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HomeJournal of Nano ResearchJournal of Nano Research Vol. 17Synthesis and Study of Optical and Electrical...

Synthesis and Study of Optical and Electrical Characteristics of Single-Wall Carbon Nanotube/Gold Nanohybrid

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Abstract:

Au nanoparticles of average size 3.0 nm have been deposited on SWCNT surfaces following a very lucid wet chemical process. The SWCNT/Au nanohybrid material has been characterized using field emission scanning electron microscopy (FESEM), energy dispersive x-ray analysis (EDAX), X-ray diffraction (XRD) study and Raman spectroscopy. Both optical and electrical characteristics of the hybrid sample have been studied. The PL emission intensity of the nanohybrid structure has been found to decrease on increasing the excitation wavelength in the plasmon absorption region. High temperature DC conductivity has increased appreciably when pristine SWCNT is treated with Au NPs. Such SWCNT- supported gold nanoparticles can serve as efficient catalysts in chemical industry. Also the tendency of gold-based nanoparticles to attach with biological molecules may make them useful in medical diagnostics. Increase in conductivity of SWCNT on decorating with Au NPs can find practical application as conducting filler in polymer composites.

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Journal of Nano Research Vol. 17

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Periodical:

Journal of Nano Research (Volume 17)

Pages:

27-33

DOI:

https://doi.org/10.4028/www.scientific.net/JNanoR.17.27

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Online since:

February 2012

Authors:

Paul Rima, Apurba Krishna Mitra

Keywords:

DC Conductivity, Gold Nanoparticles (GNP), Nanohybrid, Photoluminescence (PL), Single-Wall Carbon Nanotube (SWCNT)

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