Listar por autoría "031a4c32-8ef3-4a0e-b09d-47ab0ccd552c"
Mostrando ítems 1-20 de 23
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Directional and Polarized Lasing Action on Pb-free FASnI3 Integrated in Flexible Optical Waveguide
Suárez, Isaac; Chirvony, Vladimir; Sanchez-Diaz, Jesus; S. Sánchez, Rafael; Mora-Sero, Ivan; Martínez-Pastor, Juan P. (2022)In this work, high-quality FASnI3 (FA, formamidinium) lead-free perovskite thin films are successfully incorporated in a flexible polyethylene terephthalate (PET) substrate to demonstrate amplified spontaneous emission ... -
Enhanced nanoscopy of individual CsPbBr3 perovskite nanocrystals using dielectric sub-micrometric antennas
Suárez, Isaac; Wood, Thomas; Martínez-Pastor, Juan P.; Balestri, Dario; Checcucci, Simona; DAVID, Thomas; FAVRE, Luc; Claude, Jean-Benoît; Grosso, David; Gualdrón Reyes, Andrés Fabián; Mora-Sero, Ivan; Abbarchi, Marco; Gurioli, Massimo AIP Publishing (2020-02-11)We demonstrate an efficient, simple, and low-cost approach for enhanced nanoscopy in individual green emitting perovskite (CsPbBr3)nanocrystals via TiO2dielectric nanoantenna. The observed three- to five-fold ... -
Enhanced spontaneous emission of CsPbI3 perovskite nanocrystals using a hyperbolic metamaterial modified by dielectric nanoantenna
Pashaei Adl, Hamid; Gorji, Setatira; Gualdrón Reyes, Andrés Fabián; Mora-Sero, Ivan; Suárez, Isaac; Martínez-Pastor, Juan P. MDPI (2022-12-20)In this work, we demonstrate, theoretically and experimentally, a hybrid dielectric-plasmonic multifunctional structure able to provide full control of the emission properties of CsPbI3 perovskite nanocrystals (PNCs). The ... -
Enhancement of the Performance of Perovskite Solar Cells, LEDs, and Optical Amplifiers by Anti-Solvent Additive Deposition
Ngo, Thi Tuyen; Suárez, Isaac; Antonicelli, Gabriella; Cortizo-Lacalle, Diego; Martínez-Pastor, Juan P.; Mateo-Alonso, Aurelio; Mora-Sero, Ivan Wiley (2017-02-17)The efficiency of perovskite optoelectronic devices is increased by a novel method; its suitability for perovskite solar cells, light-emitting diodes, and optical amplifiers is demonstrated. The method is based on the ... -
Inhomogeneous Broadening of Photoluminescence Spectra and Kinetics of Nanometer-Thick (Phenethylammonium)2PbI4 Perovskite Thin Films: Implications for Optoelectronics
Chirvony, Vladimir; Suárez, Isaac; Rodríguez Romero, Jesús; Vázquez-Cárdenas, Rubén; Sanchez-Diaz, Jesus; Molina-Sánchez, Alejandro; Barea, Eva M; Mora-Sero, Ivan; Martínez-Pastor, Juan P. American Chemical Society (2021-06-16)An outstanding potentiality of layered two-dimensional (2D) organic–inorganic hybrid perovskites (2DHPs) is in the development of solar cells, photodetectors, and light-emitting diodes. In 2DHPs, an exciton is localized ... -
Integrated Optical Amplifier–Photodetector on a Wearable Nanocellulose Substrate
Suárez, Isaac; Hassanabadi, Ehsan; Maulu, Alberto; Carlino, Niccolò; Maestri, Cecilia Ada; Latifi, Masoud; Bettotti, Paolo; Mora-Sero, Ivan; Martínez-Pastor, Juan P. Wiley (2018)Flexible optoelectronics has emerged as an outstanding platform to pave the road toward vanguard technology advancements. As compared to conventional rigid substrates, a flexible technology enables mechanical deformation ... -
Interpretation of the photoluminescence decay kinetics in metal halide perovskite nanocrystals and thin polycrystalline films
