Hexagonally ordered arrays of metallic nanodots from thin films of functional block copolymers

Gowd, EB and Nandan, B and Bigall, NC and Eychmuller, A and Formanek, P and Stamm, M (2010) Hexagonally ordered arrays of metallic nanodots from thin films of functional block copolymers. In: Polymer, 51 (12). pp. 2661-2667.

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Abstract

We demonstrate a new and simple route to fabricate highly dense arrays of hexagonally close packed inorganic nanodots using functional diblock copolymer (PS-b-P4VP) thin films. The deposition of pre-synthesized inorganic nanoparticles selectively into the P4VP domains of PS-b-P4VP thin films, followed by removal of the polymer, led to highly ordered metallic patterns identical to the order of the starting thin film. Examples of Au, Pt and Pd nanodot arrays are presented. The affinity of the different metal nanoparticles towards P4VP chains is also understood by extending this approach to PS-b-P4VP micellar thin films. The procedure used here is simple, eco-friendly, and compatible with the existing silicon-based technology. Also the method could be applied to various other block copolymer morphologies for generating 1-dimensional (1D) and 2-dimensional (2D) structures. (c) 2010 Elsevier Ltd. All rights reserved.

Item Type:	Editorials/Short Communications
Publication:	Polymer
Publisher:	Elsevier Science
Additional Information:	Copyright of this article belongs to Elsevier Science.
Keywords:	Block copolymers Nanoparticles Nanostructures
Department/Centre:	Division of Chemical Sciences > Inorganic & Physical Chemistry
Date Deposited:	22 Jul 2010 06:43
Last Modified:	19 Sep 2010 06:12
URI:	http://eprints.iisc.ac.in/id/eprint/30941

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