Routines for controlling nanoparticles at surfaces and interfaces

Michael Himmelhaus; Fanny Caroline; Hiroyuki Takei

doi:10.1117/12.508447

4 December 2003 Routines for controlling nanoparticles at surfaces and interfaces

Michael Himmelhaus, Fanny Caroline, Hiroyuki Takei

Proceedings Volume 5223, Physical Chemistry of Interfaces and Nanomaterials II; (2003) https://doi.org/10.1117/12.508447
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

The utilization of self-assembly mechanisms for the controlled deposition of nanoparticles at surfaces and interfaces recently has gained increasing popularity. A variety of methods, ranging from the use of purely physical phenomena to the application of chemical functionalization of the particles and/or the surface, have been proposed for the fabrication of two-dimensional mesoscopic structures based on nanoparticle assemblies. Potential applications are found in chemical and biological sensing, photonics, mesoscopic optics, and mesoscale electronics. Here, we present our recent results on the controlled deposition of monodisperse polystyrene (PS) latex particles onto chemically modified surfaces by use of small organic molecules added in proper amounts to the suspensions. In particular, the role of entropic forces in screening chemical selectivity for surface adsorption is elucidated. Thereby, a route for the controlled deposition of the PS particles onto carboxyl-functionalized surface areas utilizing carbodiimide chemistry is developed.

Citation Download Citation

Michael Himmelhaus, Fanny Caroline, and Hiroyuki Takei "Routines for controlling nanoparticles at surfaces and interfaces", Proc. SPIE 5223, Physical Chemistry of Interfaces and Nanomaterials II, (4 December 2003); https://doi.org/10.1117/12.508447

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