Large-area flexible colloidal photonic crystal film stickers for light trapping applications

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Large-area flexible colloidal photonic crystal film stickers for light trapping applications

Kohoutek, Tomas; Parchine, Mikhail; Bardosova, Maria; Fudouzi, Hiroshi; Pemble, Martyn E.
Date: 2018
Copyright: © 2018, Optical Society of America under the terms of the OSA Open Access Publishing Agreement
Related: https://www.osapublishing.org/ome/abstract.cfm?uri=ome-8-4-960
Citation: Kohoutek, T., Parchine, M., Bardosova, M., Fudouzi, H. and Pemble, M. (2018) 'Large-area flexible colloidal photonic crystal film stickers for light trapping applications', Optical Materials Express, 8(4), pp. 960-967. doi: 10.1364/OME.8.000960
Published Version: 10.1364/OME.8.000960

Abstract:

We report on a way to make and transfer large-area (100 cm2) free-standing 2D or 3D colloidal photonic crystal (CPC) films deposited using a roll-to-roll Langmuir-Blodgett technique from silica or polymer particles. Using this approach, a ‘sticker’ composed of a monolayer array of silica particles with 120 nm diameter in polyvinyl alcohol (PVA) glue was transferred onto a commercial flexible organic photovoltaic cell improving its conversion efficiency by some 5.2-8.3% at off-normal 0°-45° angles. The results presented here open up a range of new options for application of CPC films in the areas of photovoltaics and light-emitting devices.

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