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通过自组装单层模板控制分子晶体多态性

Rupa Hiremath1, Joseph A Basile, Stephen W Varney

  • 1Department of Chemistry, Georgetown University, 37th and "O" Streets NW, Washington, DC 20057-1227, USA.

Journal of the American Chemical Society
|December 22, 2005
PubMed
概括

在1,3-bis(m-nitrophenyl) 尿素 (MNPU) 中控制晶体多态性是使用金-醇自组装单层 (SAM) 实现的. 这些SAM选择性地模拟特定MNPU晶体相的核和生长,确保高纯度.

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Polymer Classification: Crystallinity01:21

Polymer Classification: Crystallinity

Unlike ionic or small covalent molecules, polymers do not form crystalline solids due to the diffusion limitations of their long-chain structures. However, polymers contain microscopic crystalline domains separated by amorphous domains.
Crystalline domains are the regions where polymer chains are aligned in an orderly manner and held together in proximity by intermolecular forces. For example, chains in the crystalline domains of polyethylene and nylon are bound together by van der Waals...