期刊
INTEGRATED FERROELECTRICS
卷 117, 期 -, 页码 40-48出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/10584587.2010.489421
关键词
Carbon nitride; chemical vapour deposition; XRD; FTIR; chemical structure
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 (C(6)H(5)N(3)) 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-C(3)N(4) and beta-C(3)N(4) in the background of graphitic C(3)N(4). The size of the nanocrystals estimated from the SEM images is similar to 100 nm.
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