Listar INAM_Articles por autoría "428762fe-4d84-4ba1-a3af-6b52a2502b6a"
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2D PEA2SnI4 Inkjet-Printed Halide Perovskite LEDs on Rigid and Flexible Substrates
Vescio, Giovanni; Sanchez-Diaz, Jesus; Frieiro Castro, Juan Luis; S. Sánchez, Rafael; Hernández, Sergi; Cirera, Albert; Mora-Sero, Ivan; Garrido, Blas American Chemical Society (2022)Lead-free PEA2SnI4-based perovskite LEDs are successfully inkjet-printed on rigid and flexible substrates. Red-emitting devices (λmax = 633 nm) exhibit, under ambient conditions, a maximum external quantum efficiency ... -
A Comparative Study of Light‐Emitting Diodes Based on All‐Inorganic Perovskite Nanoparticles (CsPbBr3) Synthesized at Room Temperature and by a Hot‐Injection Method
Clasen Hames, Bruno; S. Sánchez, Rafael; Fakharuddin, Azhar; Mora-Sero, Ivan Wiley-VCH Verlag (2018-04)Perovskite nanoparticles (PeNPs) have been extensively studied for optoelectronic applications, owing to their extremely high photoluminescence quantum yield, tunable band gap, and exceptionally narrow emission spectra. ... -
Balanced change in crystal unit cell volume and strain leads to stable halide perovskite with high guanidinium content
Serafini, Patricio; Gualdrón Reyes, Andrés Fabián; S. Sánchez, Rafael; Barea, Eva M; Masi, Sofia; Mora-Sero, Ivan Royal Society of Chemistry (2022)Up-to-date studies propose that strain in halide perovskites is one of the key factors that determine a device's efficiency and stability. Here, we show a systematic approach to characterize the phenomenon in the standard ... -
Boosting Long-Term Stability of Pure Formamidinium Perovskite Solar Cells by Ambient Air Additive Assisted Fabrication
muhammed, kunnummal; Masi, Sofia; Gualdrón Reyes, Andrés Fabián; S. Sánchez, Rafael; Barea, Eva M; Kreĉmarová, Marie; Sánchez Royo, Juan Francisco; Mora-Sero, Ivan American Chemical Society (2021-09-13)Due to the high industrial interest for perovskite-based photovoltaic devices, there is an urgent need to fabricate them under ambient atmosphere, not limited to low relative humidity (RH) conditions. The formamidinium ... -
Continuous-Flow Synthesis of Orange Emitting Sn(II)-Doped CsBr Materials
Das Adhikari, Samrat; Masi, Sofia; Echeverría-Arrondo, Carlos; Miralles-Comins, Sara; S. Sánchez, Rafael; Alves Fernandes, Jesum; Chirvony, Vladimir; Martínez-Pastor, Juan P.; Sans, Victor; Mora-Sero, Ivan Wiley (2021-09-05)An ongoing demand toward lead-free all-inorganic cesium metal halide perovskites has presented Sn(II) as an ideal substitute of Pb(II) for applications in optoelectronic devices. The major concern regarding Sn(II) is the ... -
Continuous-Flow Synthesis of Orange Emitting Sn(II)-Doped CsBr Materials
Das Adhikari, Samrat; Masi, Sofia; Echeverría-Arrondo, Carlos; Miralles-Comins, Sara; S. Sánchez, Rafael; Alves Fernandes, Jesum; Chirvony, Vladimir; Martínez-Pastor, Juan P.; Sans, Victor; Mora-Sero, Ivan Wiley (2021-09-05)An ongoing demand toward lead-free all-inorganic cesium metal halide perovskites has presented Sn(II) as an ideal substitute of Pb(II) for applications in optoelectronic devices. The major concern regarding Sn(II) is the ... -
Cooperative kinetics of depolarization in CH3NH3PbI3 perovskite solar cells
Bertoluzzi, Luca; S. Sánchez, Rafael; Liu, Linfeng; Lee, Jin Wook; Mas, Elena; Han, Hongwei; Park, Nam-Gyu; Mora-Sero, Ivan; Bisquert, Juan Royal Society of Chemistry (2015)Despite the large photovoltaic performance recently achieved, many aspects of the working principles of hybrid organic–inorganic perovskite solar cells remain to be unveiled. We analyze the experimental features observed ... -
Device performance and light characteristics stability of quantum-dot-based white-light-emitting diodes
Clasen Hames, Bruno; Mora-Sero, Ivan; S. Sánchez, Rafael Springer Verlag (2017)Advances in image quality in recent decades have made it necessary to develop new technologies for producing displays to meet remarkably stricter standards. The display market is governed mainly by liquid crystal display ... -
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 ... -
First Experimental Evidence of Amorphous Tin Oxide Formation in Lead-Free Perovskites by Spectroscopic Ellipsometry
Mannino, Giovanni; Sanchez-Diaz, Jesus; Smecca, Emanuele; Valastro, Salvatore; Deretzis, Ioannis; S. Sánchez, Rafael; MARTINEZ PASTOR, JUAN CARLOS; Mora-Sero, Ivan; ALBERTI, ALESSANDRA Wiley (2023)The most promising lead-free options for producing perovskite solar cells are tin halide perovskite materials. Herein, while in situ monitoring the optical evolution of the material in humid air, spectroscopic ellipsometry ... -
