Listar Institute of Advanced Materials (INAM) por autoría "ca5905fc-75b4-4287-add8-c476d4aac663"
Mostrando ítems 1-16 de 16
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A metal-organic framework converted catalyst that boosts photo-electrochemical water splitting
Cardenas-Morcoso, Drialys; Ifraemov, Raya; García-Tecedor, Miguel; Liberman, Itamar; Gimenez, Sixto; Hod, Idan Royal Society of Chemistry (2019-04-08)Realization of photo-electrochemical water splitting to generate H2 alternative fuel requires the facilitation of the kinetically-sluggish oxygen evolution reaction (OER) occurring at the photoanode. To do so, there is a ... -
An integrated photoanode based on non-critical raw materials for robust solar water splitting
Cardenas-Morcoso, Drialys; García-Tecedor, Miguel; Merdzhanova, Tsvetelina; Smirnov, Vladimir; Finger, Friedhelm; Kaiser, Bernhard; Jaegermann, Wolfram; Gimenez, Sixto Royal Society of Chemistry (2020)Herein, we have developed an integrated photoanode for solar water splitting based on an ‘‘Earthabundant’’ Ni–Fe based electrocatalyst combined with a versatile multijunction Si-based photovoltaic device, designed in such ... -
Chromium doped copper vanadate photoanodes for water splitting
Cardenas-Morcoso, Drialys; Peiro-Franch, Anna; Herraiz Cardona, Isaac; Gimenez, Sixto Elsevier (2017-07-15)Solar hydrogen obtained from photoelectrochemical water splitting offers a versatile approach towards the substitution of fossil fuels by decentralized and sustainable resources, like water and sun. In the present study ... -
Cobalt Hexacyanoferrate on BiVO4 Photoanodes for Robust Water Splitting
Hegner, Franziska; Herraiz Cardona, Isaac; Cardenas-Morcoso, Drialys; López, Núria; Galan-Mascaros, Jose Ramon; Gimenez, Sixto (2017-11-01)The efficient integration of photoactive and catalytic materials is key to promoting photoelectrochemical water splitting as a sustainable energy technology built on solar power. Here, we report highly stable water splitting ... -
Direct Observation of the Chemical Transformations in BiVO4 Photoanodes upon Prolonged Light-Aging Treatments
Arcas, Ramón; Cardenas-Morcoso, Drialys; Spadaro, Maria Chiara; García-Tecedor, Miguel; Mesa, Camilo A.; Arbiol, Jordi; Fabregat-Santiago, Francisco; Gimenez, Sixto; Mas, Elena Wiley (2022-03-11)Exposing BiVO4 photoanodes to light-aging treatments is known to produce a significant photocurrent enhancement. Until now, the interpretation given to this phenomenon is associated to the formation of oxygen vacancies and ... -
Electronic Effects Determine the Selectivity of Planar Au–Cu Bimetallic Thin Films for Electrochemical CO2 Reduction
Liu, Kai; Ma, Ming; Wu, Longfei; Valenti, Marco; Cardenas-Morcoso, Drialys; Hofmann, Jan Philipp; Bisquert, Juan; Gimenez, Sixto; Smith, Wilson A. American Chemical Society (2019-04-10)Au–Cu bimetallic thin films with controlled composition were fabricated by magnetron sputtering co-deposition, and their performance for the electrocatalytic reduction of CO2 was investigated. The uniform planar morphology ... -
Enhancing the Optical Absorption and Interfacial Properties of BiVO4 with Ag3PO4 Nanoparticles for Efficient Water Splitting
Shaddad, Maged; Cardenas-Morcoso, Drialys; Arunachalam, Prabhakarn; García-Tecedor, Miguel; Ghanem, Mohamed A.; Bisquert, Juan; Al-Mayouf, Abdullah; Gimenez, Sixto American Chemical Society (2018-05)Photoelectrochemical water splitting using semiconductor materials has emerged as a promising approach to produce hydrogen (H2) from renewable resources such as sunlight and water. In the present study, Ag3PO4 nanoparticles ... -
Improving the Back Surface Field on an Amorphous Silicon Carbide Thin‐Film Photocathode for Solar Water Splitting
Perez-Rodriguez, Paula; Cardenas-Morcoso, Drialys; Digdaya, Ibadillah; Mangel Raventos, Andrea; Procel, Paul; Isabella, Olindo; Gimenez, Sixto; Zeman, Miro; Smith, Wilson A.; Smets, Arno H. M. Wiley-VCH Verlag (2018-06-11)Amorphous silicon carbide (a‐SiC:H) is a promising material for photoelectrochemical water splitting owing to its relatively small band‐gap energy and high chemical and optoelectrical stability. This work studies the ... -
Intensity-Modulated Photocurrent Spectroscopy for Solar Energy Conversion Devices: What Does a Negative Value Mean?
