Visualitza Institute of Advanced Materials (INAM) per autoria "c66bfb14-3d72-4e10-9e68-a863597bc96d"
Ara mostrant els elements 1-8 d 8
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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 ... -
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), ... -
Improved solar water splitting performance of BiVO4 photoanode by the synergistic effect of Zr-Mo co-doping and FeOOH Co-catalyst layer
Shaddad, Maged; Hezam, Mahmoud; Arunachalam, Prabhakarn; AL-Saeedan, Norah M.; Gimenez, Sixto; Bisquert, Juan; Al-Mayouf, Abdullah Elsevier (2022)In this work, Zr-Mo co-doping was successfully employed on electrochemically deposited BiVO4 photoanodes, and tested for photoelectrochemical (PEC) water oxidation. Zr doping induced the formation of relatively smaller ... -
Kinetic and material properties of interfaces governing slow response and long timescale phenomena in perovskite solar cells.
Wang, Hongxia; Guerrero, Antonio; Bou, Agustín; Al-Mayouf, Abdullah; Bisquert, Juan Royal Society of Chemistry (2019-05-01)The last decade has witnessed the skyrocketing progress of perovskite solar cells (PSCs) with their current world record energy conversion efficiency reaching over 24%. Nevertheless, the unsatisfactory device stability and ... -
Physical Model for the Current–Voltage Hysteresis and Impedance of Halide Perovskite Memristors
Berruet, Mariana; Pérez-Martínez, José Carlos; Romero, Beatriz; Gonzales, Cedric; Al-Mayouf, Abdullah; Guerrero, Antonio; Bisquert, Juan American Chemical Society (2022-03-01)An investigation of the kinetic behavior of MAPbI3 memristors shows that the onset voltage to a high conducting state depends strongly on the voltage sweep rate, and the impedance spectra generate complex capacitive and ... -
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 ... -
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) ...