Listar por autoría "e173841e-d397-472e-88c3-99ef46a9d7b4"
Mostrando ítems 1-13 de 13
-
Analysis of the Hysteresis Behavior of Perovskite Solar Cells with Interfacial Fullerene Self-Assembled Monolayers
Vallés Pelarda, Marta; Clasen Hames, Bruno; García-Benito, Inés; Almora Rodríguez, Osbel; Molina-Ontoria, Agustín; S. Sánchez, Rafael; Garcia-Belmonte, Germà; Martín, Nazario; Mora-Sero, Ivan American Chemical Society (2016-10)The use of self-assembled monolayers (SAMs) of fullerene derivatives reduces the hysteresis of perovskite solar cells (PSCs). We have investigated three different fullerene derivatives observing a decrease on hysteresis ... -
Deleterious Effect of Negative Capacitance on the Performance of Halide Perovskite Solar Cells
Fabregat-Santiago, Francisco; Kulbak, Michael; Zohar, Arava; Vallés Pelarda, Marta; Hodes, Gary; Mora-Sero, Ivan American Chemical Society (2017)Negative capacitance in photovoltaic devices has been observed and reported in several cases, but its origin, at low or intermediate frequencies, is under debate. Here we unambiguously demonstrate a direct correlation ... -
Enhanced Open-Circuit Voltage of Wide-Bandgap Perovskite Photovoltaics by Using Alloyed (FA1–xCsx)Pb(I1–xBrx)3 Quantum Dots
Suri, Mokshin; Hazarika, Abhijit; Larson, Bryon W.; Zhao, Qian; Vallés Pelarda, Marta; Siegler, Timothy; Abney, Michael; Ferguson, Andrew; Korgel, Brian A.; Luther, Joseph M. American Chemical Society (2019-07-16)We report a detailed study on APbX3 (A=Formamidinium (FA+), Cs+; X=I-, Br-) perovskite quantum dots (PQDs) with combined A- and X-site alloying that exhibit, both, a wide bandgap and high open circuit voltage (Voc) for the ... -
Flash infrared annealing as a cost-effective and low environmental impact processing method for planar perovskite solar cells
Sanchez, Sandy; Vallés Pelarda, Marta; Alberola-Borràs, Jaume-Adrià; Vidal, Rosario; Jerónimo Rendón, José J.; Saliba, Michael; Boix, Pablo P; Mora-Sero, Ivan Elsevier (2019)For successful commercialization of perovskite solar cells, straightforward solutions in terms of environmental impact and economic feasibility are still required. Flash Infrared Annealing (FIRA) is a rapid method to ... -
Fullerene-Based Materials as Hole-Transporting/Electron Blocking Layers. Applications in Perovskite Solar Cells
Völker, Sebastian F.; Vallés Pelarda, Marta; Pascual, Jorge; Collavini, Silvia; Ruipérez, F.; Zuccatti, Elisabetta; Hueso, Luis E.; Tena-Zaera, Ramón; Mora-Sero, Ivan; Delgado, Juan Luis Wiley (2018)Here we report for the first time an efficient fullerenebased compound, FU7, able to act as Hole-Transporting Material (HTM) and electron blocking contact. It has been applied on perovskite solar cells (PSCs), obtaining ... -
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 ... -
Impedance Spectroscopy Measurements in Perovskite Solar Cells: Device Stability and Noise Reduction
Pitarch-Tena, Didac; Thi Tuyen, Ngo; Vallés Pelarda, Marta; Pauporté, Thierry; Mora-Sero, Ivan American Chemical Society (2018) -
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 ... -
Perovskite Thin Single Crystal for a High Performance and Long Endurance Memristor
Fernandez-Guillen, Ismael; Aranda Alonso, Clara; Franco Betancur, Pablo; Vallés-Pelarda, Marta; Momblona, Cristina; Ripolles, Teresa S.; Abargues, Rafael; Boix, Pablo P Wiley (2024)Metal halide perovskites (MHPs) exhibit electronic and ionic characteristics suitable for memristors. However, polycrystalline thin film perovskite memristors often suffer from reliability issues due to grain boundaries, ... -
Study of lanthanide-dopedY3AL5O12 nanogarnets with energy conversion properties
Vallés Pelarda, Marta Universitat Jaume I (2015-07-31) -
Surface engineering for injection control and hysteresis reduction in Perovskite Solar Cells
Vallés Pelarda, Marta Universitat Jaume I (2016-07-04)Hybrid halide perovskites, such as CH3NH3PbI3 are among the most promising absorbers materials in photovoltaics due to its direct band gap, high absorption coefficient and low charge recombination.1,2 In addition, they ... -
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 ... -
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 ...