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Highly conformal fabrication of nanopatterns on non-planar surfaces

Ines Massiot (Institutionen för fysik, Bionanofotonik (Chalmers)) ; Christos Trompoukis ; Kristof Lodewijks (Institutionen för fysik, Bionanofotonik (Chalmers)) ; Valérie Depauw ; Alexandre Dmitriev (Institutionen för fysik, Bionanofotonik (Chalmers))
Nanoscale (2040-3364). Vol. 8 (2016), 22, p. 11461.
[Artikel, refereegranskad vetenskaplig]

While the number of techniques for patterning materials at the nanoscale exponentially increases, only a handful of methods approach the conformal patterning of strongly non-planar surfaces. Here, using the direct surface self-assembly of colloids by electrostatics, we produce highly conformal bottom-up nanopatterns with a short-range order. We illustrate the potential of this approach by devising functional nanopatterns on highly non-planar substrates such as pyramid-textured silicon substrates and inherently rough polycrystalline films. We further produce functionalized polycrystalline thin-film silicon solar cells with enhanced optical performance. The perspective presented here to pattern essentially any surface at the nanoscale, in particular surfaces with high inherent roughness or with microscale features, opens new possibilities in a wide range of advanced technologies from affordable photovoltaics and optoelectronics to cellular engineering.



Denna post skapades 2016-07-07. Senast ändrad 2016-09-08.
CPL Pubid: 239116

 

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Institutioner (Chalmers)

Institutionen för fysik, Bionanofotonik (Chalmers)

Ämnesområden

Fysik

Chalmers infrastruktur