Listar por autoría "253c75ce-63f0-4ab0-90ef-abeb519f322f"
Mostrando ítems 1-10 de 10
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Degradation analysis of perovskite solar cells doped with MABr3 via electrochemical impedance
Valle-Pulido, Juan; Solis, Omar E.; Esparza, Diego; Rodríguez-Rojas, Rubén; Turren Cruz, Silver Hamill; Rivas Martínez, Jesús Manuel; Zarazúa Macías, Isaac Elsevier (2023)In this study, perovskite solar cells with a structure CsyFA1-xMAxCS0.05Pb(I1.05-xBrx)3, with X = 0 (no doping was added to the base structure CsFAPbI3) and X = 0.085 (CsFAPbI3 was doped with 8.5% MABr3) were prepared ... -
Degradation Analysis of Triple-Cation Perovskite Solar Cells by Electrochemical Impedance Spectroscopy
Torres, Jeevan; Zarazua, Isaac; Esparza, Diego; Rivas Martínez, Jesús Manuel; Saliba, Michael; Mora-Sero, Ivan; Turren Cruz, Silver Hamill; Abate, Antonio American Chemical Society (2022)In this work, the electrical properties of different triple-cation compositions with the formula Cs0.05FA1–XMAXPb(I1–XBrX)3 have been analyzed using electrochemical impedance spectroscopy. The perovskite solar cells were ... -
Effect of Different Sensitization Technique on the Photoconversion Efficiency of CdS Quantum Dot and CdSe Quantum Rod Sensitized TiO2 Solar Cells
Esparza, Diego; Zarazúa, Isaac; López-Luke, Tzarara; Cerdán Pasarán, Andrea; Sánchez Solís, Ana; Torres Castro, Alejandro; Mora-Sero, Ivan; De la Rosa, Elder American Chemical Society (2015-06)The procedure employed for the sensitization of mesoporous photoanodes affects strongly the final performance of sensitized devices, especially when semiconductor quantum dots and quantum rods are used as sensitizers. In ... -
Effect of the electrophoretic deposition of Au NPs in the performance CdS QDs sensitized solar cells
Zarazúa, Isaac; Esparza, Diego; López-Luke, Tzarara; Ceja-Fernández, A.; Reyes-Gomez, J.; Mora-Sero, Ivan; Rosa, Elder de la Elsevier (2016)Solution-processed mesoscopic oxide semiconductor-based materials offer potentially low-cost and high stability alternative for next generation of solar cells, and metallic nanoparticles had shown to be a good alternative ... -
Enhanced Photovoltaic Performance of Mesoscopic Perovskite Solar Cells by Controlling the Interaction between CH3NH3PbI3 Films and CsPbX3 Perovskite Nanoparticles
Sidhik, Siraj; Esparza, Diego; Martínez-Benítez, Alejandro; López-Luke, Tzarara; Carriles, Ramon; Mora-Sero, Ivan; De la Rosa, Elder American Chemical Society (2017-02)We report the incorporation of all-inorganic highly stable CsPbX3 (X = I, Br) based perovskite nanoparticles (NPs) on top of a bulk CH3NH3PbI3perovskite thin film. This design utilizes the photogeneration ability of ... -
Enhancement of Efficiency in Quantum Dot Sensitized Solar Cells Based on CdS/CdSe/CdSeTe Heterostructure by Improving the Light Absorption in the VIS-NIR Region
Esparza, Diego; López-Luke, Tzarara; Oliva, Jorge; Cerdán Pasarán, Andrea; Martínez-Benítez, Alejandro; Mora-Sero, Ivan; De la Rosa, Elder Elsevier (2017-09-01)In this work, we demonstrate an enhancement of photocurrent in QDSSCs based on CdS (QDs)/CdSe Quantum rods (QRs)/CdSeTe (QDs) heterostructure due to the increased photon harvesting in the VIS-NIR region. The photo-conversion ... -
Microwave-Mediated Synthesis of Lead-Free Cesium Titanium Bromide Double Perovskite: A Sustainable Approach
Reyes-Francis, Emmanuel; Echeverría-Arrondo, Carlos; Esparza, Diego; López-Luke, Tzarara; Soto-Montero, Tatiana; Morales-Masis, Monica; Turren Cruz, Silver Hamill; Mora-Sero, Ivan; Julian-Lopez, Beatriz American Chemical Society (2024-02-02)Theoretical studies have identified cesium titanium bromide (Cs2TiBr6), a vacancy-ordered double perovskite, as a promising lead-free and earth-abundant candidate to replace Pb-based perovskites in photovoltaics. Our ... -
Operating Mechanisms of Mesoscopic Perovskite Solar Cells through Impedance Spectroscopy and J-V Modeling
Zarazúa, Isaac; Sidhik, Siraj; López-Luke, Tzarara; Esparza, Diego; De la Rosa, Elder; Reyes-Gomez, J.; Mora-Sero, Ivan; Garcia-Belmonte, Germà American Chemical Society (2017-11)The performance of perovskite solar cell (PSC) is highly sensitive to deposition conditions, the substrate, humidity, and the efficiency of solvent extraction. However, the physical mechanism involved in the observed changes ... -
Widening the 2D/3D Perovskite Family for Efficient and Thermal-Resistant Solar Cells by the Use of Secondary Ammonium Cations
Rodríguez Romero, Jesús; Sanchez-Diaz, Jesus; Echeverría-Arrondo, Carlos; Masi, Sofia; Esparza, Diego; Barea, Eva M; Mora-Sero, Ivan American Chemical Society (2020-03-02)While 2D/3D layered perovskites have been the object of comprehensive research principally focused on increasing the long-term stability observed in 3D perovskites, significant opportunities still exist concerning the ... -
α-FAPbI3 powder presynthesized by microwave irradiation for photovoltaic applications
Solis, Omar E.; Fernández-Saiz, Carolina; Rivas Martínez, Jesús Manuel; Esparza, Diego; Turren Cruz, Silver Hamill; Julian-Lopez, Beatriz; Boix, Pablo P; Mora-Sero, Ivan Elsevier (2022-12-10)The development of up-scalable and high-throughput methodologies to fabricate high-efficiency lead halide perovskite solar cells (PSCs) based on α-phase formamidinium lead iodide (FAPbI3) is one of the main challenges of ...