Authors: Park, Ji Sun; Han, Tae Hee; Oh, Jun Kyun; Kim, Sang Ouk

Source: Journal of Nanoscience and Nanotechnology, Volume 10, Number 10, October 2010 , pp. 6954-6957(4)

Publisher: American Scientific Publishers

Abstract:

Peptide nanostructures assembled from an aromatic diphenylalanine have attracted considerable attention because of high thermal and mechanical stabilities of the assembled morphologies. Of diverse assembled structures, liquid crystalline peptide nanowires exhibiting optical and mechanical anisotropies can be a valuable building block for micro- or nano-fluidics, molecular electronics, and biological sensing. In this work, we investigated large scale patterning of liquid crystalline peptide nanowires and pattern transfer. The peptide nanowires could be highly aligned on a substrate by capillary flow over a large area. The high etching resistivity of nanowires to subsequent reactive ion etching process allowed for a successful pattern transfer of the well-aligned nanowire morphology onto the underlying SiO₂ substrate.

Keywords: DIPHENYLALANINE; PEPTIDE; NANOWIRES; PATTERNING; ETCHING PROCESS

Document Type: Research article

DOI: http://dx.doi.org/10.1166/jnn.2010.2957

Publication date: 2010-10-01

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