Eu3+-Based Bridged Silsesquioxanes for Transparent Luminescent Solar Concentrators

Vania T Freitas; Lianshe Fu; Ana M Cojocariu; Xavier Catoen; John R Bartlett; Rozenn Le Parc; Jean-Louis Bantignies; Michel Wong Chi Man; Paulo S Andre; Rute A S Ferreira; Luis D Carlos

doi:10.1021/acsami.5b01281

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Eu3+-Based Bridged Silsesquioxanes for Transparent Luminescent Solar Concentrators

Journal article

Peer reviewed

Eu3+-Based Bridged Silsesquioxanes for Transparent Luminescent Solar Concentrators

Vania T Freitas, Lianshe Fu, Ana M Cojocariu, Xavier Catoen, John R Bartlett, Rozenn Le Parc, Jean-Louis Bantignies, Michel Wong Chi Man, Paulo S Andre, Rute A S Ferreira, …

ACS Applied Materials and Interfaces, Vol.7, pp.8770-8778

2015

DOI: https://doi.org/10.1021/acsami.5b01281

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Abstract

sol-gel preparation

bridged silsesquioxane

The sol-gel preparation of a bridged silsesquioxane containing europium (III) salts and 2-thienoyltrifluoracetonate has been achieved from a new ethane tetracarboxamide-based organosilane. Free-standing films with thicknesses up to 440 μm and maximum absolute quantum yield (q) of 0.34±0.03 (excitation at 320 nm) were prepared by the drop cast method, while thin films (200-400 nm) spin-coated on glass substrates led to highly luminescent coatings with q=0.60±0.02 (excitation at 345 nm). The thin films were tested as luminescent solar concentrators and the optimized device displays an optical conversion efficiency of 12.3% in the absorbing spectral region of the active layer (300-380 nm).

Details

Title: Eu3+-Based Bridged Silsesquioxanes for Transparent Luminescent Solar Concentrators
Authors: Vania T Freitas (Author) - University of Aveiro, Portugal
Lianshe Fu (Author) - University of Aveiro, Portugal
Ana M Cojocariu (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and Engineering
Xavier Catoen (Author) - Univ Grenoble-Alpes, France
John R Bartlett (Author) - University of the Sunshine Coast - Faculty of Science, Health, Education and Engineering
Rozenn Le Parc (Author) - Université de Montpellier, France
Jean-Louis Bantignies (Author) - Université de Montpellier, France
Michel Wong Chi Man (Author) - Institut Charles Gerhardt Montpellier, France
Paulo S Andre (Author) - University of Aveiro, Portugal
Rute A S Ferreira (Author) - University of Aveiro, Portugal
Luis D Carlos (Author) - University of Aveiro, Portugal
Publication details: ACS Applied Materials and Interfaces, Vol.7, pp.8770-8778
Publisher: American Chemical Society
Date published: 2015
DOI: 10.1021/acsami.5b01281
ISSN: 1944-8244
Organisation Unit: School of Science and Engineering - Legacy; University of the Sunshine Coast, Queensland
Language: English
Record Identifier: 99449941302621
Output Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Web Of Science research areas: Materials Science, Multidisciplinary; Nanoscience & Nanotechnology

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