Listar INAM_Articles por autoría "1fa9e016-a797-477a-bd0a-b50ec3bc5783"

Mostrando ítems 1-8 de 8

    • closedAccess   C60 Thin Films in Perovskite Solar Cells: Efficient or Limiting Charge Transport Layer? 

      Klipfel, Nadja; Alvarez, Agustin; Kanda, Hiroyuki; Sutanto, Albertus Adrian; Igci, Cansu; Roldán-Carmona, Cristina; Momblona, Cristina; Fabregat-Santiago, Francisco; Nazeeruddin, Mohammad Khaja American Chemical Society (2022-02-28)
      In this work, we identify the importance of C60 and compact-TiO2 (cTiO2) as electron transport layers on the device performance of coevaporated n–i–p perovskite solar cells. We found (1) a synergetic effect between both ...

    • openAccess   Combining Modulated Techniques for the Analysis of Photosensitive Devices 

      Alvarez, Agustin; Ravishankar, Sandheep; Fabregat-Santiago, Francisco Wiley-VCH GmbH (2021-09-03)
      Small-perturbation techniques such as impedance spectroscopy (IS), inten-sity-modulated photocurrent spectroscopy (IMPS), and intensity-modulated photovoltage spectroscopy (IMVS) are useful tools to characterize and model ...

    • openAccess   Correcting unintended changes in electroluminescence perturbation for reliable light intensity modulated spectroscopies 

      Alvarez, Agustin; Riquelme, Antonio; Fuentes Pineda, Rosinda; Mas, Elena; Marsal, Lluis F.; Almora Rodríguez, Osbel; Anta, Juan; Fabregat-Santiago, Francisco IOP Publishing (2023-07-21)
      Light intensity modulated photocurrent and photovoltage spectroscopies, IMPS and IMVS respectively, are characterization techniques for studying charge carrier transport and recombination properties of photosensitive samples ...

    • openAccess   Improved Stability of Inverted and Flexible Perovskite Solar Cells with Carbon Electrode 

      Babu, Vivek; Fuentes Pineda, Rosinda; Ahmad, Taimoor; Alvarez, Agustin; Castriotta, Luigi Angelo; Di Carlo, Aldo; Fabregat-Santiago, Francisco; Wojciechowski, Konrad American Chemical Society (2020-06-02)
      We demonstrate highly efficient, stable, and flexible perovskite solar cells of large areas, utilizing a carbon back-contact electrode in a p–i–n cell configuration. We enabled good electronic contact at the interface with ...

    • openAccess   Ionic Field Screening in MAPbBr3 Crystals Revealed from Remnant Sensitivity in X-ray Detection 

      Alvarez, Agustin; Lédée, Ferdinand; García-Batlle, Marisé; López Varo, Pilar; Gros-Daillon, Eric; Mayén Guillén, Javier; Verilhac, Jean-Marie; Lemercier, Thibault; Zaccaro, Julien; Marsal, Lluis F.; Garcia-Belmonte, Germà; Almora Rodríguez, Osbel American Chemical Society (2023-05-03)
      Research on metal halide perovskites as absorbers for X-ray detection is an attractive subject due to the optimal optoelectronic properties of these materials for high-sensitivity applications. However, the contact degradation ...

    • 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   Negative Capacitance and Inverted Hysteresis: Matching Features in Perovskite Solar Cells 

      Alvarez, Agustin; Arcas, Ramón; Aranda Alonso, Clara; Bethencourt, Loengrid; Mas, Elena; Saliba, Michael; Fabregat-Santiago, Francisco American Chemical Society (2020-10-01)
      Negative capacitance in the low-frequency domain and inverted hysteresis are familiar features in perovskite solar cells, which origin is still under discussion. Here we use impedance spectroscopy to analyze these responses ...

    • openAccess   New Views on Carrier Diffusion and Recombination by Combining Small Perturbation Techniques: Application to BiVO4 Photoelectrodes 

      Alvarez, Agustin; García-Tecedor, Miguel; Montañés, Laura; Mas, Elena; Gimenez, Sixto; Fabregat-Santiago, Francisco Wiley (2022)
      Impedance spectroscopy (IS), intensity-modulated photocurrent spectroscopy (IMPS), and intensity-modulated photovoltage spectroscopy (IMVS) are well-established powerful modulated techniques to characterize optoelectronic ...