Visualitza INAM_Articles per autoria "596e4386-6395-4f8f-950d-b7805c3dc732"
Ara mostrant els elements 41-57 d 57
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Quantification of Ionic Diffusion in Lead Halide Perovskite Single Crystals
Peng, Wei; Aranda Alonso, Clara; Bakr, Osman M.; Garcia-Belmonte, Germà; Bisquert, Juan; Guerrero, Antonio American Chemical Society (2018)Lead halide perovskites are mixed electronic–ionic semiconductors that have recently revolutionized the photovoltaics field. The physical characterization of the ionic conductivity has been rather elusive because of the ... -
Real-Time Observation of Iodide Ion Migration in Methylammonium Lead Halide Perovskites
Li, Cheng; Guerrero, Antonio; Yu, Zhong; Gräser, Anna; Melo Luna, Carlos Andres; Köhler, Jürgen; Bisquert, Juan; Hildner, Richard; Huettner, Sven Wiley (2017)Organic-inorganic metal-halide perovskites (e.g. CH3NH3PbI3-xClx) emerged as a promising opto-electronic material. However, the Shockley–Queisser Limit for the power conversion efficiency (PCE) of perovskite-based photovoltaic ... -
Recent advances to understand morphology stability of organic photovoltaics
Guerrero, Antonio; Garcia-Belmonte, Germà SpringerOpen (2017)Organic photovoltaic devices are on the verge of commercialization with power conversion efficiencies exceeding 10 % in laboratory cells and above 8.5 % in modules. However, one of the main limitations hindering their ... -
Relative Impacts of Methylammonium Lead Triiodide Perovskite Solar Cells Based on Life Cycle Assessment
Alberola-Borràs, Jaume-Adrià; Vidal, Rosario; Juarez-Perez, Emilio J.; Mas, Elena; Guerrero, Antonio; Mora-Sero, Ivan Elsevier (2017-11-22)The environmental performance of four different device assembly procedures based on hybrid halide perovskite solar cell (PSC) were assessed from cradle to grave using life cycle assessment (LCA) methodology. In addition, ... -
Resistance transient dynamics in switchable perovskite memristors
Bisquert, Juan; Bou, Agustín; Guerrero, Antonio; Hernández-Balaguera, Enrique AIP Publishing (2023-09)Memristor devices have been investigated for their properties of resistive modulation that can be used in data storage and brain-like computation elements as artificial synapses and neurons. Memristors are characterized ... -
Reversible Formation of Gold Halides in Single‐Crystal Hybrid‐Perovskite/Au Interface upon Biasing and Effect on Electronic Carrier Injection
Pospisil, Jan; Guerrero, Antonio; Zmeskal, Oldrich; Weiter, Martin; Gallardo Bernal, Juan Jesus; Navas, Javier; Garcia-Belmonte, Germà Wiley (2019-08-08)Solar cells, light emitting diodes, and X‐ray detectors based on perovskite materials often incorporate gold electrodes, either in direct or indirect contact with the perovskite compound. Chemical interactions between ... -
Role of Metal Contacts on Halide Perovskite Memristors
Pérez-Martínez, José Carlos; Berruet, Mariana; Gonzales, Cedric; Salehpour, Saeed; Bahari, Ali; Arredondo, Belén; Guerrero, Antonio Wiley (2023-10-16)Halide perovskites are promising candidates for resistive memories (memristors) due to their mixed electronic/ionic conductivity and the real activation mechanism is currently under debate. In order to unveil the role of ... -
Semiconductor α‐Fe2O3 Hematite Fabricated Electrode for Sensitive Detection of Phenolic Pollutants
Rahman, Mohammed M.; Fabregat-Santiago, Francisco; Guerrero, Antonio; Asiri, Abdullah M.; Bisquert, Juan Wiley (2018-11-23)Hematite (α‐Fe2O3) semiconductor is an abundant and non‐toxic catalyst for different (photo)electrochemical reactions. In this work, a selective p‐nitrophenol sensor was developed by fabricating a thin‐layer of a glassy ... -
Spectral properties of the dynamic state transition in metal halide perovskite-based memristor exhibiting negative capacitance
