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Large-area flexible colloidal photonic crystal film stickers for light trapping applications
Author(s) -
T. Kohoutek,
Mikhail Parchine,
Maria Bardosova,
Hiroshi Fudouzi,
Martyn E. Pemble
Publication year - 2018
Publication title -
optical materials express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.925
H-Index - 66
ISSN - 2159-3930
DOI - 10.1364/ome.8.000960
Subject(s) - materials science , photonic crystal , colloidal crystal , monolayer , photovoltaics , polyvinyl alcohol , optoelectronics , energy conversion efficiency , polymer , colloid , nanotechnology , photovoltaic system , optics , chemical engineering , composite material , ecology , physics , biology , engineering
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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