Auflistung nach Schlagwort "Oxides"

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  • Advances in the surface passivation of silicon solar cells 
    Schmidt, Jan; Werner, Florian; Veith, Boris; Zielke, Dimitri; Steingrube, S.; Altermatt, Pietro P.; Gatz, Sebastian; Dullweber, Thorsten; Brendel, Rolf (Amsterdam : Elsevier BV, 2012)
    The surface passivation properties of aluminium oxide (Al 2O 3) on crystalline Si are compared with the traditional passivation system of silicon nitride (SiN x). It is shown that Al 2O 3 has fundamental advantages over ...
  • Comparison of the thermal stability of single Al2O3 layers and Al2O3/SiNx stacks for the surface passiviation of silicon 
    Veith, Boris; Werner, Florian; Zielke, Dimitri; Brendel, Rolf; Schmidt, Jan (Amsterdam : Elsevier BV, 2011)
    We measure surface recombination velocities (SRVs) below 10 cm/s on low-resistivity (1.4 Ωcm) p-type crystalline silicon wafers passivated with plasma-assisted and thermal atomic layer deposited (ALD) aluminium oxide (Al2O3) ...
  • High-rate atomic layer deposition of Al2O3 for the surface passivation of Si solar cells 
    Werner, Florian; Stals, Walter; Görtzen, Roger; Veith, Boris; Brendel, Rolf; Schmidt, Jan (Amsterdam : Elsevier BV, 2011)
    High-rate spatial atomic layer deposition (ALD) enables an industrially relevant deposition of high-quality aluminum oxide (Al2O3) films for the surface passivation of silicon solar cells. We demonstrate a homogeneous ...
  • Material Removal Mechanisms in Grinding of Mixed Oxide Ceramics 
    Denkena, Berend; Busemann, Sarah; Gottwik, Lukas; Grove, Thilo; Wippermann, Andi (Amsterdam : Elsevier BV, 2017)
    The technological basis for a cost-effective and reliable grinding process of mixed oxide ceramics requires a fundamental understanding of the prevailing grinding mechanisms to maintain surface quality and strength ...
  • Physico-Chemical development of oxide-based ceramics for thermoelectric energy harvesting 
    Hinterding, Richard (Hannover : Institutionelles Repositorium der Leibniz Universität Hannover, 2021)
    The thermoelectric effect describes the conversion of heat into electrical energy and it is the pivotal element for the utilization of waste heat via Energy Harvesting. Especially high-temperature applications in industrially ...
  • Reduced wear and adhesion forces by laser dispersing of ceramics 
    Nölke, C.; Claußen, S.; Dudziak, S.; Haferkamp, H.; Barcikowski, S. (Amsterdam : Elsevier B.V., 2010)
    Laser dispersing offers a great potential to fabricate layers or tracks with tailored properties threat duce abrasive or adhesive wear at the surface of highly stressed components. Different ceramic powder materials like ...