Light-induced effects on Spiro-OMeTAD films and hybrid lead halide perovskite solar cells
S. Sánchez, Rafael; Mas, Elena Elsevier (2016)Perovskite (PS) solar cells have emerged as a promising technology for low-cost and efficient photovoltaics. However, the main limiting factors are related to their low long-term stability. The loss of performance of ... -
Radiative Recombination Processes in Halide Perovskites Observed by Light Emission Voltage Modulated Spectroscopy
S. Sánchez, Rafael; Villanueva-Antolí, Alexis; Bou, Agustín; Ruiz-Murillo, Marta; Mora-Sero, Ivan; Bisquert, Juan Wiley (2023)The kinetics of light emission in halide perovskite light-emitting diodes (LEDs) and solar cells is composed of a radiative recombination of voltage-injected carriers mediated by additional steps such as carrier trapping, ... -
Recombination reduction on lead halide perovskite solar cells based on low temperature synthesized hierarchical TiO2 nanorods
Jaramillo Quintero, Óscar A.; Solís de la Fuente, Mauricio; S. Sánchez, Rafael; Recalde, Ileana B.; Juarez-Perez, Emilio J.; Rincón, Marina; Mora-Sero, Ivan Royal Society of Chemistry (2016)Intensive research on the electron transport material (ETM) has been pursued to improve the efficiency of perovskite solar cells (PSCs) and decrease their cost. More importantly, the role of the ETM layer is not yet fully ... -
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 ... -
Tin perovskite solar cells with >1,300 h of operational stability in N2 through a synergistic chemical engineering approach
Sanchez-Diaz, Jesus; S. Sánchez, Rafael; Masi, Sofia; Kreĉmarová, Marie; Álvarez, Agustín O.; Barea, Eva M; Rodriguez-Romero, Jesús; Chirvony, Vladimir; Sánchez Royo, Juan Francisco; Martínez-Pastor, Juan P.; Mora-Sero, Ivan Elsevier (2022-03-14)Despite the promising properties of tin-based halide perovskites, one clear limitation is the fast Sn+2 oxidation. Consequently, the preparation of long-lasting devices remains challenging. Here, we report a chemical ... -
Transformation of PbI2, PbBr2 and PbCl2 salts into MAPbBr3 perovskite by halide exchange as an effective method for recombination reduction
Belarbi, Eya; Vallés-Pelarda, Marta; Clasen Hames, Bruno; S. Sánchez, Rafael; Barea, Eva M; Maghraoui Meherzi, Hager; Mora-Sero, Ivan Royal Society of Chemistry (2017)Halide perovskite derivatives present unprecedented physical phenomena among those materials which are suitable for photovoltaics, such as a fast ion diffusion coefficient. In this paper it is reported how the benefits ... -
Tunable light emission by exciplex state formation between hybrid halide perovskite and core/shell quantum dots: Implications in advanced LEDs and photovoltaics
S. Sánchez, Rafael; Solís de la Fuente, Mauricio; Suárez, Isaac; Muñoz Matutano, G.; Martínez-Pastor, Juan P.; Mora-Sero, Ivan American Association for the Advancement of Science (2016)We report the first observation of exciplex state electroluminescence due to carrier injection between the hybrid lead halide perovskite (MAPbI3–xClx) and quantum dots (core/shell PbS/CdS). Single layers of perovskite (PS) ... -
Unusual Spectrally Reproducible and High Q-Factor Random Lasing in Polycrystalline Tin Perovskite Films
Chirvony, Vladimir; Suárez, Isaac; Sanchez-Diaz, Jesus; S. Sánchez, Rafael; Rodríguez Romero, Jesús; Mora-Sero, Ivan; Martínez-Pastor, Juan P. Wiley (2022)An unusual spectrally reproducible near-IR random lasing (RL) with no fluctuation of lasing peak wavelength is disclosed in polycrystalline films of formamidinium tin triiodide perovskite, which have been chemically ... -
Up-Converting Lanthanide-Doped YAG Nanospheres
Vallés Pelarda, Marta; S. Sánchez, Rafael; Barea, Eva M; Mora-Sero, Ivan; Julian-Lopez, Beatriz Frontiers Media (2020-08-07)The development of lanthanide-doped Y3Al5O12 (Ln:YAG) garnet nanostructures is a hot topic in the field of inorganic nanophosphors due to the current interest in developing small nanoparticles for solid-state lighting ... -
White light emission from lead-free mixed-cation doped Cs2SnCl6 nanocrystals
Das Adhikari, Samrat; Echeverría-Arrondo, Carlos; S. Sánchez, Rafael; Chirvony, Vladimir; Martínez-Pastor, Juan P.; Muñoz-Sanjose, Vicente; Agouram, Said; Mora-Sero, Ivan Royal Society of Chemistry (2022-01-13)We have designed a synthesis procedure to obtain Cs2SnCl6 nanocrystals (NCs) doped with metal ion(s) to emit visible light. Cs2SnCl6 NCs doped with Bi3+, Te4+ and Sb3+ ions emitted blue, yellow and red light, respectively. ...