Nano Archive

Formation and Growth of Molecular Nanocrystals Probed by their Optical Properties

Patra, A. and Hebalkar, N. and Sreedhar, B. and Radhakrishnan, T. P. (2007) Formation and Growth of Molecular Nanocrystals Probed by their Optical Properties. JOURNAL OF PHYSICAL CHEMISTRY C, 111 (44). pp. 16184-16191. ISSN ISSN 1932-7447

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A red fluorescent zwitterionic molecule based on the diaminodicyanoquinodimethane framework is synthesized and structurally characterized. Formation of nanocrystals of this molecule through the reprecipitation protocol is followed by examining the optical absorption and emission. Computational modeling based on molecular and crystal structures provides insight into the assembly of molecules during colloid formation. Molecular nano/microcrystals of increasing size are fabricated through a digestion procedure, and the size-dependent optical properties are investigated by spectroscopy and microscopy. Utility of polymer wrapping to arrest the growth of these crystals is described.

Item Type:Article
Subjects:Material Science > Nanochemistry
Divisions:Faculty of Engineering, Science and Mathematics > School of Chemistry
ID Code:4456
Deposited By:JNCASR
Deposited On:02 Apr 2009 10:53
Last Modified:02 Apr 2009 10:53

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