Chirvony, Vladimir; Sekerbayev, Kairolla; Pashaei Adl, Hamid; Suárez, Isaac; Taurbayev, Yerzhan; Gualdrón Reyes, Andrés Fabián; Mora-Sero, Ivan; Martínez-Pastor, Juan P. Elsevier (2020-05)In this paper we present critical analysis of different points of view on interpretation of the photoluminescence (PL) decay kinetics in lead halide perovskites prepared in the form of well passivated nanocrystals (PNCs) ... -
Lead-free FASnI3 laser amplifiers integrated in flexible waveguides
Suárez, Isaac; Chirvony, Vladimir; Sánchez-Díaz, Jesús; Sánchez, Rafael S.; Mora-Sero, Ivan; Martínez-Pastor, Juan P. Optica Publishing Group (2022)A FASnI3 lead-free perovskite is integrated in a flexible waveguide to demonstrate Amplified Spontaneous Emission. An extremely low threshold, 1 µJ/cm2, is observed together with the formation of narrow random lasing lines ... -
Mechanisms of Spontaneous and Amplified Spontaneous Emission in CH3NH3PbI3 Perovskite Thin Films Integrated in an Optical Waveguide
Suárez, Isaac; Juarez-Perez, Emilio J.; Chirvony, Vladimir; Mora-Sero, Ivan; Martínez-Pastor, Juan P. American Physical Society (2020)In this paper, the physical mechanisms responsible for optical gain in CH3NH3PbI3 (MAPI) polycrystalline thin films are investigated experimentally and theoretically. Waveguide structures composed by a MAPI film embedded ... -
Optical Amplification in Hollow-Core Negative-Curvature Fibers Doped with Perovskite CsPbBr3 Nanocrystals
Navarro-Arenas, Juan; Suárez, Isaac; Martínez-Pastor, Juan P.; Ferrando, Albert; Gualdrón Reyes, Andrés Fabián; Mora-Sero, Ivan; Gao, Shou-Fei; Wang, Ying-Ying; Wang, Pu; Sun, Zhipei MDPI (2019)We report a hollow-core negative-curvature fiber (HC-NCF) optical signal amplifier fabricated by the filling of the air microchannels of the fiber with all-inorganic CsPbBr3 perovskite nanocrystals (PNCs). The optimum ... -
Optical Optimization of the TiO2 Mesoporous Layer in Perovskite Solar Cells by the Addition of SiO2 Nanoparticles
Aeineh, Naemeh; Castro-Méndez, Andrés-Felipe; Rodriguez-Cantó, Pedro J.; Abargues, Rafael; Hassanabadi, Ehsan; Suárez, Isaac; Behjat, Abbas; Ortiz, Pablo; Martínez-Pastor, Juan P.; Mora-Sero, Ivan American Chemical Society: (2018-08-23)In this work, SiO2 nanoparticles (NPs) were integrated into the mesoporous TiO2 layer of a perovskite solar cell to investigate their effect on cell performance. Different concentrations of SiO2/ethanol have been combined ... -
Outstanding nonlinear optical properties of methylammonium- and Cs-PbX3 (X = Br, I, and Br–I) perovskites: Polycrystalline thin films and nanoparticles
Suárez, Isaac; Vallés Pelarda, Marta; Gualdrón Reyes, Andrés Fabián; Mora-Sero, Ivan; Ferrando, Albert; Michinel, Humberto; Salgueiro, José Ramón; Martínez-Pastor, Juan P. AIP Publishing (2019)Metal Halide Perovskites (MHPs) have arisen as promising materials to construct cost-effective photovoltaic and light emission devices. The study of nonlinear optical properties of MHPs is necessary to get similar success ... -
Polymer/Perovskite Amplifying Waveguides for Active Hybrid Silicon Photonics
Suárez, Isaac; Juarez-Perez, Emilio J.; Bisquert, Juan; Mora-Sero, Ivan; Martínez-Pastor, Juan P. Wiley (2015-08)The emission properties of hybrid halide perovskites are exploited to implement a stable and very low power operation waveguide optical amplifier integrated in a silicon platform. By optimizing its design with a poly(methyl ... -
Purcell Enhancement and Wavelength Shift of Emitted Light by CsPbI3 Perovskite Nanocrystals Coupled to Hyperbolic Metamaterials
