Visualitza INAM_Articles per autoria "f91ca8b7-2f59-4583-a516-f4d4186c64ca"
Ara mostrant els elements 1-20 d 51
-
2D Bismuthene as a Functional Interlayer between BiVO4 and NiFeOOH for Enhanced Oxygen-Evolution Photoanodes
Cui, Junyi; Daboczi, Matyas; Regue, Miriam; Chin, Yi-Chun; Pagano, Katia; Zhang, Jifang; Isaacs, Mark; Kerherve, Gwilherm; Mornto, Aris; West, James; Gimenez, Sixto; Kim, Ji-Seon; Eslava, Salvador Wiley (2022-10-26)BiVO4 has attracted wide attention for oxygen-evolution photoanodes in water-splitting photoelectrochemical devices. However, its performance is hampered by electron-hole recombination at surface states. Herein, partially ... -
A low temperature aqueous formate fuel cell using cobalt hexacyanoferrate as a non-noble metal oxidation catalyst
Han, Lijuan; González-Cobos, Jesús; Sánchez-Molina, Irene; Giancola, Stefano; Folkman, Scott; Gimenez, Sixto; Vidal-Ferran, Anton; Galan-Mascaros, Jose Ramon Royal Society of Chemistry (2020-12-01)Cobalt hexacyanoferrate, the Co–Fe Prussian blue derivative (CoFePB), is an effective, selective and stable electrocatalyst for formate oxidation, exhibiting robust performance under a variety of electrolyte conditions. ... -
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 ... -
A Perovskite Photovoltaic Mini-Module-CsPbBr3 Photoelectrochemical Cell Tandem Device for Solar-Driven Degradation of Organic Compounds
Lee, Seul-Yi; Serafini, Patricio; Masi, Sofia; Gualdrón Reyes, Andrés Fabián; Mesa, Camilo A.; Rodriguez-Pereira, Jhonatan; Gimenez, Sixto; Lee, Hyo Joong; Mora-Sero, Ivan American Chemical Society (2023-10-02)Recently, halide perovskites have been widely explored for high-efficiency photocatalysis or photoelectrochemical (PEC) cells. Here, in order to make an efficient photoanode electrode for the degradation of pollutants, ... -
An artificial leaf device built with earth-abundant materials for combined H-2 production and storage as formate with efficiency > 10%
Ampelli, Claudio; Giusi, Daniele; Miceli, Matteo; Merdzhanova, Tsvetelina; Smirnov, Vladimir; Chime, Ugochi; Astakhov, Oleksandr; Martín, Antonio José; Veenstra, Florentine; Garcés Pineda, Felipe Andrés; González-Cobos, Jesús; García-Tecedor, Miguel; Gimenez, Sixto; Jaegermann, Wolfram; Centi, Gabriele; Pérez-Ramírez, Javier; Galan-Mascaros, Jose Ramon; Perathoner, Siglinda Royal Society of Chemistry (2023-02-15)A major challenge for achieving energy transition and transforming the current energy model into distributed production is the development of efficient artificial leaf-type devices capable of directly converting carbon ... -
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 ... -
Application of Halide Perovskite Nanocrystals in Solar-Driven Photo(electro)Catalysis
Gualdrón Reyes, Andrés Fabián; Mesa, Camilo A.; Gimenez, Sixto; Mora-Sero, Ivan Wiley (2022-03-15)Photo(electro)catalysis (PEC) is a promising strategy to conduct attractive solar-driven reactions such as CO2 reduction to form added-value products, H2 production, and organic substrates oxidation, taking advantage of ... -
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 as a Selective and High Current Density Formate Oxidation Electrocatalyst
Han, Lijuan; González-Cobos, Jesús; Sánchez-Molina, Irene; Giancola, Stefano; Folkman, Scott; Tang, PengYi; Heggen, Marc; Dunin-Borkowski, Rafal; Arbiol, Jordi; Gimenez, Sixto; Galan-Mascaros, Jose Ramon American Chemical Society (2020-09-28)Herein we report the selectivity, stability, and electrochemical characterization of cobalt hexacyanoferrate, the Co–Fe Prussian Blue derivative (CoFePB), as a formate/formic acid oxidation electrocatalyst in aqueous media. ... -
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 ... -
