Listar por autoría "631df78f-a038-4ecd-94fb-1191e3b636d7"
Mostrando ítems 1-20 de 42
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A Perovskite Photovoltaic Mini-Module-CsPbBr3 Photoelectrochemical Cell Tandem Device for Solar-Driven Degradation of Organic Compounds
Lee, Seul-Yi; Serafini, Patricio; Masi, Sofia; Gualdrón Reyes, Andrés Fabián; Mesa, Camilo A.; Rodriguez-Pereira, Jhonatan; Gimenez, Sixto; Lee, Hyo Joong; Mora-Sero, Ivan American Chemical Society (2023-10-02)Recently, halide perovskites have been widely explored for high-efficiency photocatalysis or photoelectrochemical (PEC) cells. Here, in order to make an efficient photoanode electrode for the degradation of pollutants, ... -
A soft-chemistry route to prepare halide perovskite nanocrystals with tunable emission and high optical performance
Silva, Thais Caroline de Almeida; Fernández-Saiz, Carolina; S. Sánchez, Rafael; Gualdrón Reyes, Andrés Fabián; Mora-Sero, Ivan; Julian-Lopez, Beatriz Springer (2023)Cesium lead halide perovskites constitute a benchmark family of inorganic perovskites for high performance optoelectronic devices. Hot injection is by far the most extended procedure to fabricate CsPbX3 (X: Cl, Br, and/or ... -
Application of Halide Perovskite Nanocrystals in Solar-Driven Photo(electro)Catalysis
Gualdrón Reyes, Andrés Fabián; Mesa, Camilo A.; Gimenez, Sixto; Mora-Sero, Ivan Wiley (2022-03-15)Photo(electro)catalysis (PEC) is a promising strategy to conduct attractive solar-driven reactions such as CO2 reduction to form added-value products, H2 production, and organic substrates oxidation, taking advantage of ... -
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 ... -
Controlling the Phase Segregation in Mixed Halide Perovskites through Nanocrystal Size
Gualdrón Reyes, Andrés Fabián; YOON, SEOG JOON; Barea, Eva M; Agouram, Said; Muñoz-Sanjosé, Vicente; Meléndez, Ángel M.; Niño-Gómez, Martha E.; Mora-Sero, Ivan American Chemical Society (2019)Mixed halide perovskites are one of the promising candidates in developing solar cells and light-emitting diodes (LEDs), among other applications, because of their tunable optical properties. Nonetheless, photoinduced phase ... -
Efficient and Stable Blue- and Red-Emitting Perovskite Nanocrystals through Defect Engineering: PbX2 Purification
Lee, ChaeHyun; Shin, YeJi; Villanueva Antoli, Alexis; Das Adhikari, Samrat; Rodriguez-Pereira, Jhonatan; Macak, Jan; Mesa, Camilo A.; Gimenez, Sixto; YOON, SEOG JOON; Gualdrón Reyes, Andrés Fabián; Mora-Sero, Ivan American Chemical Society (2021-11-11)Current efforts to reduce the density of structural defects such as surface passivation, doping, and modified synthetic protocols have allowed us to grow high-quality perovskite nanocrystals (PNCs). However, the role of ... -
Efficient Ligand Passivation Enables Ultrastable CsPbX3 Perovskite Nanocrystals in Fully Alcohol Environments
Gualdrón Reyes, Andrés Fabián; Fernandez-Climent, Roser; Masi, Sofia; Mesa, Camilo A.; Echeverría-Arrondo, Carlos; Aiello, Federica; Balzano, Federica; Uccello-Barretta, Gloria; Rodríguez-Pereira, Jhonatan; Gimenez, Sixto; Mora-Sero, Ivan Wiley (2023)Halide perovskite nanocrystals (PNCs) have demonstrated their wide potential to fabricate efficient optoelectronic devices and to prepare promising photocatalysts for solar-driven photo(electro)chemical reactions. However, ... -
Engineering Sr-doping for enabling long-term stable FAPb1xSrxI3 quantum dots with 100% photoluminescence quantum yield
Gualdrón Reyes, Andrés Fabián; Macias-Pinilla, David F.; Masi, Sofia; Echeverría-Arrondo, Carlos; Agouram, Said; Muñoz-Sanjosé, Vicente; Rodríguez-Pereira, Jhonatan; Macak, Jan; Mora-Sero, Ivan Royal Society of Chemistry (2021-02-01)The Pb substitution in quantum dots (PQDs) with lesser toxic metals has been widely searched to be environmentally friendly, and be of comparable or improved performance compared to the lead-perovskite. However, the chemical ... -
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 ... -
Fully Inkjet-Printed Green-Emitting PEDOT:PSS/NiO/Colloidal CsPbBr3/SnO2 Perovskite Light-Emitting Diode on Rigid and Flexible Substrates