Cardenas-Morcoso, Drialys; Bou, Agustín; Ravishankar, Sandheep; García-Tecedor, Miguel; Gimenez, Sixto; Bisquert, Juan American Chemical Society (2020-01-10)Small perturbation techniques constitute a wide family of tools for the characterization of solar energy conversion devices such as photovoltaic cells and photoelectrochemical (PEC) cells for solar fuel production. Two ... -
Lead Sulfide Nanocubes for Solar Energy Storage
Lemsi, Amira; Cardenas-Morcoso, Drialys; Haro, Marta; Gil Barrachina, Carlos; Aranda Alonso, Clara; Maghraoui Meherzi, Hager; García-Tecedor, Miguel; Gimenez, Sixto; Julian-Lopez, Beatriz Wiley (2020-04-23)Lead sulfide (PbS) nanocubes are produced by a very simple solvothermal procedure that uses a unique molecule, ethylenediamine, as solvent and capping ligand to control the size and shape of the nanocrystals. Detailed ... -
Level Alignment as Descriptor for Semiconductor/Catalyst Systems in Water Splitting: The Case of Hematite/Cobalt Hexacyanoferrate Photoanodes
Hegner, Franziska; Cardenas-Morcoso, Drialys; Gimenez, Sixto; López, Núria; Galan-Mascaros, Jose Ramon (2017-11-23)The realization of artificial photosynthesis may depend on the efficient integration of photoactive semiconductors and catalysts to promote photoelectrochemical water splitting. Many efforts are currently devoted to the ... -
Photocatalytic and Photoelectrochemical Degradation of Organic Compounds with All-Inorganic Metal Halide Perovskite Quantum Dots
Cardenas-Morcoso, Drialys; Gualdrón Reyes, Andrés Fabián; Ferreira Vitoreti, Ana Beatriz; García-Tecedor, Miguel; YOON, SEOG JOON; Solis de la Fuente, Mauricio; Mora-Sero, Ivan; Gimenez, Sixto American Chemical Society (2019-01)Inspired by the outstanding optoelectronic properties reported for all-inorganic halide perovskite quantum dots (QDs), we have evaluated the potential of these materials toward the photocatalytic and photoelectrochemical ... -
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 ... -
Switchable All Inorganic Halide Perovskite Nanocrystalline Photoelectrodes for Solar-Driven Organic Transformations
Fernandez-Climent, Roser; Gualdrón Reyes, Andrés Fabián; García-Tecedor, Miguel; Mesa, Camilo A.; Cardenas-Morcoso, Drialys; Montañés, Laura; Barea, Eva M; Mas, Elena; Julian-Lopez, Beatriz; Mora-Sero, Ivan; Gimenez, Sixto Wiley (2021-10-30)All inorganic halide perovskite nanocrystals (NCs) are considered as fascinating materials for a wide range of optoelectronic applications encompassing photovoltaics, lasing, sensing, and photocatalysis due to their ... -
The Role of Underlayers and Overlayers in Thin Film BiVO4 Photoanodes for Solar Water Splitting
García-Tecedor, Miguel; Cardenas-Morcoso, Drialys; Fernández Climent, Roser; Gimenez, Sixto Wiley (2019-08-09)Light‐driven water splitting with metal oxide semiconductor materials to produce H2 constitutes one of the most promising energy conversion technologies built on solar power. BiVO4 stands out as one of the most attractive ... -
TiO2 Nanotubes for Solar Water Splitting: Vacuum Annealing and Zr Doping Enhance Water Oxidation Kinetics
Shaddad, Maged; Cardenas-Morcoso, Drialys; García-Tecedor, Miguel; Fabregat-Santiago, Francisco; Bisquert, Juan; Al-Mayouf, Abdullah; Gimenez, Sixto American Chemical Society (2019-09-18)Herein, we report the cooperative effect of Zr doping and vacuum annealing on the carrier dynamics and interfacial kinetics of anodized TiO2 nanotubes for light-driven water oxidation. After evaluation of different Zr loads ...