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Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/3912

Title: Hybrid organic/inorganic nanocomposite as a quasi-one-dimensional semiconductor under ambient conditions
Authors: Suresh Kumar, P.
Kumar, Sandeep
Lakshminarayanan, V.
Keywords: differential scanning calorimetry
discotic liquid crystals
doping profiles
electrical conductivity
gold compounds
nanocomposites
one-dimensional conductivity
optical microscopy
organic-inorganic hybrid materials
semiconductor materials
solar cells
ultraviolet spectra
visible spectra
X-ray scattering
Issue Date: 2-Nov-2009
Publisher: American Institute of Physics
Citation: Journal of Applied Physics, 2009, Vol.106, p093701
Abstract: We describe here a novel hybrid organic/inorganic nanocomposite of hexahexyloxytriphenylene (HAT6) which is a columnar discotic liquid crystal and gold tetrachloride, an inorganic dopant, showing enhanced dc and ac electrical conductivity by several orders of magnitude at ambient conditions vis-à-vis the respective pure components. The composites at appropriate concentrations of the dopants retain the columnar hexagonal phase, which is confirmed by polarizing optical microscopy, differential scanning calorimetry, and x-ray scattering techniques. The UV-vis spectral studies show that the composites absorb in the entire visible range due to the formation of radical cations of the discotic molecules, making it a potential candidate for solar cell applications.
Description: Open Access
URI: http://hdl.handle.net/2289/3912
ISSN: 1089-7550 (Online)
0148-6349
Alternative Location: http://dx.doi.org/10.1063/1.3248342
Copyright: 2009 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.
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