Listar INAM_Articles por autoría "f91ca8b7-2f59-4583-a516-f4d4186c64ca"
Mostrando ítems 41-51 de 51
-
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, ... -
Sustainable oxygen evolution electrocatalysis in aqueous 1 M H2SO4 with earth abundant nanostructured Co3O4
Yu, Jiahao; Garcés Pineda, Felipe Andrés; González-Cobos, Jesús; Peña-Díaz, Marina; Rogero, Celia; Gimenez, Sixto; Spadaro, Maria Chiara; Arbiol, Jordi; Barja, Sara; Galan-Mascaros, Jose Ramon Nature Research (2022-07-27)Earth-abundant electrocatalysts for the oxygen evolution reaction (OER) able to work in acidic working conditions are elusive. While many first-row transition metal oxides are competitive in alkaline media, most of them ... -
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 oxygen vacancies in water splitting photoanodes
Fernandez-Climent, Roser; Gimenez, Sixto; García-Tecedor, Miguel Royal Society of Chemistry (2020-12-01)Photoelectrochemical water splitting has become one of the most reliable solar-energy conversion technologies for clean hydrogen production. In the race of developing and understanding new semiconducting materials for ... -
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 ... -
Ultrafast characterization of the electron injection from CdSe quantum dots and dye N719 co-sensitizers into TiO2 using sulfide based ionic liquid for enhanced long term stability
González Pedro, Victoria; Shen, Qing; Jovanovski, Vasko; Gimenez, Sixto; Tena-Zaera, Ramón; toyoda, taro; Mora-Sero, Ivan Elsevier (2013)Combination of inorganic quantum dots (QDs) and organic/metallorganic dyes as supracollectors nanocomposites could have an important role on the development of efficient photovoltaic devices based on the synergistic action ... -
Unprecedented solar water splitting of dendritic nanostructured Bi2O3 films by combined oxygen vacancy formation and Na2MoO4 doping
Naji Shaddad, Maged; Arunachalam, Prabhakarn; Hezam, Mahmoud; AL-Saeedan, Norah M.; Gimenez, Sixto; Bisquert, Juan; Al-Mayouf, Abdullah Elsevier (2021-05-27)We demonstrate the synergetic effect of Na2MoO4-doping and vacuum-annealing on dendritic nanostructured bismuth oxide (Bi2O3) thin films prepared by electrodeposition for visible-light-assisted photoelectrochemical (PEC) ... -
Unraveling Charge Transfer in CoFe Prussian Blue Modified BiVO4 Photoanodes
Moss, Benjamin; Hegner, Franziska; Corby, Sacha; Selim, Shababa; Francàs Forcada, Laia; López, Núria; Gimenez, Sixto; Galan-Mascaros, Jose Ramon; Durrant, James American Chemical Society (2019)Catalyst modification of metal oxide photoanodes can result in markedly improved water oxidation efficiency. However, the reasons for improvement are often subtle and controversial. Upon depositing a CoFe Prussian blue ... -
Unravelling the Photocatalytic Behavior of All-Inorganic Mixed Halide Perovskites: The Role of Surface Chemical States
Gualdrón Reyes, Andrés Fabián; Rodriguez-Pereira, Jhonatan; Amado - González, Eliseo; Rueda-P, Jorge; Ospina, Rogelio; Masi, Sofia; YOON, SEOG JOON; Tirado, Juan; Jaramillo, Franklin; Agouram, Said; Muñoz-Sanjosé, Vicente; Gimenez, Sixto; Mora-Sero, Ivan American Chemical Society (2019-12)Within the most mesmerizing materials in the world of optoelectronics, mixed halide perovskites (MHPs) have been distinguished because of the tunability of their optoelectronic properties, balancing both the light-harvesting ... -
WO3/BiVO4: impact of charge separation at the timescale of water oxidation
Selim, Shababa; Francàs Forcada, Laia; García-Tecedor, Miguel; Corby, Sacha; Blackman, Chris; Gimenez, Sixto; Durrant, James; Kafizas, Andreas Royal Society of Chemistry (2019-01-16)The four hole oxidation of water has long been considered the kinetic bottleneck for overall solar-driven water splitting, and thus requires the formation of long-lived photogenerated holes to overcome this kinetic barrier. ...