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Title: Polymer-templated self-assembly of a 2-dimensional gold nanoparticle network
Authors: Hansen, C.R.
Westerlund, F.
Moth-Poulsen, K.
Ravindranath, R.
Valiyaveettil, S. 
Bjørnholm, T.
Issue Date: 15-Apr-2008
Citation: Hansen, C.R., Westerlund, F., Moth-Poulsen, K., Ravindranath, R., Valiyaveettil, S., Bjørnholm, T. (2008-04-15). Polymer-templated self-assembly of a 2-dimensional gold nanoparticle network. Langmuir 24 (8) : 3905-3910. ScholarBank@NUS Repository.
Abstract: We here report on the formation of well-ordered 2D gold nanostructures at the air/water interface. Spreading a mixture of alkanethiol-capped gold nanoparticles (AuNPs) and an amphiphilic poly(p-phenylene) on a water surface and compressing the mixture to a surface pressure of 40 mN/m lead to the formation of a network of well-ordered gold nanostructures. The structures are transferred horizontally (Langmuir-Schäfer) onto a solid substrate and investigated with TEM, AFM, and X-ray reflectivity, showing a pattern that is repeating over several micrometers. AFM and X-ray reflectivity data at different surface pressures reveal that the polymer is lifting the AuNPs 1.5-2 nm in the vertical direction, away from the polymer layer, when the pressure is increased from 20 to 40 mN/m. © 2008 American Chemical Society.
Source Title: Langmuir
ISSN: 07437463
DOI: 10.1021/la703479w
Appears in Collections:Staff Publications

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