Synthesis and characterization of carbon coated nanoparticles produced by a continuous low-pressure plasma process
DSpace at IIT Bombay
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Title |
Synthesis and characterization of carbon coated nanoparticles produced by a continuous low-pressure plasma process
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Creator |
PANCHAL, V
NEERGAT, M BHANDARKAR, U |
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Subject |
RAY PHOTOELECTRON-SPECTROSCOPY
AUGER-ELECTRON-SPECTROSCOPY MAGNETIC-PROPERTIES IRON NANOPARTICLES NI NANOPARTICLES NANOPOWDERS XPS FE CO PASSIVATION Nanoparticles Core-shell structure Chemical vapor deposition Magnetic properties |
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Description |
Core-shell nanoparticles coated with carbon have been synthesized in a single chamber using a continuous and entirely low-pressure plasma-based process. Nanoparticles are formed in an argon plasma using iron pentacarbonyl Fe(CO)(5) as a precursor. These particles are trapped in a pure argon plasma by shutting off the precursor and then coated with carbon by passing acetylene along with argon as the main background gas. Characterization of the particles was carried out using TEM for morphology, XPS for elemental composition and PPMS for magnetic properties. Iron nanoparticles obtained were a mixture of FeO and Fe(3)O(4). TEM analysis shows an average size of 7-14 nm for uncoated particles and 15-24 nm for coated particles. The effect of the carbon coating on magnetic properties of the nanoparticles is studied in detail.
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Publisher |
SPRINGER
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Date |
2012-06-26T05:53:32Z
2012-06-26T05:53:32Z 2011 |
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Type |
Article
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Identifier |
JOURNAL OF NANOPARTICLE RESEARCH,13(9)3825-3833
1388-0764 http://dx.doi.org/10.1007/s11051-011-0305-3 http://dspace.library.iitb.ac.in/jspui/handle/100/13978 |
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Language |
English
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