Listar por autoría "b6eeafb4-b3c6-4ed1-b7db-1c09e39d0167"
Mostrando ítems 1-10 de 10
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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 ... -
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 ... -
Electron Transport Layer-Free Solar Cells Based on Perovskite? Fullerene Blend Films with Enhanced Performance and Stability
Pascual, Jorge; Kosta, Ivet; Ngo, Thi Tuyen; Chuvilin, Andrey; Cabanero, Germán; Grande, Hans J.; Barea, Eva M; Mora-Sero, Ivan; Delgado, Juan Luis; Tena-Zaera, Ramón Wiley (2016-08)The solution processing of pinhole-free methylammonium lead triiodide perovskite–C70 fullerene (MAPbI3:C70) blend films on fluorine-doped tin oxide (FTO)-coated glass substrates is presented. Based on this approach, a ... -
Enhancement of the Performance of Perovskite Solar Cells, LEDs, and Optical Amplifiers by Anti-Solvent Additive Deposition
Ngo, Thi Tuyen; Suárez, Isaac; Antonicelli, Gabriella; Cortizo-Lacalle, Diego; Martínez-Pastor, Juan P.; Mateo-Alonso, Aurelio; Mora-Sero, Ivan Wiley (2017-02-17)The efficiency of perovskite optoelectronic devices is increased by a novel method; its suitability for perovskite solar cells, light-emitting diodes, and optical amplifiers is demonstrated. The method is based on the ... -
Homeopathic Perovskite Solar Cells: Effect of Humidity during Fabrication on the Performance and Stability of the Device
Contreras-Bernal, Lidia; Aranda Alonso, Clara; Valles-Pelarda, Marta; Ngo, Thi Tuyen; Ramos-Terrón, Susana; Gallardo Bernal, Juan Jesus; Navas, Javier; Guerrero, Antonio; Mora-Sero, Ivan; Idígoras, Jesús; Anta, Juan A. American Chemical Society (2018-02)Rapid degradation in humid environments is a major drawback of methylammonium lead iodide (CH3NH3PbI3), which is the archetypical component of perovskite solar cells. In this work, we have investigated the aging and ... -
Interaction between Colloidal Quantum Dots and Halide Perovskites: Looking for Constructive Synergies
Ngo, Thi Tuyen; Mora-Sero, Ivan American Chemical Society (2019-02-19)Colloidal quantum dots (QDs) have received extensive attention during the last few decades because of their amazing properties emerging from quantum confinement. In parallel, halide perovskites have attracted attention ... -
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 ... -
Perovskite-Quantum Dots Interface: Deciphering its Ultrafast Charge Carrier Dynamics
Galar, Pavel; Piatkowski, Piotr; Ngo, Thi Tuyen; Gutiérrez Tovar, Mario; Mora-Sero, Ivan; Douhal, Abderrazzak Elsevier (2018)Understanding electron and hole (e,h) transport at semiconductor interfaces is paramount to developing efficientoptoelectronic devices. Halide perovskite/semiconductor quantum dots (QDs) have emerged as smart hybridsystems ... -
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 ... -
Spray-Pyrolyzed ZnO as Electron Selective Contact for Long-Term Stable Planar CH3NH3PbI3 Perovskite Solar Cells
Ngo, Thi Tuyen; Barea, Eva M; Tena-Zaera, Ramón; Mora-Sero, Ivan American Chemical Society (2018)Electron selective contacts (ESCs) play an important role in the performance of perovskite solar cells (PSCs). ZnO has attracted important attention as a good material for ESCs because of its matched energy levels with ...