Browsing INAM_Articles by Title

Now showing items 417-436 of 528

    • openAccess   Separating bulk and surface processes in NiOx electrocatalysts for water oxidation 

      Corby, Sacha; García-Tecedor, Miguel; Tengeler, Sven; Steinert, Céline; Moss, Benjamin; Mesa, Camilo A.; Heiba, Hany Fathy; Wilson, Anna A.; Kaiser, Bernhard; Jaegermann, Wolfram; Francàs Forcada, Laia; Gimenez, Sixto; Durrant, James Royal Society of Chemistry (2020-08-10)
      Nickel oxide-based catalysts currently represent the state of the art in electrochemical water oxidation in alkaline pH. However, much of their functionality remains poorly understood, particularly regarding catalytically ...

    • openAccess   Shape-Adaptability and Redox-Switching Properties of a Di-Gold Metallotweezer 

      Ibáñez, Susana; Peris, Eduardo Wiley (2021-04-12)
      The use of a carbazolyl-connected di-gold(I) metallotweezer for the encapsulation of several electron-poor organic substrates, and a planar Au(III) complex containing a CNC pincer ligand, is described. The binding affinity ...

    • openAccess   Simultaneous Color Restoration and Depth Estimation in Light Field Imaging 

      Pla, Filiberto; Li, Yongwei; Sjostrom, Marten; Fernandez-Beltran, Ruben (2022-05-03)
      Recent studies in the light field imaging have shown the potential and advantages of different light field information processes. In most of the existing techniques, the processing pipeline of light field has been treated ...

    • openAccess   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 ...

    • openAccess   Single-Exciton Amplified Spontaneous Emission in Thin Films of CsPbX3 (X = Br, I) Perovskite Nanocrystals 

      Navarro-Arenas, Juan; Suárez, Isaac; Chirvony, Vladimir; Gualdrón Reyes, Andrés Fabián; Mora-Sero, Ivan; Martínez-Pastor, Juan P. American Chemical Society (2019-09-23)
      CsPbX3 perovskite nanocrystals (PNCs) have emerged as an excellent material for stimulated emission purposes, with even more prospective applications than conventional colloidal quantum dots. However, a better understanding ...

    • openAccess   Single-Walled Carbon Nanotubes Encapsulated within Metallacycles 

      López-Moreno, Alejandro; Ibáñez, Susana; Moreno Da Silva, Sara; Ruiz-González, Luisa; Martín Sabanés, Natalia; Peris, Eduardo; Perez, Emilio Wiley (2022-09-26)
      Mechanically interlocked derivatives of carbon nanotubes (MINTs) are interesting nanotube products since they show high stability without altering the carbon nanotube structure. So far, MINTs have been synthesized using ...

    • closedAccess   Smart N-Heterocyclic Carbene Ligands in Catalysis 

      Peris, Eduardo American Chemical Society (2017)
      It is well-recognized that N-heterocyclic carbene (NHC) ligands have provided a new dimension to the design of homogeneous catalysts. Part of the success of this type of ligands resides in the limitless access to a variety ...

    • closedAccess   Solar Energy Storage by a Heterostructured BiVO4–PbOx Photocapacitive Device 

      Safshekan, Saeid; Herraiz Cardona, Isaac; Cardenas-Morcoso, Drialys; Ojani, Reza; Haro, Marta; Gimenez, Sixto American Chemical Society (2017)
      The development of solar energy storage strategies is a key step for handling the inherent variability of sunlight within a global solar-based energy model. In the present study, we have developed a photocapacitive device ...

    • openAccess   Solution-Processed Ni-Based Nanocomposite Electrocatalysts: An Approach to Highly Efficient Electrochemical Water Splitting 

      Noguera-Gomez, Jaume; García-Tecedor, Miguel; Sánchez Royo, Juan Francisco; Valencia, Luisa M.; de la Mata, María; Herrera Collado, Miriam; Molina, Sergio I.; Abargues, Rafael; Gimenez, Sixto American Chemical Society (2021-05-10)
      In this study, we report an up-scalable and low-cost solution-processed method to in situ synthesize an earth-abundant non-stoichiometric NiOx-based electrocatalytic film for water oxidation. The catalytic activity was ...

    • openAccess   Solvent-Mediated Structural Evolution Mechanism from Cs4PbBr6 to CsPbBr3 Crystals 

      La Porta, Felipe A; Masi, Sofia MDPI (2021-07-05)
      The study of the solvent-mediated structural evolution mechanism of the Cs4PbBr6 powders prepared using the solvothermal method is presented. The Cs4PbBr6 powders with a rhombohedral structure and an intense green emission ...

