Listar por autoría "ad39c13e-6dc7-4225-9e42-081c823b3b7f"
Mostrando ítems 1-20 de 33
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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 Rational Approach to Improve the Overall Performances of Semitransparent Perovskite Solar Cells by Electrode Optical Management
Lorusso, Antonella; Masi, Sofia; Triolo, Claudia; Mariano, Fabrizio; Muia, Simone; Cannavale, Alessandro; Duan, Yu; Anni, Marco; De Giorgi, Maria Luisa; Patané, Salvatore; Selmi, Olfa; Mora-Sero, Ivan; De Leo, Stefano; Mazzeo, Marco American Chemical Society (2024)Improving the overall characteristics of semitransparent solar cells (STSCs) is a very hard goal, not only because the absorption and the transmission of light through the device are two competitive processes but also ... -
Analysis of the UV ozone-treated SnO2 electron transporting layer in planar perovskite solar cells for high performance and reduced hysteresis
Méndez, Perla; muhammed, kunnummal; Barea, Eva M; Masi, Sofia; Mora-Sero, Ivan Wiley - Blackwell (2019)Tin oxide (SnO2) is widely used as electron transporting layer (ETL) in perovskite solar cells (PSCs) because its good transparency, band alignment to perovskite and stability. The interface between the ETL and the ... -
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 ... -
Chemi-Structural Stabilization of Formamidinium Lead Iodide Perovskite by Using Embedded Quantum Dots
Masi, Sofia; Echeverría-Arrondo, Carlos; muhammed, kunnummal; Ngo, Thi Tuyen; Mendez, Perla F.; López-Fraguas, Eduardo; Macias-Pinilla, David F.; Planelles, Josep; Climente, Juan I.; Mora-Sero, Ivan American Chemical Society (2020-01-6)The approaches to stabilize the perovskite structure of formamidinium lead iodide (FAPI) commonly result in a blue shift of the band gap, which limits the maximum photoconversion efficiency. Here, we report the use of PbS ... -
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 ... -
Deciphering the Role of Quantum Dots Size in the Ultrafast Charge Carrier Dynamics at the Perovskite-Quantum Dots Interface
Piatkowski, Piotr; Masi, Sofia; Galar, Pavel; Gutiérrez Tovar, Mario; Ngo, Thi Tuyen; Mora-Sero, Ivan; Douhal, Abderrazzak Royal Society of Chemistry (2020-09)Understanding the behaviour of electrons and holes (e, h) diffusion and transfer at the interfaces of photoexcited hybrid materials at different densities of photoexcited charge carriers is paramount to the development 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 ... -
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 ... -
In situ ethanolamine ZnO nanoparticle passivation for perovskite interface stability and highly efficient solar cells
Sánchez-Godoy, H. E.; muhammed, kunnummal; Rodríguez-Rojas, Rubén; Zarazúa, Isaac; Masi, Sofia MDPI (2022-02-28)Zinc oxide (ZnO) has interesting optoelectronic properties, but suffers from chemical instability when in contact with perovskite interfaces; hence, the perovskite deposited on the top degrades promptly. Surface passivation ... -
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 ... -
Interface Engineering in Perovskite Solar Cells by Low Concentration of Phenylethyl Ammonium Iodide Solution in the Antisolvent Step
Ripolles, Teresa S.; Serafini, Patricio; Redondo Obispo, Carlos Daniel; Climent-Pascual, Esteban; Masi, Sofia; Mora-Sero, Ivan; Coya, Mª del Carmen Wiley (2021-12-03)In spite of the outstanding properties of metal halide perovskites, its polycrystallinenature induces a wide range of structural defects that results in charge losses thataffect thefinal device performance and stability. ... -
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 ... -
Mechanistic insight into the formation of colloidal WS2 nanoflakes in hot alkylamine media
Scarfiello, Riccardo; Cesari, Andrea; Altamura, Davide; Masi, Sofia; Nobile, Concetta; Balzano, Federica; Giannini, Cinzia; Grillo, Vincenzo; Tavabi, Amir Hossein; Dunin-Borkowski, Rafal E.; Uccello-Barretta, Gloria; Cozzoli, Pantaleo Davide; Rizzo, Aurora Royal Society of Chemistry (2019)Developing convenient and reliable synthetic methodologies for solution processable 2D layered ultrathin nanostructures with lateral size control is one of the major challenges for practical applications. In this study, a ... -
Optical Characterization of Lead-Free Cs2SnI6 Double Perovskite Fabricated from Degraded and Reconstructed CsSnI3 Films
López-Fraguas, Eduardo; Masi, Sofia; Mora-Sero, Ivan American Chemical Society (2019-12-02)Halide perovskites have experienced a huge development in the past years, but they still have two major challenges for their massive implantation: the long-term stability and the use of lead. One of the most obvious lead-free ... -
Optimizing Performance and Operational Stability of CsPbI3 Quantum-Dot-Based Light-Emitting Diodes by Interface Engineering
muhammed, kunnummal; Hassanabadi, Ehsan; Masi, Sofia; Gualdrón Reyes, Andrés Fabián; Franckevicius, Marius; Devižis, Andrius; Gulbinas, Vidmantas; Fakharuddin, Azhar; Mora-Sero, Ivan American Chemical Society (2020-07)Perovskite light-emitting diodes (PeLEDs) have emerged as a promising candidate for next-generation display technology and lighting applications owing to their high current efficiency, low operating voltage, narrow spectral ... -
PbS quantum dots as additives in methylammonium halide perovskite solar cells: the effect of quantum dot capping
Ngo, Thi Tuyen; Masi, Sofia; Mendez, Perla F.; Oron, Dan; Mora-Sero, Ivan Royal Society of Chemistry (2019-09)Colloidal PbS quantum dots (QDs) have been successfully employed as additives in halide perovskite solar cells (PSCs) acting as nucleation centers in the perovskite crystallization process. For this strategy, the surface ...