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Unusual dynamical arrest in polymer grafted nanoparticles

Kandar, AK and Srivastava, S and Basu, JK and Mukhopadhyay, MK and Seifert, S and Narayanan, S (2009) Unusual dynamical arrest in polymer grafted nanoparticles. In: Journal of Chemical Physics, 130 (12). 121102-1-121102-5.

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Abstract

We present results of temperature dependent measurements of dynamics of polymer grafted nanoparticles with high grafting density with star polymerlike morphology. We observed for the low grafting density and hence low functionality sample, a dynamically arrested state with lowering of temperature, similar to what was conjectured earlier. However the high grafting density sample shows liquidlike relaxation at all measured temperatures. Possible origin of dynamical arrest in the two grafting density sample is discussed.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to American Institute of Physics
Keywords: liquid theory; nanoparticles; polymer blends; polymer solutions
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Depositing User: Mahesh Y
Date Deposited: 16 Nov 2009 11:45
Last Modified: 19 Sep 2010 05:30
URI: http://eprints.iisc.ac.in/id/eprint/19937

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