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Download fileOptical Epitaxial Growth of Gold Nanoparticle Arrays
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posted on 09.09.2015, 00:00 by Ningfeng Huang, Luis Javier Martínez, Eric Jaquay, Aiichiro Nakano, Michelle L. PovinelliWe
use an optical analogue of epitaxial growth to assemble gold nanoparticles
into 2D arrays. Particles are attracted to a growth template via optical
forces and interact through optical binding. Competition between effects
determines the final particle arrangements. We use a Monte Carlo model
to design a template that favors growth of hexagonal particle arrays.
We experimentally demonstrate growth of a highly stable array of 50
gold particles with 200 nm diameter, spaced by 1.1 μm.