Listar por tema "Electrochemistry"

Mostrando ítems 1-9 de 9

    • closedAccess   Controlled Carbon Nitride Growth on Surfaces for Hydrogen Evolution Electrodes 

      Shalom, Menny; Gimenez, Sixto; Schipper, Florian; Herraiz Cardona, Isaac; Bisquert, Juan; Antonietti, Markus Wiley (2014-04-01)
      Efficient and low-cost electrocatalysts for the hydrogen evolution reaction are highly desired for future renewable energy systems. Described herein is the reduction of water to hydrogen using a metal-free carbon nitride ...

    • openAccess   Design, Synthesis, and Characterization of New Generation Lithium Batteries 

      Vicente Agut, Nuria Universitat Jaume I (2019-06-26)
      In the last years, Li-ion batteries received great attention because of the increasing energetics requirements of modern society across a broad range of applications. We need to switch to renewable source energy and be ...

    • openAccess   Dilemmas of dye-sensitized solar cells 

      Bisquert, Juan Wiley-VCH Verlag Berlin (2011)
      Ferrocene to the rescue: The dye-sensitized solar cell allows changes in the energetics of electron transport, molecular absorbers, and hole transport materials to better harvest the energy of solar photons (see picture). ...

    • openAccess   Electrochemical valorization of HMF using Ni/Graphite electrodes 

      Carvajal, David; Arcas, Ramón; Gouda, Laxman; Fabregat-Santiago, Francisco; Mas, Elena Elsevier (2024-01)
      The electrooxidation of 5-hydroxymethylfurfural (HMF) into 2,5- furandicarboxilic acid (FDCA) has been successfully accomplished using cost-effective NiO–OH electrodes, prepared through Ni electrodeposition on pencil ...

    • closedAccess   Elucidating Capacitance and Resistance Terms in Confined Electroactive Molecular Layers 

      Bueno, Paulo R.; Fabregat-Santiago, Francisco; Davis, Jason J. American Chemical Society (2013)
      Electrochemical analyses on confined electroactive molecular layers, herein exemplified with electroactive self-assembled monolayers, sample current contributions that are significantly influenced by additional nonfaradaic ...

    • closedAccess   Hole conductivity and acceptor density of p-type CuGaO2 nanoparticles determined by impedance spectroscopy: The effect of Mg doping 

      Herraiz Cardona, Isaac; Fabregat-Santiago, Francisco; Renaud, Adèle; Julian-Lopez, Beatriz; Odobel, Fabrice; Carioc, Laurent; Jobic, Stéphane; Gimenez, Sixto Elsevier (2013)
      Delafossite materials like CuGaO2 have appeared as promising p-type semiconductor materials for their exploitation in tandem dye sensitized solar cells and water splitting photoelectrochemical cells. However, the intrinsic ...

    • openAccess   Photoelectrochemical and Impedance Spectroscopic Investigation of Water Oxidation with “Co–Pi”-Coated Hematite Electrodes 

      Klahr, Benjamin; Gimenez, Sixto; Fabregat-Santiago, Francisco; Bisquert, Juan; Hamann, Thomas American Chemical Society (2012)
      Uniform thin films of hematite (α-Fe2O3) deposited by atomic layer deposition (ALD) coated with varying amounts of the cobalt phosphate catalyst, “Co–Pi,” were investigated with steady-state and transient photoelectrochemical ...

    • closedAccess   Photon Up-Conversion with Lanthanide-Doped Oxide Particles for Solar H2 Generation 

      Gonell, Francisco; Haro, Marta; S. Sánchez, Rafael; Negro, Patricia; Mora-Sero, Ivan; Bisquert, Juan; Julian-Lopez, Beatriz; Gimenez, Sixto American Chemical Society (2014-05)
      Up-conversion (UC) of infrared (IR) photons into visible radiation constitutes a promising strategy to enhance the light harvesting efficiency of photovoltaic and photoelectrochemical devices. In the present study, we ...

    • closedAccess   Unsymmetrically Substituted Mo3S44+ Clusters Bearing Diphosphane Ligands 

      Sorribes, Iván; Llusar, Rosa; Vicent Barrera, Cristian WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim (2013-03)
      A unique series of unsymmetrically substituted [Mo3S4(dmpe)3Cl3–x(dca)x]PF6 (x = 0–3) clusters that feature mixed Cl/dca terminal ligands, prepared by thermal reaction of [Mo3S4(dmpe)3Cl3]PF6 ([1]PF6) [dmpe = 1,2-bis(dim ...