20 April 2006 Light-harvesting host-guest antenna materials for photonic devices
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Dye-loaded zeolite L host-guest materials were already successfully used in the realisation of efficient light-harvesting antenna systems. A new hierarchy of structural order is introduced by arranging the zeolite L crystals into densely packed, oriented monolayers on a substrate. In device engineering, a high degree of supramolecular organisation is a prerequisite for achieving desired macroscopic properties. The methods we developed to synthesise such monolayers, to fill them with dyes and to terminate them with a luminescent stopcock will be discussed as well as their influence on the design of novel materials. By subsequent insertion of two different types of dye molecules in a zeolite L monolayer, the first unidirectional antenna system was realised. UV-VIS absorption as well as NIR luminescence spectroscopy was carried out on dye-loaded zeolite L monolayers. We also report a novel concept for the preparation of thin layer, silicon based solar cells.
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Gion Calzaferri, Stefan Huber, André Devaux, Arantzazu Zabala Ruiz, Huanrong Li, Olivia Bossart, Le-Quyenh Dieu, "Light-harvesting host-guest antenna materials for photonic devices", Proc. SPIE 6192, Organic Optoelectronics and Photonics II, 619216 (20 April 2006); doi: 10.1117/12.665510; https://doi.org/10.1117/12.665510

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