Cooperative Catalytic Effect of ZrO2 and a-Fe2O3 Nanoparticles on BiVO4 Photoanodes for Enhanced Photoelectrochemical Water Splitting
Shaddad, Maged; Ghanem, Mohamed A.; Al-Mayouf, Abdullah; Gimenez, Sixto; Bisquert, Juan; Herraiz Cardona, Isaac Wiley (2016-09)Photoelectrochemical water splitting with metal oxide semiconductors offers a cost-competitive alternative for the generation of solar fuels. Most of the materials studied so far suffer from poor charge-transfer kinetics ... -
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 ... -
Efficient and Stable Blue- and Red-Emitting Perovskite Nanocrystals through Defect Engineering: PbX2 Purification
Lee, ChaeHyun; Shin, YeJi; Villanueva Antoli, Alexis; Das Adhikari, Samrat; Rodriguez-Pereira, Jhonatan; Macak, Jan; Mesa, Camilo A.; Gimenez, Sixto; YOON, SEOG JOON; Gualdrón Reyes, Andrés Fabián; Mora-Sero, Ivan American Chemical Society (2021-11-11)Current efforts to reduce the density of structural defects such as surface passivation, doping, and modified synthetic protocols have allowed us to grow high-quality perovskite nanocrystals (PNCs). However, the role of ... -
Efficient Ligand Passivation Enables Ultrastable CsPbX3 Perovskite Nanocrystals in Fully Alcohol Environments
Gualdrón Reyes, Andrés Fabián; Fernandez-Climent, Roser; Masi, Sofia; Mesa, Camilo A.; Echeverría-Arrondo, Carlos; Aiello, Federica; Balzano, Federica; Uccello-Barretta, Gloria; Rodríguez-Pereira, Jhonatan; Gimenez, Sixto; Mora-Sero, Ivan Wiley (2023)Halide perovskite nanocrystals (PNCs) have demonstrated their wide potential to fabricate efficient optoelectronic devices and to prepare promising photocatalysts for solar-driven photo(electro)chemical reactions. However, ... -
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 ... -
Electrophoretic deposition of antimonene for photoelectrochemical applications
Barrio, Jesús; Gibaja, Carlos; García-Tecedor, Miguel; Abisdris, Liel; Torres, Iñigo; Karjule, Neeta; Gimenez, Sixto; Shalom, Menny; Zamora, Félix Elsevier (2020-06-10)Antimonene is a recently developed two-dimensional material with outstanding expected physical properties based on theoretical calculations. Liquid phase-exfoliation has become the most straight forward preparation method ... -
Electropolymerized polyaniline: A promising hole selective contact in organic photoelectrochemical cells
Belarbi, Eya; Blas Ferrando, Vicente M.; Haro, Marta; Maghraoui Meherzi, Hager; Gimenez, Sixto Elsevier (2016-11)In the present study, we have prepared Polyaniline (PANI) thin films by electrochemical polymerization on ITO substrates in acidic medium at room temperature. We have followed a systematic modification of both the precursor ... -
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 ... -
Exploiting the synergistic catalytic effects of CoPi nanostructures on Zr-doped highly ordered TiO2 nanotubes for efficient solar water oxidation
Gimenez, Sixto; Shaddad, Maged; Arunachalam, Prabhakarn; Amer, Mabrook S.; Al-Mayouf, Abdullah; Hezam, Mahmoud; AlOraij, Haneen A. John Wiley & Sons (2022-05-03)Photoelectrochemical (PEC) catalysis offers promising strategies for sustainable development. This study demonstrated the synergistic catalytic behavior of ZrO2 and a cobalt phosphate on anodized TiO2 nanotubes (TNTs), ... -
Facile fabrication of heterostructured BiPS4-Bi2S3-BiVO4 photoanode for enhanced stability and photoelectrochemical water splitting performance
Naji Shaddad, Maged; Arunachalam, Prabhakarn; Hezam, Mahmoud; BinSaeedan, Norah M.; Gimenez, Sixto; Bisquert, Juan; Al-Mayouf, Abdullah Elsevier (2023-02)Bismuth vanadate (BiVO4) is the most favorable electrode candidate for photoelectrochemical (PEC) water-splitting reactions. The poor charge separation and sluggish water oxidation dynamics are, however, the major setbacks ...