Authors: Clare McCabe; Sharon C. Glotzer; John Kieffer; Matthew Neurock; Peter T. Cummings

Source: Journal of Computational and Theoretical Nanoscience, Volume 1, Number 3, October 2004 , pp. 265-279(15)

Publisher: American Scientific Publishers

Abstract:

Polyhedral oligomeric silsesquioxane (POSS) molecules are unique nanometer-sized inorganic– organic hybrid structures based on a (SiO_1.5)₈ core. Depending on the functionalization of the POSS cages, the resulting systems can be solid or liquid, or, upon cross-linking, turned into a network. Although much is known experimentally about the chemical synthesis of POSS systems, very little theoretical understanding exists at the molecular level or beyond. In particular, the way in which individual POSS molecules can be assembled and manipulated at the nanoscale to form meso- and macroscale systems has not been investigated previously. The overall goal of our work is to develop a multiscale computational framework to simulate the synthesis and self- and guided-assembly of POSS systems. In this report we present an overview of the computational approach on which this framework is based, which combines simulation techniques at the electronic, atomistic, and mesoscale levels, and discuss progress in each of these areas.

Keywords: POLYHEDRAL OLIGOMERIC SILSEQUIOXANES; POSS; MULTISCALE SIMULATION

Document Type: Research article

DOI: http://dx.doi.org/10.1166/jctn.2004.024

Publication date: 2004-10-01

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• Journal of Computational and Theoretical Nanoscience is an international peer-reviewed journal with a wide-ranging coverage, consolidates research activities in all aspects of computational and theoretical nanoscience into a single reference source. This journal offers scientists and engineers peer-reviewed research papers in all aspects of computational and theoretical nanoscience and nanotechnology in chemistry, physics, materials science, engineering and biology to publish original full papers and timely state-of-the-art reviews and short communications encompassing the fundamental and applied research.
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