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Royal Society of Chemistry, Soft Matter, 8(7), p. 3721

DOI: 10.1039/c0sm01320j

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Continuously tuneable optical filters from self-assembled block copolymer blends

Journal article published in 2011 by Andrew J. Parnell ORCID, Andrew Pryke, Oleksandr O. Mykhaylyk, Jonathan R. Howse, A.-L.-I. M. Adawi, Nicholas J. Terrill ORCID, J. Patrick A. Fairclough, J. Patrick A. Fairclough
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This paper is available in a repository.

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Abstract

We demonstrate that two symmetric high molecular weight diblock copolymers, of differing molecular weights, can be blended together and subsequently shear aligned to form one photonic structure without macrophase separation. The lameller period depends on the composition of the blend and gives a photonic structure that is easily tuneable in the wavelength range (λpeak = 400–850 nm).