Zobrazeno 1 - 10 of 102 pro vyhledávání: '"Mauricio E Calvo"'
1
Akademický článek
Exciton-carrier coupling in a metal halide perovskite nanocrystal assembly probed by two-dimensional coherent spectroscopy
Autor: Esteban Rojas-Gatjens, David Otto Tiede, Katherine A Koch, Carlos Romero-Perez, Juan F Galisteo-López, Mauricio E Calvo, Hernán Míguez, Ajay Ram Srimath Kandada
Publikováno v: JPhys Materials, Vol 7, Iss 2, p 025002 (2024)
The surface chemistry and inter-connectivity within perovskite nanocrystals play a critical role in determining the electronic interactions. They manifest in the Coulomb screening of electron–hole correlations and the carrier relaxation dynamics, a
Externí odkaz: https://doaj.org/article/90db6486e2ed4cf1be8c054a4d427ae0
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2
Determination of the optical constants of ligand-free organic lead halide perovskite quantum dots
Autor: Andrea Rubino, Gabriel Lozano, Mauricio E. Calvo, Hernán Míguez
Publikováno v: Nanoscale. 15:2553-2560
Precise knowledge of the optical constants of perovskite lead halide quantum dots (QDs) is required to both understand their interaction with light and to rationally design and optimize the devices based on them. However, their determination from col
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1799805a401e66df28369b393bc38004
https://doi.org/10.1039/d2nr05109e
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3
Akademický článek
Nanoparticle Bragg reflectors: A smart analytical tool for biosensing
Autor: Victoria González-Pedro, Mauricio E. Calvo, Hernán Míguez, Ángel Maquieira
Publikováno v: Biosensors and Bioelectronics: X, Vol 1, Iss , Pp - (2019)
In this work, we present a novel optical biosensor based on periodically alternated layers of SiO2 and TiO2 nanoparticles grown by wet methods and working as a Bragg mirror in a label free format. The sensing principle relies on the change of the opt
Externí odkaz: https://doaj.org/article/da2368257d2f4cbe941d82fbc3fab062
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4
Responsive Optical Materials Based on Ligand-Free Perovskite Quantum Dots Embedded in Mesoporous Scaffolds
Autor: Carlos Romero-Pérez, Andrea Zanetta, Natalia Fernández-Delgado, Miriam Herrera-Collado, Jesús Hernández-Saz, Sergio Ignacio Molina, Laura Caliò, Mauricio E. Calvo, Hernán Míguez
Publikováno v: ACS applied materialsinterfaces.
Herein we show that dispersing inorganic cesium lead bromide (CsPbBr3) perovskite quantum dots (QDs) in optical quality films, possessing an accessible and controlled pore size distribution, gives rise to fluorescent materials with a controlled and h
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a03da2c8af4e1970e4967420165b5bc3
https://pubmed.ncbi.nlm.nih.gov/36534002
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6
Local Rearrangement of the Iodide Defect Structure Determines the Phase Segregation Effect in Mixed-Halide Perovskites
Autor: Hernán Míguez, Juan F. Galisteo-López, David O. Tiede, Mauricio E. Calvo
Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
instname
Mixed-halide perovskites represent a particularly relevant case within the family of lead-halide perovskites. Beyond their technological relevance for a variety of optoelectronic devices, photoinduced structural changes characteristic of this type of
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::20102f81d1d881cad4e6dd0c3cfc9033
https://doi.org/10.1021/acs.jpclett.0c01127
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7
Optical Responses of Localized and Extended Modes in a Mesoporous Layer on Plasmonic Array to Isopropanol Vapor
Autor: Ryosuke Kamakura, Mauricio E. Calvo, Taisuke Atsumi, Elena Cabello-Olmo, Katsuhisa Tanaka, Gabriel Lozano, Hernán Míguez, Shunsuke Murai
Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
instname
idUS. Depósito de Investigación de la Universidad de Sevilla
The Journal of Physical Chemistry C
The Journal of Physical Chemistry. C, Nanomaterials and Interfaces
Mesoporous silica features open and accessible pores that can intake substances from the outside. The combination of mesoporous silica with plasmonic nanostructures represents an interesting platform for an optical sensor based on the dependence of p
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8bc902d8fc636021d9a6d454e4a2e03e
https://doi.org/10.1021/acs.jpcc.9b10999
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8
Optoelectronic Devices Based on Scaffold Stabilized Black-Phase CsPbI3 Nanocrystals
Autor: Carlos Romero‐Pérez, Andrea Rubino, Laura Caliò, Mauricio E. Calvo, Hernán Míguez
Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
instname
The optoelectronic properties of lead halide perovskites are intimately related to their crystalline phase. For the case of cesium lead iodide (CsPbI3) several polymorphs meet the Goldschmidt tolerance factor, which determines their stability, and fo
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6701a7c317fffbee7fe180b3bd16818a
http://hdl.handle.net/10261/282427
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10
Disentangling Electron–Phonon Coupling and Thermal Expansion Effects in the Band Gap Renormalization of Perovskite Nanocrystals
Autor: Mauricio E. Calvo, Hernán Míguez, Adrián Francisco-López, Annamaria Petrozza, Alejandro R. Goñi, Andrea Rubino, Alex J. Barker
Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
instname
Digital.CSIC: Repositorio Institucional del CSIC
Consejo Superior de Investigaciones Científicas (CSIC)
The complex electron−phonon interaction occurring in bulk lead halide perovskites gives rise to anomalous temperature dependences, like the widening of the electronic band gap as temperature increases. However, possible confinement effects on the e
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fa4372334e4582258dfd9f5c27689796
http://hdl.handle.net/10261/245657
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