Listar INAM_Articles por título

Mostrando ítems 339-358 de 531

    • openAccess   Optical Amplification in Hollow-Core Negative-Curvature Fibers Doped with Perovskite CsPbBr3 Nanocrystals 

      Navarro-Arenas, Juan; Suárez, Isaac; Martínez-Pastor, Juan P.; Ferrando, Albert; Gualdrón Reyes, Andrés Fabián; Mora-Sero, Ivan; Gao, Shou-Fei; Wang, Ying-Ying; Wang, Pu; Sun, Zhipei MDPI (2019)
      We report a hollow-core negative-curvature fiber (HC-NCF) optical signal amplifier fabricated by the filling of the air microchannels of the fiber with all-inorganic CsPbBr3 perovskite nanocrystals (PNCs). The optimum ...

    • openAccess   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 ...

    • openAccess   Optical Optimization of the TiO2 Mesoporous Layer in Perovskite Solar Cells by the Addition of SiO2 Nanoparticles 

      Aeineh, Naemeh; Castro-Méndez, Andrés-Felipe; Rodriguez-Cantó, Pedro J.; Abargues, Rafael; Hassanabadi, Ehsan; Suárez, Isaac; Behjat, Abbas; Ortiz, Pablo; Martínez-Pastor, Juan P.; Mora-Sero, Ivan American Chemical Society: (2018-08-23)
      In this work, SiO2 nanoparticles (NPs) were integrated into the mesoporous TiO2 layer of a perovskite solar cell to investigate their effect on cell performance. Different concentrations of SiO2/ethanol have been combined ...

    • openAccess   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 ...

    • openAccess   Organohalide Perovskites are Fast Ionic Conductors 

      Vicente-Agut, Nuria; Garcia-Belmonte, Germà Wiley (2017-10-11)
      Fast ionic conductors constitute a family of materials exhibiting high values of the ionic conductivity while their crystal structure remains rather rigid. Perovskite-like compounds are known to be good ionic conductors ...

    • openAccess   Origin of discrete donor–acceptor pair transitions in 2D Ruddlesden–Popper perovskites 

      Gorji, Setatira; Krecmarova, Marie; Molina-Sánchez, Alejandro; Asensio, Maria C.; Gualdrón Reyes, Andrés Fabián; Rodríguez Romero, Jesús; Pashaei Adl, Hamid; Canet Albiach, Rodolfo Enrique; Schio, Luca; Tormen, Massimo; Floreano, Luca; Mora-Sero, Ivan; Martínez-Pastor, Juan P.; Sánchez Royo, Juan Francisco; Muñoz-Matutano, Guillermo American Institute of Physics (2024)
      Two-dimensional (2D) van der Waals nanomaterials have attracted considerable attention for potential use in photonic and light–matter applications at the nanoscale. Thanks to their excitonic properties, 2D perovskites are ...

    • openAccess   Origin of photovoltage in perovskite solar cells probed by first-principles calculations 

      Echeverría-Arrondo, Carlos (2018-06-04)
      Hybrid halide perovskite solar cells hold great potential for photovoltaic applications, but suffer, however, from anomalous current density-voltage characteristics. With a view to further understanding the performance of ...

    • openAccess   Origins and mechanisms of hysteresis in organometal halide perovskites 

      Li, Cheng; Guerrero, Antonio; Zhong, Yu; Huettner, Sven IOP (2017-04)
      Inorganic–organic halide organometal perovskites, such as CH3NH3PbI3 and CsPbI3, etc, have been an unprecedented rising star in the field of photovoltaics since 2009, owing to their exceptionally high power conversion ...

    • openAccess   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 ...

    • closedAccess   Overcoming Charge Collection Limitation at Solid/Liquid Interface by a Controllable Crystal Deficient Overlayer 

      Zhang, Kan; Ravishankar, Sandheep; Ma, Ming; Veerappan, Ganapathy; Bisquert, Juan; Fabregat-Santiago, Francisco; Park, Jong Hyeok Wiley (2017)
      Bulk and surface charge recombination of photoelectrode are two key processes that significantly hinder solar-to-fuel conversion of photoelectrochemical cell (PEC). In this study, the function of a “crystal-deficient” ...

