529nas a2200205 4500008004100000022001400041245005600055210005600111260010500167300001200272490000700284520083400291653001301125653002001138653001701158100002201175700002001197700002001217856008601237 2014 eng d a2083-133100aCVD synthesis of graphene nanoplates on MgO support0 aCVD synthesis of graphene nanoplates on MgO support aWYBRZEZE WYSPIANSKIEGO 27, 50-370 WROCLAW, POLANDbOFICYNA WYDAWNICZA POLITECHNIKI WROCLAWSKIEJcJUN a243-2460 v323 a
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 A degrees 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.
10agraphene10amagnesium oxide10ananographene1 aJugade, Ravin, M.1 aSharma, Shalini1 aGokhale, Suresh uhttp://library.ncl.res.in/content/cvd-synthesis-graphene-nanoplates-mgo-support-0