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Synthesis of Nano Structured Carbon Nitride by Pyrolysis Assisted Chemical Vapour Deposition

Ramesh, K and Prashantha, M and Reddy, Koteeswara N and Gopal, ESR (2010) Synthesis of Nano Structured Carbon Nitride by Pyrolysis Assisted Chemical Vapour Deposition. In: Integrated Ferroelectrics, 117 . pp. 40-48.

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Nanostructured carbon nitride films were prepared by pyrolysis assisted chemical vapour deposition. A two zone furnace with a uniform temperature over a length of 20 cm in both the zones was built. The precursor Azabenzimidazole (C6H5N3) taken in a quartz tube was evaporated at zone A and pyrolysed at zone B at a temperature of 800 degrees C. The FTIR spectrum of the prepared sample shows peaks at 1272 cm(-1) and 1591 cm(-1) corresponding to C-N stretching and C=N respectively, which confirms the bonding of nitrogen with carbon. Raman D and G peaks are observed at 1357 cm(-1) and 1560 cm(-1) respectively. X-ray photoelectron spectroscopy (XPS) shows the formation of pi bonding between carbon and nitrogen atoms. These observations along with XRD analysis show the formation of crystallites of alpha-C3N4 and beta-C3N4 in the background of graphitic C3N4. The size of the nanocrystals estimated from the SEM images is similar to 100 nm.

Item Type: Journal Article
Publication: Integrated Ferroelectrics
Publisher: Taylor and Francis Group
Additional Information: Copyright of this article belongs to Taylor and Francis Group.
Keywords: Carbon nitride;chemical vapour deposition;XRD;FTIR;chemical structure
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 08 Apr 2011 05:49
Last Modified: 08 Apr 2011 05:49
URI: http://eprints.iisc.ac.in/id/eprint/36584

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