Gonzales, Cedric; Guerrero, Antonio; Bisquert, Juan American Institute of Physics (2021-02-15)The evolution of device properties in memristor switching between high- and low-resistance states is critical for applications and is still highly subjected to significant ambiguity. Here, we present the dynamic state ... -
Stabilizing perovskite solar cells with modified indium oxide electron transport layer
Tsarev, Sergey; Dubinina, Tatiana; Olthof, Selina; Guerrero, Antonio; Luchkin, Sergey; Stevenson, Keith J.; Aldoshin, Sergey M.; Bisquert, Juan; Troshin, Pavel Elsevier (2023)Despite the impressive progress, the perovskite solar cells are still under the stage of laboratory research, mainly because of their inferior operational stability. To improve the device lifetime, one of the most important ... -
Surface Polarization Model for the Dynamic Hysteresis of Perovskite Solar Cells
Ravishankar, Sandheep; Almora Rodríguez, Osbel; Echeverría-Arrondo, Carlos; Ghahremanirad, Elnaz; Aranda Alonso, Clara; Guerrero, Antonio; Fabregat-Santiago, Francisco; Zaban, Arie; Garcia-Belmonte, Germà; Bisquert, Juan American Chemical Society (2017-02)The dynamic hysteresis of perovskite solar cells consists of the occurrence of significant deviations of the current density–voltage curve shapes depending on the specific conditions of measurement such as starting voltage, ... -
Switching Off Hysteresis in Perovskite Solar Cells by Fine‐Tuning Energy Levels of Extraction Layers
Guerrero, Antonio; Bou, Agustín; Matt, Gebhard J.; Almora Rodríguez, Osbel; Heumueller, Thomas; Garcia-Belmonte, Germà; Bisquert, Juan; Hou, Yi; Brabec, Christoph J. Wiley (2018-07-25)Lead halide perovskites often suffer from a strong hysteretic behavior on their j–V response in photovoltaic devices that has been correlated with slow ion migration. The electron extraction layer has frequently been pointed ... -
Synergistic effect of multifunctional MXene-nanosheet and naphthoquinone sulfonate toward high-performance perovskite solar cells and modules
Cao, Shuguang; Gutsev, Lavrenty; Bi, Zhuoneng; Zheng, Yupeng; XU, XUEQING; Zhu, Yanqing; Zhong, Liuwen; Zheng, Jieyuan; Xu, Gang; Troshin, Pavel; Liu, Shengzhong (Frank); Wang, Kai; Gonzales, Cedric; Guerrero, Antonio; REN, Zhiwei; Li, Gang Elsevier (2023-08-28)Interface defect passivation strategies play a vital role in the design of efficient, and stable perovskite solar cells (PSCs). Presently, we combine MXene-nanosheets with a 1,2-naphthoquinone-4-sulfonic acid sodium salt ... -
Theory of Hysteresis in Halide Perovskites by Integration of the Equivalent Circuit
Bisquert, Juan; Guerrero, Antonio; Gonzales, Cedric American Chemical Society (2022-07-28)Perovskite solar cells show a number of internal electronic–ionic effects that produce hysteresis in the current–voltage curves and a dependence of the temporal response on the conditions of the previous stimulus applied ... -
Transient On/Off Photocurrent Response of Halide Perovskite Photodetectors
Bisquert, Juan; Gonzales, Cedric; Guerrero, Antonio American Chemical Society (2023-10-19) -
Transition from Capacitive to Inductive Hysteresis: A Neuron-Style Model to Correlate I–V Curves to Impedances of Metal Halide Perovskites
Gonzales, Cedric; Guerrero, Antonio; Bisquert, Juan American Chemical Society (2022-08-18)Metal halide perovskite (MHP) devices often show different types of hysteresis in separate voltage domains. At low voltage, the impedance response is capacitive, and the cell gives regular hysteresis. At high voltage, the ... -
Unravelling the role of vacancies in lead halide perovskite through electrical switching of photoluminescence
Li, Cheng; Guerrero, Antonio; Huettner, Sven; Bisquert, Juan Nature Research (2018)We address the behavior in which a bias voltage can be used to switch on and off the photoluminescence of a planar film of methylammonium lead triiodide perovskite (MAPbI3) semiconductor with lateral symmetric electrodes. ...