    • closedAccess   Overcoming ionic migration in perovskite solar cells through alkali metals 

      Aranda Alonso, Clara; Alvarez, Agustin; Chivrony, Vladimir S.; Das, Chittaranjan; Rai, Monika; Saliba, Michael Elsevier (2024-01-17)
      Alkali metals, as additives in perovskite solar cells (PSCs), have been extensively investigated for their impact on performance enhancement. This performance is sensitive to ion-driven interfacial recombination processes ...

    • closedAccess   Paramagnetic ionic liquid-coated SiO2@Fe3O4 nanoparticles—The next generation of magnetically recoverable nanocatalysts applied in the glycolysis of PET 

      Cano, Israel; Martin, Carmen; Alves Fernandes, Jesum; Lodge, Rhys; Dupont, Jairton; Casado-Carmona, Francisco Antonio; Lucena Rodríguez, Rafael; Cárdenas Aranzana, María Soledad; Sans, Victor Elsevier (2020-01)
      The functionalization of silica-coated, magnetic Fe3O4 nanoparticles, with an iron-containing ionic liquid, allows for the synthesis of a Fe3O4@SiO2@(mim)[FeCl4] system that can be employed as a magnetically recoverable ...

    • openAccess   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 ...

    • openAccess   Pencil graphite rods decorated with nickel and nickel-iron as low-cost oxygen evolution reaction electrodes 

      Arcas, Ramón; Koshino, Yuuki; Mas, Elena; Tsuji, Ryuki; Masutani, Hideaki; Miura-Fujiwara, Eri; Haruyama, Yuichi; Nakashima, Seiji; Ito, Seigo; Fabregat-Santiago, Francisco Royal Society of Chemistry (2021)
      Society is demanding clean energy to substitute greatly polluting carbon-based fuels. As an alternative, the use of green hydrogen produced by electrocatalysis constitutes a nice strategy as its products and reactants are ...

    • openAccess   Perovskite Photovoltaic Modules: Life Cycle Assessment of Pre-industrial Production Process 

      Alberola-Borràs, Jaume-Adrià; Baker, Jenny A.; De Rossi, Francesca; Vidal, Rosario; Beynon, David; Hooper, Katherine E.A.; Watson, Trystan; Mora-Sero, Ivan Elsevier (2018)
      Photovoltaic devices based on perovskite materials have a great potential to become an exceptional source of energy while preserving the environment. However, to enter the global market, they require further development ...

    • closedAccess   Perovskite semiconductors for photoelectrochemical water splitting applications 

      Guerrero, Antonio; Bisquert, Juan Elsevier (2017-04)
      Perovskite oxide semiconductors have been used as efficient electrocatalysts for electrochemical reactions using an external applied bias. The review describes the different alternatives to use perovskite materials as ...

    • closedAccess   Perovskite Solar Cell Modeling Using Light- and Voltage-Modulated Techniques 

      Ravishankar, Sandheep; Aranda Alonso, Clara; Sanchez, Sandy; Bisquert, Juan; Saliba, Michael; Garcia-Belmonte, Germà American Chemical Society (2019-02-27)
      The analysis of the impedance spectroscopy (IS) data of perovskite solar cells (PSCs) has been challenging so far, with the low-frequency phenomena in particular yielding ambivalent results and interpretations. We tackle ...

    • openAccess   Perovskite solar cells with versatile electropolymerized fullerene as electron extraction layer 

      Suárez, María B.; Aranda Alonso, Clara; Macor, Lorena; Durantini, Edgardo N.; Heredia, Daniel A.; Otero, Luis; Guerrero, Antonio; Gervaldo, Miguel Elsevier (2018-10-02)
      An electropolymerized layer of a C60 fullerene derivative was successfully used as selective contact and electron transport layer in perovskite solar cells. The electropolymeric film was formed over FTO electrodes by an ...

    • openAccess   Perovskite solar cells: a brief introduction and some remarks 

      Almora Rodríguez, Osbel; Vaillant Roca, Lidice; Garcia-Belmonte, Germà Sociedad Cubana de Física (2017)
      The spectacular and unprecedented rise of so-called perovskite solar cells (PSCs) in conversion efficiency with low-cost manufacturing processes has grabbed the attention of the scientific community ...

    • openAccess   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, ...