Pashaei Adl, Hamid; Gorji, Setatira; Karimi Habil, Mojtaba; Suárez, Isaac; Chirvony, Vladimir; Gualdrón Reyes, Andrés Fabián; Mora-Sero, Ivan; Valencia, Luisa M.; de la Mata, María; Hernández Saz, Jesús; Molina, Sergio I.; Zapata-Rodriguez, Carlos J.; Martínez-Pastor, Juan P. American Chemical Society (2021-11-18)Manipulation of the exciton emission rate in nanocrystals of lead halide perovskites (LHPs) was demonstrated by means of coupling of excitons with a hyperbolic metamaterial (HMM) consisting of alternating thin metal (Ag) ... -
Recycled Photons Traveling Several Millimeters in Waveguides Based on CsPbBr3 Perovskite Nanocrystals
Navarro-Arenas, Juan; Suárez, Isaac; Gualdrón Reyes, Andrés Fabián; Mora-Sero, Ivan; Bisquert, Juan; Martínez-Pastor, Juan P. Wiley-VCH GmbH (2021-07-09)Reabsorption and reemission of photons, or photon recycling (PR) effect, represents an outstanding mechanism to enhance the carrier and photon densities in semiconductor thin films. This work demonstrates the propagation ... -
Single Step Deposition of an Interacting Layer of Perovskite Matrix with Embedded Quantum Dots
Ngo, Thi Tuyen; Suárez, Isaac; S. Sánchez, Rafael; Martínez-Pastor, Juan P.; Mora-Sero, Ivan Royal Society of Chemistry (2016)Hybrid lead halide perovskite (PS) derivatives have emerged as very promising materials for the development of optoelectronic devices in the last few years. At the same time, inorganic nanocrystals with quantum confinement ... -
Single-Exciton Amplified Spontaneous Emission in Thin Films of CsPbX3 (X = Br, I) Perovskite Nanocrystals
Navarro-Arenas, Juan; Suárez, Isaac; Chirvony, Vladimir; Gualdrón Reyes, Andrés Fabián; Mora-Sero, Ivan; Martínez-Pastor, Juan P. American Chemical Society (2019-09-23)CsPbX3 perovskite nanocrystals (PNCs) have emerged as an excellent material for stimulated emission purposes, with even more prospective applications than conventional colloidal quantum dots. However, a better understanding ... -
Structural characterization of bulk and nanoparticle lead halide perovskite thin films by (S)TEM techniques
Fernández Delgado, Natalia; Herrera, M.; Delgado, F. J.; Tavabi, Amir Hossein; Luysberg, M.; Dunin-Borkowski, R. E.; Juarez-Perez, Emilio J.; Clasen Hames, Bruno; Mora-Sero, Ivan; Suárez, Isaac; Martínez-Pastor, Juan P.; Molina, S. I. IOP Publishing (2019)Lead halide (APbX3) perovskites, in polycrystalline thin films but also perovskite nanoparticles (NPs) has demonstrated excellent performance to implement a new generation of photovoltaic and photonic devices. The structural ... -
Superradiance Emission and Its Thermal Decoherence in Lead Halide Perovskites Superlattices
Pashaei Adl, Hamid; Gorji, Setatira; Muñoz-Matutano, Guillermo; Gualdrón Reyes, Andrés Fabián; Suárez, Isaac; Chirvony, Vladimir; Mora-Sero, Ivan; Martínez-Pastor, Juan P. Wiley (2023-08-07)Self-assembled nanocrystals (NCs) into superlattices (SLs) are alternative materials to polycrystalline films and single crystals, which can behave very differently from their constituents, especially when they interact ... -
Tailoring Single-Mode Random Lasing of Tin Halide Perovskites Integrated in a Vertical Cavity
Pashaei Adl, Hamid; Sanchez-Diaz, Jesus; Vescio, Giovanni; Cirera, Albert; Garrido, Blas; Vinocour Pacheco, Felipe Andres; Żuraw, Wiktor; Przypis, Łukasz; Öz, Senol; Mora-Sero, Ivan; Martínez-Pastor, Juan P.; Suárez, Isaac Wiley (2024)The development of random lasing (RL) with predictable and controlled properties is an important step to make these cheap optical sources stable and reliable. However, the design of tailored RL characteristics (emission ...