Listar por autoría "64968dda-0e25-45c5-b9c0-697049b27596"

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    • closedAccess   Changes from Bulk to Surface Recombination Mechanisms between Pristine and Cycled Perovskite Solar Cells 

      Correa-Baena, Juan-Pablo; Turren Cruz, Silver Hamill; Tress, Wolfgang; Hagfeldt, Anders; Aranda Alonso, Clara; Shooshtari, Leyla; Bisquert, Juan; Guerrero, Antonio American Chemical Society (2017)
      Several aspects on the photophysical characterization of lead halide hybrid organic–inorganic perovskite solar cells remain unsolved. It has been observed that ionic transport and polarization of the interfaces cause very ...

    • closedAccess   Degradation analysis of perovskite solar cells doped with MABr3 via electrochemical impedance 

      Valle-Pulido, Juan; Solis, Omar E.; Esparza, Diego; Rodríguez-Rojas, Rubén; Turren Cruz, Silver Hamill; Rivas Martínez, Jesús Manuel; Zarazúa Macías, Isaac Elsevier (2023)
      In this study, perovskite solar cells with a structure CsyFA1-xMAxCS0.05Pb(I1.05-xBrx)3, with X = 0 (no doping was added to the base structure CsFAPbI3) and X = 0.085 (CsFAPbI3 was doped with 8.5% MABr3) were prepared ...

    • openAccess   Degradation Analysis of Triple-Cation Perovskite Solar Cells by Electrochemical Impedance Spectroscopy 

      Torres, Jeevan; Zarazua, Isaac; Esparza, Diego; Rivas Martínez, Jesús Manuel; Saliba, Michael; Mora-Sero, Ivan; Turren Cruz, Silver Hamill; Abate, Antonio American Chemical Society (2022)
      In this work, the electrical properties of different triple-cation compositions with the formula Cs0.05FA1–XMAXPb(I1–XBrX)3 have been analyzed using electrochemical impedance spectroscopy. The perovskite solar cells were ...

    • openAccess   Fluoride Chemistry in Tin Halide Perovskites 

      Pascual, Jorge; Flatken, Marion Alwine; Felix, Roberto; Li, Guixiang; Turren Cruz, Silver Hamill; Aldamasy, Mamoud Hussein; Hartmann, Claudia; Li, Meng; Di Girolamo, Diego; Nasti, Giuseppe; Hüsam, Elif; Wilks, Regan; Dallmann, Andre; Bär, Marcus; Hoell, Armin; Abate, Antonio Wiley (2021-09-20)
      Tin is the frontrunner for substituting toxic lead in perovskite solar cells. However, tin suffers the detrimental oxidation of SnII to SnIV. Most of reported strategies employ SnF2 in the perovskite precursor solution to ...

    • openAccess   In Operando, Photovoltaic, and Microscopic Evaluation of Recombination Centers in Halide Perovskite-Based Solar Cells 

      Zohar, Arava; Kulbak, Michael; Turren Cruz, Silver Hamill; Nayak, Pabitra K.; Kama, Adi; Hagfeldt, Anders; Snaith, Henry J.; Hodes, Gary; Cahen, David American Chemical Society (2022-08-03)
      The origin of the low densities of electrically active defects in Pb halide perovskite (HaP), a crucial factor for their use in photovoltaics, light emission, and radiation detection, remains a matter of discussion, in ...

    • 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   Microwave-Mediated Synthesis of Lead-Free Cesium Titanium Bromide Double Perovskite: A Sustainable Approach 

      Reyes-Francis, Emmanuel; Echeverría-Arrondo, Carlos; Esparza, Diego; López-Luke, Tzarara; Soto-Montero, Tatiana; Morales-Masis, Monica; Turren Cruz, Silver Hamill; Mora-Sero, Ivan; Julian-Lopez, Beatriz American Chemical Society (2024-02-02)
      Theoretical studies have identified cesium titanium bromide (Cs2TiBr6), a vacancy-ordered double perovskite, as a promising lead-free and earth-abundant candidate to replace Pb-based perovskites in photovoltaics. Our ...

    • openAccess   Multicomponent Approach for Stable Methylammonium-Free Tin–Lead Perovskite Solar Cells 

      Turren Cruz, Silver Hamill; Pascual, Jorge; Hu, Shuaifeng; Sanchez-Diaz, Jesus; Galve Lahoz, Sergio; Liu, Wentao; Hempel, Wolfram; Chirvony, Vladimir; Martinez-Pastor, Juan P.; Boix, Pablo P; Wakamiya, Atsushi; Mora-Sero, Ivan American Chemical Society (2024-02-09)
      Mixed tin–lead perovskites suffer from several degradation pathways that hinder their effective implementation in tandem photovoltaic technologies. The main challenge involves removing the thermally unstable methylammonium ...

    • openAccess   α-FAPbI3 powder presynthesized by microwave irradiation for photovoltaic applications 

      Solis, Omar E.; Fernández-Saiz, Carolina; Rivas Martínez, Jesús Manuel; Esparza, Diego; Turren Cruz, Silver Hamill; Julian-Lopez, Beatriz; Boix, Pablo P; Mora-Sero, Ivan Elsevier (2022-12-10)
      The development of up-scalable and high-throughput methodologies to fabricate high-efficiency lead halide perovskite solar cells (PSCs) based on α-phase formamidinium lead iodide (FAPbI3) is one of the main challenges of ...