Listar Institute of Advanced Materials (INAM) por título

Mostrando ítems 478-497 de 535

    • openAccess   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 ...

    • openAccess   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 ...

    • openAccess   Theoretical Studies of the Self Cleavage Pistol Ribozyme Mechanism 

      Serrano Aparicio, Natalia; Świderek, Katarzyna; Tuñón, Iñaki; Moliner, Vicent; Bertran, Joan Springer (2021-08-25)
      Ribozymes are huge complex biological catalysts composed of a combination of RNA and proteins. Nevertheless, there is a reduced number of small ribozymes, the self-cleavage ribozymes, that are formed just by RNA and, ...

    • openAccess   Theory of Hysteresis in Halide Perovskites by Integration of the Equivalent Circuit 

      Bisquert, Juan; Guerrero, Antonio; Gonzales, Cedric American Chemical Society (2022-07-28)
      Perovskite solar cells show a number of internal electronic–ionic effects that produce hysteresis in the current–voltage curves and a dependence of the temporal response on the conditions of the previous stimulus applied ...

    • closedAccess   Theory of Light-Modulated Emission Spectroscopy 

      Ansari-Rad, Mehdi; Bisquert, Juan American Chemical Society (2017-07)
      Perovskite solar cells and fluorescent collectors formed by a dispersion of quantum dots in a transparent solid are paradigmatic devices for photon capture and utilization that involve the coupling of photon displacement, ...

    • closedAccess   Thermal-Carrier-Escape Mitigation in a Quantum-Dot-In-Perovskite Intermediate Band Solar Cell via Bandgap Engineering 

      Menda, Ugur Deneb; Ribeiro, Guilherme; Deuermeier, Jonas; López, Esther; Nunes, Daniela; Jana, Santanu; Artacho, Irene; Martins, Rodrigo; Mora-Sero, Ivan; Mendes, Manuel Joao; Ramiro, Iñigo American Chemical Society (2023-10-18)
      By harvesting a wider range of the solar spectrum, intermediate band solar cells (IBSCs) can achieve efficiencies 50% higher than those of conventional single-junction solar cells. For this, additional requirements are ...

    • openAccess   Thermodynamic stability screening of IR-photonic processed multication halide perovskite thin films 

      Sanchez, Sandy; Carlsen, Brian; Škorjanc, Viktor; Flores-Díaz, Natalie; Serafini, Patricio; Mora-Sero, Ivan; Schouwink, Pascal; Zakeeruddin, Shaik Mohammed; Graetzel, Michel; Hagfeldt, Anders Royal Society of Chemistry (2021-11-24)
      We report a material screening study for phase transitions of multication hybrid halide perovskite films. Two hundred sixty-six films processed with flash infrared annealing were optically and structurally characterized. This ...

    • openAccess   Time Transients with Inductive Loop Traces in Metal Halide Perovskites 

      Hernández-Balaguera, Enrique; Bisquert, Juan Wiley (2023)
      Metal halide perovskites are archetypal ionic-electronic materials with great prospects for optoelectronic applications. Among the rich variety of physics exhibited by ionic-electronic conduction, here, those most relevant ...

    • openAccess   Tin perovskite solar cells with >1,300 h of operational stability in N2 through a synergistic chemical engineering approach 

      Sanchez-Diaz, Jesus; S. Sánchez, Rafael; Masi, Sofia; Kreĉmarová, Marie; Álvarez, Agustín O.; Barea, Eva M; Rodriguez-Romero, Jesús; Chirvony, Vladimir; Sánchez Royo, Juan Francisco; Martínez-Pastor, Juan P.; Mora-Sero, Ivan Elsevier (2022-03-14)
      Despite the promising properties of tin-based halide perovskites, one clear limitation is the fast Sn+2 oxidation. Consequently, the preparation of long-lasting devices remains challenging. Here, we report a chemical ...

    • openAccess   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 ...

    • openAccess   Towards highly efficient continuous-flow catalytic carbon dioxide cycloadditions with additively manufactured reactors 

      Valverde Barquero, David; Porcar Garcia, Raul; Zanatta, Marcileia; Alcalde, Sergio; Altava, Belen; Sans, Victor; Garcia-Verdugo, Eduardo The Royal Society of Chemistry (2022-03-22)
      Developing efficient and sustainable methodologies to transform CO2 into added-value chemicals is an important strategy for decarbonization in the chemical industry. Here, a new multi-scale approach for the cycloaddition ...

