Dual Amplified Spontaneous Emission and Lasing from Nanographene Films
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Título: | Dual Amplified Spontaneous Emission and Lasing from Nanographene Films |
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Autor/es: | Muñoz-Mármol, Rafael | Bonal, Víctor | Paternò, Giuseppe M. | Ross, Aaron M. | Boj, Pedro G. | Villalvilla, José M. | Quintana, José A. | Scotognella, Francesco | D’Andrea, Cosimo | Sardar, Samim | Lanzani, Guglielmo | Gu, Yanwei | Wu, Jishan | Díaz-García, María A. |
Grupo/s de investigación o GITE: | Física de la Materia Condensada |
Centro, Departamento o Servicio: | Universidad de Alicante. Departamento de Física Aplicada | Universidad de Alicante. Departamento de Óptica, Farmacología y Anatomía | Universidad de Alicante. Instituto Universitario de Materiales |
Palabras clave: | Organic lasers | Amplified spontaneous emission | Nanographenes |
Área/s de conocimiento: | Física Aplicada | Física de la Materia Condensada | Óptica |
Fecha de publicación: | 4-ago-2020 |
Editor: | MDPI |
Cita bibliográfica: | Muñoz-Mármol R, Bonal V, Paternò GM, Ross AM, Boj PG, Villalvilla JM, Quintana JA, Scotognella F, D’Andrea C, Sardar S, Lanzani G, Gu Y, Wu J, Díaz-García MA. Dual Amplified Spontaneous Emission and Lasing from Nanographene Films. Nanomaterials. 2020; 10(8):1525. https://doi.org/10.3390/nano10081525 |
Resumen: | Chemically synthesized zigzag-edged nanographenes (NG) have recently demonstrated great success as the active laser units in solution-processed organic distributed feedback (DFB) lasers. Here, we report the first observation of dual amplified spontaneous emission (ASE) from a large-size NG derivative (with 12 benzenoid rings) dispersed in a polystyrene film. ASE is observed simultaneously at the 685 and 739 nm wavelengths, which correspond to different transitions of the photoluminescence spectrum. Ultrafast pump-probe spectroscopy has been used to ascertain the underlying photophysical processes taking place in the films. DFB lasers, based on these materials and top-layer nanostructured polymeric resonators (i.e., one or two-dimensional surface relief gratings), have been fabricated and characterized. Lasers emitting close to either one of the two possible ASE wavelengths, or simultaneously at both of them, have been prepared by proper selection of the resonator parameters. |
Patrocinador/es: | The Alicante team was funded by Spanish Government (MINECO) and European Community (FEDER), grant number MAT2015-66586-R. The researcher R.M-M was funded by a MINECO FPI fellowship (No. BES-2016-077681). The Singapore team was funded by the NRF Investigatorship programme (NRF-NRFI05-2019-0005). The Milan team has received funding from the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation programme (grant agreement No. 816313). G.M.P. acknowledges funding from Fondazione Cariplo, grant No. 2018-0979. C.D. and S.S. acknowledge funding from ERC Starting Grant SOLENALGAE (No. 679814). |
URI: | http://hdl.handle.net/10045/108658 |
ISSN: | 2079-4991 |
DOI: | 10.3390/nano10081525 |
Idioma: | eng |
Tipo: | info:eu-repo/semantics/article |
Derechos: | © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). |
Revisión científica: | si |
Versión del editor: | https://doi.org/10.3390/nano10081525 |
Aparece en las colecciones: | INV - Física de la Materia Condensada - Artículos de Revistas Investigaciones financiadas por la UE |
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