    • openAccess   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 ...

    • openAccess   Spectroelectrochemical Analysis of the Water Oxidation Mechanism on Doped Nickel Oxides 

      Rao, Reshma R.; Corby, Sacha; Bucci, Alberto; García-Tecedor, Miguel; Mesa, Camilo A.; Rossmeisl, Jan; Gimenez, Sixto; Lloret Fillol, Julio; Stephens, Ifan; Durrant, James American Chemical Society (2022-04-20)
      Metal oxides and oxyhydroxides exhibit state-of-the-art activity for the oxygen evolution reaction (OER); however, their reaction mechanism, particularly the relationship between charging of the oxide and OER kinetics, ...

    • closedAccess   Spin Coherence and Relaxation Dynamics of Localized Electrons and Holes in FAPbI3 Films 

      Lagüe, Guillaume; Bernardot, Frederick; Guilloux, Victor; LEGRAND, Laurent; Barisien, Thierry; Sanchez-Diaz, Jesus; Galve Lahoz, Sergio; Saïdi, Imen; Boujdaria, Kais; Martínez-Pastor, Juan P.; TESTELIN, Christophe; Mora-Sero, Ivan; Chamarro, Maria ACS Publications (2024-07-04)
      We obtained highly stable polycrystalline thin films of FAPbI3 prepared under air ambient conditions. In these materials, the presence of Pb–O bonds prevents the propagation of α- to δ-FAPbI3 phase conversion and allowed ...

    • closedAccess   Spin polarisation in dual catalysts for the oxygen evolution and reduction reactions 

      Gracia, Jose; Fianchini, Mauro; Biz, Chiara; Polo, Victor; Gómez, Roberto Elsevier (2021-07-09)
      Strongly correlated catalysts can be understood from precise quantum approximations. Incorporating properly electronic correlations thus let’s define Spin rules in catalysis, opening a new door towards optimum compositions ...

    • openAccess   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 ...

    • closedAccess   Stability of 3D-porous Ni/Cu cathodes under real alkaline electrolyzer operating conditions and its effect on catalytic activity 

      Valero-Vidal, Carlos; Herraiz Cardona, Isaac; Pérez-Herranz, Valentín; Igual-Muñoz, Anna Elsevier (2016)
      Despite the development and synthesis of new electrode materials for hydrogen generation in alkaline water electrolyzers has been a research topic widely exploited in the last years, stability tests on the obtained cathodes ...

    • openAccess   Stability of dye-sensitized solar cells under extended thermal stress 

      Yadav, Surendra K.; Ravishankar, Sandheep; Pescetelli, Sara; Agresti, Antonio; Fabregat-Santiago, Francisco; Di Carlo, Aldo Royal Society of Chemistry (2017)
      In the last few decades, dye-sensitized solar cell (DSC) technology has been demonstrated to be a promising candidate for low cost energy production due to cost-effective materials and fabrication processes. Arguably, DSC ...

    • openAccess   Stabilization of Black FAPbI3 Perovskite by Interaction with the Surface of the Polymorphic Phase α-PbO 

      Echeverría-Arrondo, Carlos; muhammed, kunnummal; Masi, Sofia; Mora-Sero, Ivan Wiley-VCH GmbH (2023-02-03)
      The black phase of formamidinium lead iodide, FAPbI3, is optically active and promising for optoelectronics applications. However, it is difficult to synthesize and stabilize at room temperature since it thermodynamically ...

    • openAccess   Stabilization of Black Perovskite Phase in FAPbI3 and CsPbI3 

      Masi, Sofia; Gualdrón Reyes, Andrés Fabián; Mora-Sero, Ivan American Chemical Society (2020-05-28)
      Although halide perovskites allow a great versatility, the application on single-absorber solar cells restricts significantly the number of available materials. In this context, CsPbI3 and FAPbI3 (FA, formamidinium) present ...

    • openAccess   Stabilization of Nanoparticles Produced by Hydrogenation of Palladium–N-Heterocyclic Carbene Complexes on the Surface of Graphene and Implications in Catalysis 

      Mollar Cuni, Andrés; Ventura Espinosa, David; Martín Solans, Santiago; Mayoral, Álvaro; Borja, María Pilar; Mata Martínez, Jose A American Chemical Society (2018)
      Palladium nanoparticles (NPs) have been obtained by decomposition of well-defined palladium complexes noncovalently anchored onto the surface of reduced graphene oxide. Morphological analysis by microscopy showed the ...