TY - JOUR
T1 - Polymer-templated self-assembly of a 2-dimensional gold nanoparticle network
AU - Hansen, Christian Rein
AU - Westerlund, Fredrik
AU - Moth-Poulsen, Kasper
AU - Ravindranath, Renu
AU - Valiyaveettil, Suresh
AU - Bjørnholm, Thomas
N1 - Paper id:: DOI: 10.1021/la703479w
PY - 2008
Y1 - 2008
N2 - 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-Schafer) 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.
AB - 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-Schafer) 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.
M3 - Journal article
VL - 24
SP - 3905
EP - 3910
JO - Langmuir
JF - Langmuir
SN - 0743-7463
IS - 8
ER -