Self-assembling nanoparticles into holographic nanopatterns

Lee, S.-H., Diana, F. S., Badolato, A. , Petroff, P. M. and Kramer, E. J. (2004) Self-assembling nanoparticles into holographic nanopatterns. Journal of Applied Physics, 95(10), 5922. (doi: 10.1063/1.1699494)

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We demonstrate a method to self-assemble metal nanoparticles into two-dimensional lattices. Monodisperse cobalt nanoparticles were synthesized within inverse micelles of polystyrene-block-poly(2-vinylpyridine) copolymer in toluene. A periodic hole pattern of photoresist (PR) was fabricated on a GaAs substrate by holographic lithography. The nanoparticles as prepared above were self-assembled onto the PR nanopatterns by dip or spin casting. They were selectively positioned in the holes due to the capillary forces related to the pattern geometry. Our study reveals that self-assembled nanoparticles in two-dimensional lattices can be obtained with a controllable number of particles per lattice point.

Item Type:Articles
Glasgow Author(s) Enlighten ID:Badolato, Professor Antonio
Authors: Lee, S.-H., Diana, F. S., Badolato, A., Petroff, P. M., and Kramer, E. J.
College/School:College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering
Journal Name:Journal of Applied Physics
Publisher:American Institute of Physics
ISSN (Online):1089-7550

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