期刊
JOURNAL OF COMPUTATIONAL AND THEORETICAL NANOSCIENCE
卷 1, 期 3, 页码 265-279出版社
AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/jctn.2004.024
关键词
Polyhedral Oligomeric Silsequioxanes; POSS; Multiscale Simulation
类别
资金
- National Science Foundation [DMR-0103399]
Polyhedral oligomeric silsesquioxane (POSS) molecules are unique nanometer-sized inorganic-organic hybrid structures based on a (SiO1.5)(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.
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