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SELF AND DIRECTED COLLOIDAL ASSEMBLY ON PATTERNED ELECTRODES

机译:图案化电极上的自定向胶体组装

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摘要

Clustering of colloidal particles near an electrode surface during and after electrophoretic deposition has been reported in the literature. The aggregation of colloidal particles has made the precise assembly of two and three dimensional colloidal crystals possible. In this paper, we demonstrate the use of external electric fields to sensitively tune the interactions between colloidal particles to form ordered structures. The directed assembly of colloidal particles on patterned electrode surfaces is also investigated as a means of building three-dimensional nanostructures. Finally, a new method to map potential energy landscapes of templated substrates using a diffusing colloidal particle as a sensitive local energy probe is described.
机译:文献报道了在电泳沉积期间和之后,在电极表面附近的胶体颗粒的聚集。胶体颗粒的聚集使二维和三维胶体晶体的精确组装成为可能。在本文中,我们演示了使用外部电场敏感地调整胶体颗粒之间的相互作用以形成有序结构的方法。还研究了胶体颗粒在图案化电极表面上的定向组装,作为建立三维纳米结构的一种手段。最后,描述了一种新的方法,该方法使用扩散的胶体颗粒作为敏感的局部能量探针来绘制模板化衬底的势能图。

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