Vescio, Giovanni; Mathiazhagan, Gayathri; Gonzalez-Torres, Sergio; Sanchez-Diaz, Jesus; Villanueva Antoli, Alexis; Sánchez, Rafael S.; Gualdrón Reyes, Andrés Fabián; Oszajca, Marek; Linardi, Flavio; Hauser, Alina; Vinocour-Pacheco, Felipe A.; Żuraw, Wiktor; Öz, Senol; Hernández, Sergi; Mora-Sero, Ivan; Cirera, Albert; Garrido, Blas Wiley (2023)After establishing themselves as promising active materials in the field of solar cells, halide perovskites are currently being explored for fabrication of low-cost, easily processable, and highly efficient light-emitting ... -
High Optical Performance of Cyan‐Emissive CsPbBr3 Perovskite Quantum Dots Embedded in Molecular Organogels
Vallés Pelarda, Marta; Gualdrón Reyes, Andrés Fabián; Felip-León, Carles; Angulo-Pachón, César A.; Agouram, Said; Muñoz-Sanjosé, Vicente; Miravet, Juan; Galindo, Francisco; Mora-Sero, Ivan Wiley (2021)Perovskite quantum dots (PQDs) have fascinating optoelectronic properties, such as high photoluminescence quantum yield (PLQY) for a broad range of materials, and the possibility to obtain different bandgaps with the same ... -
High Quality Inkjet Printed-Emissive Nanocrystalline Perovskite CsPbBr3 Layers for Color Conversion Layer and LEDs Applications
Vescio, Giovanni; Gualdrón Reyes, Andrés Fabián; Hernández, Sergi; Mora-Sero, Ivan; Garrido, Blas; Cirera, Albert Wiley (2022)Metal halide perovskites (MHPs) have shown outstanding optical emissive properties and can be employed in several optoelectronics devices. In contrast with materials of well-established technologies, which are prone to ... -
Homogeneous and inhomogeneous broadening in single perovskite nanocrystals investigated by micro-photoluminescence
Pashaei Adl, Hamid; Gorji, Setatira; Muñoz-Matutano, Guillermo; Sánchez Alarcón, Raúl Ivan; Abargues, Rafael; Gualdrón Reyes, Andrés Fabián; Mora-Sero, Ivan; Martínez-Pastor, Juan P. Elsevier (2021-09-10)Metal halides with perovskite crystalline structure have given rise to efficient optoelectronic and photonic devices. In the present work, we have studied the light emission properties of single CsPbBr3 and CsPbI3 semiconductor ... -
Impact of core-shell perovskite nanocrystals for LED applications: successes, challenges, and prospects
Das Adhikari, Samrat; Gualdrón Reyes, Andrés Fabián; Paul, Subir; Torres, Jeevan; Escuder, Beatriu; Mora-Sero, Ivan; Masi, Sofia The Royal Society of Chemistry (2023-07-24)Perovskite nanocrystals (PeNCs) synthesized by colloidal solution methods are an outstanding case of study due to their remarkable optical features, different from their bulk counterpart, such as a tuneable band gap and ... -
Increasing the Performance and Stability of Red-Light-Emitting Diodes Using Guanidinium Mixed-Cation Perovskite Nanocrystals
Serafini, Patricio; Villanueva Antoli, Alexis; Das Adhikari, Samrat; Masi, Sofia; Sánchez, Rafael S.; Rodriguez-Pereira, Jhonatan; Pradhan, Bapi; Hofkens, Johan; Gualdrón Reyes, Andrés Fabián; Mora-Sero, Ivan American Chemical Society (2023-05-09)Halide perovskite nanocrystals (PNCs) exhibit growing attention in optoelectronics due to their fascinating color purity and improved intrinsic properties. However, structural defects emerging in PNCs progressively hinder ... -
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) ... -
Ligand & band gap engineering: tailoring the protocol synthesis for achieving high-quality CsPbI3 quantum dots
Hassanabadi, Ehsan; Latifi, Masoud; Gualdrón Reyes, Andrés Fabián; Masi, Sofia; YOON, SEOG JOON; Poyatos, Macarena; Julian-Lopez, Beatriz; Mora-Sero, Ivan Royal Society of Chemistry (2020)Hot-injection has become the most widespread method used for the synthesis of perovskite quantum dots (QDs) with enormous interest for application in optoelectronic devices. However, there are some aspects of the chemistry ... -
Morphology and Band Structure of Orthorhombic PbS Nanoplatelets: An Indirect Band Gap Material
Macias-Pinilla, David F.; Echeverría-Arrondo, Carlos; Gualdrón Reyes, Andrés Fabián; Agouram, Said; Muñoz-Sanjosé, Vicente; Planelles, Josep; Mora-Sero, Ivan; Climente, Juan I. American Chemical Society (2021-01-12)PbS quantum dots and nanoplatelets (NPLs) are of enormous interest in the development of optoelectronic devices. However, some important aspects of their nature remain unclear. Recent studies have revealed that colloidal ...