    • closedAccess   Towards the Next Decade for Perovskite Solar Cells 

      Mora-Sero, Ivan; Saliba, Michael; Zhou, Yuanyuan Wiley (2020-02-07)
      In 2009, a study on the use of halide perovskites as light sensi-tizers in liquid dye-sensitized solar cells went almost unnoticeduntil three years later, when an outstanding performance for all-solid perovskite solar cell ...

    • openAccess   Transfer hydrogenations catalyzed by streptavidin-hosted secondary amine organocatalysts 

      Santi, Nicolò; Morrill, Louis; Świderek, Katarzyna; Moliner, Vicent; Luk, Louis Yu Pan Royal Society of Chemistry (2021-02-21)
      Here, the streptavidin–biotin technology was applied to enable organocatalytic transfer hydrogenation. By introducing a biotintethered pyrrolidine (1) to the tetrameric streptavidin (T-Sav), the resulting hybrid catalyst ...

    • openAccess   Transformation of PbI2, PbBr2 and PbCl2 salts into MAPbBr3 perovskite by halide exchange as an effective method for recombination reduction 

      Belarbi, Eya; Vallés-Pelarda, Marta; Clasen Hames, Bruno; S. Sánchez, Rafael; Barea, Eva M; Maghraoui Meherzi, Hager; Mora-Sero, Ivan Royal Society of Chemistry (2017)
      Halide perovskite derivatives present unprecedented physical phenomena among those materials which are suitable for photovoltaics, such as a fast ion diffusion coefficient. In this paper it is reported how the benefits ...

    • closedAccess   Transient On/Off Photocurrent Response of Halide Perovskite Photodetectors 

      Bisquert, Juan; Gonzales, Cedric; Guerrero, Antonio American Chemical Society (2023-10-19)

    • openAccess   Transition from Capacitive to Inductive Hysteresis: A Neuron-Style Model to Correlate I–V Curves to Impedances of Metal Halide Perovskites 

      Gonzales, Cedric; Guerrero, Antonio; Bisquert, Juan American Chemical Society (2022-08-18)
      Metal halide perovskite (MHP) devices often show different types of hysteresis in separate voltage domains. At low voltage, the impedance response is capacitive, and the cell gives regular hysteresis. At high voltage, the ...

    • openAccess   Tripodal halogen bonding iodo-azolium receptors for anion recognition 

      Ruiz-Botella, Sheila; Vidossich, Pietro; Ujaque, Gregori; Peris, Eduardo; Beer, Paul D. Royal Society of Chemistry (2017)
      The synthesis, characterization and anion binding properties of 1,3,5-tri-substituted benzene platform-based tripodal receptors containing halogen bonding (XB) iodo-imidazolium and iodo-triazolium motifs, and hydrogen ...

    • closedAccess   Tris-triazolium Salts as Anion Receptors and as Precursors for the Preparation of Cylinder-like Coordination Cages 

      AL-Shnani, Fadi; Guisado-Barrios, Gregorio; Sainz, Daniel; Peris, Eduardo American Chemical Society (2019)
      The synthesis and characterization of a “click chemistry” derived tripodal tris-1,2,3-triazolium bearing different counterions are described. The trifluoromethanesulfonate trisazolium salt is used as a receptor for halides ...

    • openAccess   Tunable Carbon–CsPbI3 Quantum Dots for White LEDs 

      Rafat Rafiei, Rafat; Gualdrón Reyes, Andrés Fabián; Masi, Sofia; Azizollah Ganji, Bahram; Taghavinia, Nima; Gené Marimon, Santi; Palomares, Emilio; Mora-Sero, Ivan Wiley (2020-12-06)
      In this work, a simple method to prepare white light emissive diodes based on quantum dot (QD) colloidal solutions using mixed carbon QDs (CQDs) and CsPbI3 perovskite (PQDs) is reported. The right combination generates ...

    • openAccess   Tunable hysteresis effect for perovskite solar cells 

      Rong, Yaoguang; Hu, Yue; Ravishankar, Sandheep; huawei, liu; Hou, Xiaomeng; Sheng, Yusong; Mei, Anyi; Xu, Mi; Bisquert, Juan; Han, Hongwei Royal Society of Chemistry (2017-09-14)
      Perovskite solar cells (PSCs) usually suffer from a hysteresis effect in current–voltage measurements, which leads to an inaccurate estimation of the device e fficiency. Although ion migration, charge trapping/ detrapping, ...