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Now showing items 1-4 of 4

    • 2-step process for 5.4% CuGaSe2 solar cell using fluorine doped tin oxide transparent back contacts 

      Thomere, Angélica; Placidi, Marcel Jose; Guc, Maxim; Tiwari, Kunal Jogendra; Fonoll Rubio, Robert; Izquierdo Roca, Víctor; Perez Rodriguez, Alejandro; Jehl Li-Kao, Zacharie (2023)
      Article
      Open Access
      As single-junction solar cells are approaching theoretical limits, multijunction solar cells are becoming increasingly relevant, and low-cost wider bandgap light harvesters in tandem with silicon are the next frontier in ...
    • Characterization of the stability of indium tin oxide and functional layers for semitransparent back-contact applications on Cu(in,Ga)Se2 solar cells 

      Fonoll Rubio, Robert; Placidi, Marcel Jose; Hoelscher, Torsten; Thomere, Angélica; Jehl Li-Kao, Zacharie; Guc, Maxim; Izquierdo Roca, Víctor; Scheer, Roland; Perez Rodriguez, Alejandro (Wiley, 2022-07-08)
      Article
      Open Access
      Herein, a detailed study of the stability of different ITO-based back-contact configurations (including bare ITO contacts and contacts functionalized with nanometric Mo, MoSe2, and MoS2 layers) under the coevaporation ...
    • Controlling the anionic ratio and gradient in kesterite technology 

      Andrade Arvizu, Jacob; Fonoll Rubio, Robert; Izquierdo Roca, Víctor; Becerril Romero, Ignacio; Sylla, Dioulde Huguette; Vidal Fuentes, Pedro; Jehl Li-Kao, Zacharie; Thomere, Angélica; Giraldo, Sergio; Tiwari, Kunal Jogendra; Resalati, Shahaboddin; Guc, Maxim; Placidi, Marcel Jose (2022-01-03)
      Article
      Open Access
      Accurate anionic control during the formation of chalcogenide solid solutions is fundamental for tuning the physicochemical properties of this class of materials. Compositional grading is the key aspect of band gap engineering ...
    • Effects of ITO based back contacts on Cu(In,Ga)Se2 thin films, solar cells, and mini-modules relevant for semi-transparent building integrated photovoltaics 

      Hölscher, Torsten; Placidi, Marcel Jose; Becerril Romero, Ignacio; Fonoll Rubio, Robert; Izquierdo Roca, Víctor; Thomere, Angélica; Bailo Bobi, Eduard; Schneider, Thomas; Kempa, Heiko; Scheer, Roland; Perez Rodriguez, Alejandro (2023-03-01)
      Article
      Open Access
      This study presents the results of the development of semi-transparent Cu(In,Ga)Se2 (CIGSe) mini-modules for the application in building integrated photovoltaics (BIPV). Applying in-situ X-ray diffraction in real-time ...