Photoluminescence of zinc oxide mesostructured films doped with Rhodamine 6G

Photoluminescence of zinc oxide mesostructured films doped with Rhodamine 6G Journal of Photochemistry and Photobiology A: Chemistry 357 (2018) 30–35 Contents lists available at ScienceDirect Journal of Photochemistry and Photobiology A: Chemistry journal home page : www.elsevier.com/locat e/jphotochem Photoluminescence of zinc oxide mesostructured films doped with Rhodamine 6G Luca Malfatti, Kazumasa Suzuki, Alois Erker, Yu Jang, Plinio Innocenzi* Laboratorio di Scienza dei Materiali e Nanotecnologie, Dipartimento di Chimica e Farmacia, Università di Sassari, CR INSTM, Via Vienna 2, 07041, Sassari, Italy A R T I C L E I N F O A B S T R A C T Article history: The photoluminescence of thin films doped with fluorescent dyes, such as rhodamine 6G (Rh6G), is Received 11 November 2017 Received in revised form 25 January 2018 strongly dependent on their concentration and aggregation states. We have doped ZnO dense and Accepted 26 January 2018 mesostructured thin films with different concentrations of Rh6G. The films have been prepared via Available online 6 February 2018 sol-gel using a block copolymer as template to obtain the mesostructured samples. Rh6G at high concentrations aggregates preferentially as not-fluorescent H-dimers in the dense samples and Keywords: fluorescent J-dimers in the mesostructured films. The dense ZnO coatings show a shift of the typical Sol-gel http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Photochemistry and Photobiology A: Chemistry Elsevier

Photoluminescence of zinc oxide mesostructured films doped with Rhodamine 6G

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Publisher
Elsevier
Copyright
Copyright © 2018 Elsevier Ltd
ISSN
1010-6030
eISSN
1873-2666
D.O.I.
10.1016/j.jphotochem.2018.01.043
Publisher site
See Article on Publisher Site

Abstract

Journal of Photochemistry and Photobiology A: Chemistry 357 (2018) 30–35 Contents lists available at ScienceDirect Journal of Photochemistry and Photobiology A: Chemistry journal home page : www.elsevier.com/locat e/jphotochem Photoluminescence of zinc oxide mesostructured films doped with Rhodamine 6G Luca Malfatti, Kazumasa Suzuki, Alois Erker, Yu Jang, Plinio Innocenzi* Laboratorio di Scienza dei Materiali e Nanotecnologie, Dipartimento di Chimica e Farmacia, Università di Sassari, CR INSTM, Via Vienna 2, 07041, Sassari, Italy A R T I C L E I N F O A B S T R A C T Article history: The photoluminescence of thin films doped with fluorescent dyes, such as rhodamine 6G (Rh6G), is Received 11 November 2017 Received in revised form 25 January 2018 strongly dependent on their concentration and aggregation states. We have doped ZnO dense and Accepted 26 January 2018 mesostructured thin films with different concentrations of Rh6G. The films have been prepared via Available online 6 February 2018 sol-gel using a block copolymer as template to obtain the mesostructured samples. Rh6G at high concentrations aggregates preferentially as not-fluorescent H-dimers in the dense samples and Keywords: fluorescent J-dimers in the mesostructured films. The dense ZnO coatings show a shift of the typical Sol-gel

Journal

Journal of Photochemistry and Photobiology A: ChemistryElsevier

Published: Apr 15, 2018

References

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