ListarFCA_Articles por tema "photovoltaics"

Mostrando ítems 1-9 de 9

    • closedAccess   Capacitive dark currents, hysteresis, and electrode polarization in lead halide perovskite solar cells 

      Almora Rodríguez, Osbel; Zarazúa, Isaac; Mas, Elena; Mora-Sero, Ivan; Bisquert, Juan; Garcia-Belmonte, Germà American Chemical Society (2015-04)
      Despite spectacular advances in conversion efficiency of perovskite solar cell many aspects of its operating modes are still poorly understood. Capacitance constitutes a key parameter to explore which mechanisms control ...

    • openAccess   Diffusion-Recombination Impedance Model for Solar Cells with Disorder and Nonlinear Recombination 

      Bisquert, Juan; Mora-Sero, Ivan; Fabregat-Santiago, Francisco Wiley-VCH (2013-09-23)
      The diffusion–recombination model is a key tool in understanding the photovoltaic operation of solar cells. Dye-sensitized solar cells, organic solar cells, and inorganic semiconductor solar cells are systems affected by ...

    • openAccess   From Flat to Nanostructured Photovoltaics: Balance between Thickness of the Absorber and Charge Screening in Sensitized Solar Cells 

      Fabregat-Santiago, Francisco; Bisquert, Juan; Mora-Sero, Ivan; Boix, Pablo P; Yong, Hui Lee; Sang, Hyuk Im; Sang, Il Seok American Chemical Society (2012-01)
      Nanoporous metal oxide electrodes provide a high internal area for dye anchoring in dye-sensitized solar cells, but the thickness required to extinguish the solar photons also enhances recombination at the TiO2/electrolyte ...

    • closedAccess   General Working Principles of CH3NH3PbX3 Perovskite Solar Cells 

      González Pedro, Victoria; Juarez-Perez, Emilio J.; Arsyad, Waode Sukmawati; Barea, Eva M; Fabregat-Santiago, Francisco; Mora-Sero, Ivan; Bisquert, Juan American Chemical Society (2014)
      Organometal halide perovskite-based solar cells have recently realized large conversion efficiency over 15% showing great promise for a new large scale cost-competitive photovoltaic technology. Using impedance spectroscopy ...

    • openAccess   Large grain size with reduced non-radiative recombination in potassium incorporated methylammonium-free perovskite solar cells 

      Anaya Gonzalez, Gabriela Stephania; Jeronimo-Rendon, Jose J.; WANG, QIONG; Li, Guixiang; Alvarez, Agustin; Fabregat-Santiago, Francisco; Köbler, Hans; alvarado, jose alberto; Juárez Santiesteban, Hector; Turren Cruz, Silver Hamill; Saliba, Michael; Abate, Antonio Elsevier (2022-12-31)
      Organic–inorganic hybrid halide perovskites are widely considered to be one the most promising material in photovoltaic technology, the use of this semiconductor as absorbent layer in solar cells has attracted considerable ...

    • openAccess   Light-Induced Space-Charge Accumulation Zone as Photovoltaic Mechanism in Perovskite Solar Cells 

      Zarazúa, Isaac; Bisquert, Juan; Garcia-Belmonte, Germà American Chemical Society (2016)
      We fabricated formamidinium lead iodide perovskite solar cell for analysis of the photovoltaic mechanism based on the interpretation of the capacitance variation under illumination. It was shown that the low-frequency ...

    • openAccess   Partial coverage methylammonium lead bromide films for solar cell application 

      Mhamdi, Asya; Vicente-Agut, Nuria; Bouazizi, Abdelaziz; Garcia-Belmonte, Germà Elsevier (2019-11-30)
      Hybrid perovskite compounds as methylammonium lead halides are currently been investigated for different optoelectronic applications. CH3NH3PbBr3 is a promising member because of its electronic structure and large bandgap ...

    • closedAccess   Role of the Selective Contacts in the Performance of Lead Halide Perovskite Solar Cells 

      Juarez-Perez, Emilio J.; Wuβler, Michael; Fabregat-Santiago, Francisco; Lakus Wollny, Kerstin; Mankel, Eric; Mayer, Thomas; Jaegermann, Wolfram; Mora-Sero, Ivan American Chemical Society (2014-01)
      The effect of electron- and hole-selective contacts in the final cell performance of hybrid lead halide perovskite, CH3NH3PbI3, solar cells has been systematically analyzed by impedance spectroscopy. Complete cells with ...

    • openAccess   State of the Art and Prospects for Halide Perovskite Nanocrystals 

      Dey, Amrita; Ye, Junzhi; De, Apurba; Mora-Sero, Ivan American Chemical Society (2021-06-17)
      Metal-halide perovskites have rapidly emerged as one of the most promising materials of the 21st century, with many exciting properties and great potential for a broad range of applications, from photovoltaics to optoelectronics ...