Auflistung nach Schlagwort "PERC solar cells"

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  • Determination of the Contact Resistivity of Screen-printed Al Contacts Formed by Laser Contact Opening 
    Kranz, Christopher; Lim, Bianca; Baumann, Ulrike; Dullweber, Thorsten (London : Elsevier Ltd., 2015)
    Next-generation industrial PERC solar cells typically include local laser contact opening (LCO) of a dielectric passivation layer stack at the rear side and subsequent full-area aluminum screen printing and firing. In this ...
  • Impact of Ag Pads on the Series Resistance of PERC Solar Cells 
    Schulte-Huxel, Henning; Witteck, Robert; van Laak, Paula; Brendemühl, Till; Hinken, David; Bothe, Karsten; Brendel, Rolf (London : Elsevier Ltd., 2016)
    Screen-printed passivated emitter and rear cells (PERC) require Ag pads on the rear side to enable solderable connections for module integration. These Ag pads are separated from the silicon by a dielectric layer to avoid ...
  • Industrial cleaning sequences for Al2O3-passivated PERC solar cells 
    Kranz, Christopher; Wyczanowski, Sabrina; Baumann, Ulrike; Dorn, Silke; Queisser, Steffen; Schweckendiek, Jürgen; Pysch, Damian; Dullweber, Thorsten (London : Elsevier Ltd., 2014)
    In this paper, we investigate different industrial applicable cleaning sequences on test wafers and PERC solar cells in comparison to a laboratory type RCA clean. The cleaning sequences pSC1, HF/HCl, HF/O3 and HF/O3 show ...
  • Optimizing the Solar Cell Front Side Metallization and the Cell Interconnection for High Module Power Output 
    Witteck, Robert; Schulte-Huxel, Henning; Holst, Hendrik; Hinken, David; Vogt, Malte R.; Blankemeyer, Susanne; Köntges, Marc; Bothe, Karsten; Brendel, Rolf (London : Elsevier Ltd., 2016)
    Improving the light trapping in a module results in an increase in the generated current. Consequently, an optimization of the front grid metallization of the cell is required for the best trade-off between series resistance, ...
  • Simulation-based Efficiency Gain Analysis of 21.2%-efficient Screen-printed PERC Solar Cells 
    Kranz, Christopher; Petermann, Jan-Hendrik; Dullweber, Thorsten; Brendel, Rolf (London : Elsevier Ltd., 2016)
    Passivated Emitter and Rear Cells (PERC) with efficiencies well above 20% are likely to become the next mass production technology. A quantification of all power loss mechanisms of such industrial PERC cells is helpful in ...
  • Simultaneous Contacting and Interconnection of Passivated Emitter and Rear Solar Cells 
    Schulte-Huxel, Henning; Petermann, Jan-Hendrik; Blankemeyer, Susanne; Steckenreiter, Verena; Kajari-Schröder, Sarah; Brendel, Rolf (London : Elsevier Ltd., 2016)
    The back end process of passivated emitter and rear cells (PERC) consists of at least one laser process and three screen-printing steps followed by the stringing and tabbing of the cells. To reduce the number of steps we ...
  • Single Print Metal Stencils for High-efficiency PERC Solar Cells 
    Hannebauer, H.; Falcon, T.; Cunnusamy, J.; Dullweber, Thorsten (London : Elsevier Ltd., 2016)
    Industrial silicon solar cells like Passivated Emitter and Rear Cells (PERC) typically apply a screen-printed (Ag) front contact with a single print process using a mesh screen. It has been shown that using stencils instead ...
  • Two-stage permanent deactivation of the boron-oxygen-related recombination center in crystalline silicon 
    Steckenreiter, V.; Walter, D.C.; Schmidt, J. (London : Elsevier Ltd., 2017)
    We analyze the lifetime evolution during permanent deactivation of the boron-oxygen-related defect center (BO defect) in boron-doped, oxygen-rich Czochralski-grown silicon (Cz-Si). In particular, we examine the impact of ...
  • Wet chemical polishing for industrial type PERC solar cells 
    Kranz, Christopher; Wyczanowski, Sabrina; Baumann, Ulrike; Weise, Katrin; Klein, Cornelia; Delahaye, Franck; Dullweber, Thorsten; Brendel, Rolf (Amsterdam : Elsevier, 2013)
    Industrial PERC cell process flows typically apply the polishing of the rear side after texturing as well as the edge isolation after POCl3 diffusion. In this paper, we present a novel single step polishing process which ...