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首页> 外文会议>ACS Symposium Series 890; Symposium on Nanotechnology and the Environment: Applications and Implications; ; >Molecular-Dynamics Simulation of Forces between Colloidal Nanoparticles
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Molecular-Dynamics Simulation of Forces between Colloidal Nanoparticles

机译：胶体纳米粒子之间力的分子动力学模拟

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摘要

Nanoparticles hold great promise for a diverse array of materials applications, ranging from electronic circuits to bulk materials with novel mechanical properties to biological materials. Many applications involve colloidal nanoparticles, whose effective use in nanotechnology hinges on their selective assembly or their stabilization against aggregation. Various methods have been used to stabilize colloidal nanoparticles; however all involve dispersant molecules such as surfactants or polyelectroiytes. Not only do these dispersants alter the chemistry and physics of nanoparticle systems, but since they occupy a significant mass fraction of a nanoparticle system, they produce a tremendous waste stream during processing. An improved understanding of the forces between "bare" colloidal nanoparticles could lead to new and environmentally beneficial strategies for engineering colloidal nanoparticle suspensions.
机译：纳米粒子有望用于各种各样的材料应用，从电子电路到具有新颖机械性能的块状材料再到生物材料。许多应用涉及胶体纳米颗粒，其在纳米技术中的有效使用取决于其选择性组装或针对聚集的稳定性。已经使用了各种方法来稳定胶体纳米颗粒。然而，所有这些都涉及分散剂分子，例如表面活性剂或聚电解质。这些分散剂不仅改变了纳米粒子系统的化学和物理性质，而且由于它们占据了纳米粒子系统的大部分质量分数，因此在加工过程中会产生巨大的废物流。对“裸露”胶体纳米颗粒之间作用力的更好理解可能会导致对胶体纳米颗粒悬浮液进行工程改造的新的，对环境有益的策略。

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