• Defect-impurity interactions in high performance multicrystalline silicon 

      Adamczyk, Krzysztof (Doctoral theses at NTNU;2018:339, Doctoral thesis, 2018)
      Defect-impurity interactions in high performance multicrystalline silicon The global average and combined land and ocean surface temperature is steadily rising for the last several decades. About 97% of climate scientists ...
    • Grain boundary effect on lifetime in high performance multicrystalline silicon during solar cell processing 

      Adamczyk, Krzysztof; Søndenå, Rune; M'hamdi, Mohammed; Autruffe, Antoine; Stokkan, Gaute; Di Sabatino, Marisa (Journal article; Peer reviewed, 2016)
      High performance multicrystalline silicon wafers used in solar cell processing have been investigated with focus on quantification of the grain boundary effect on lifetime. The lifetime of a set of 16 wafers from different ...
    • Impact of thermal history on defects formation in the last solid fraction of Cz silicon ingots 

      Lanterne, Adeline Anne; Gaspar, Guilherme Manuel Morais; Haave, Bjørn; Jomâa, Moez; Søndenå, Rune; Hupfer, Alexander; Hu, Yu; Sabatino, Marisa Di (Journal article; Peer reviewed, 2018)
      For the first time, the impact of the tail detachment on the quality of the last solid fraction of a Czochralski silicon ingot body is reported. Simulations of the thermal history were performed on CGSim software and showed ...
    • Impurity control in high performance multicrystalline silicon 

      Stokkan, Gaute; Di Sabatino Lundberg, Marisa; Søndenå, Rune; Juel, Mari; Autruffe, Antoine; Adamczyk, Krzysztof; Skarstad, Hanna Vaksvik; Ekstrøm, Kai Erik; Wiig, Marie Syre; You, Chang Chuan; Haug, Halvard; M'hamdi, Mohammed (Journal article; Peer reviewed, 2017)
      We report results from a national project about impurities in high performance multicrystalline silicon: Contamination sources, transport routes, interaction with crystal defects and impact on solar cell efficiency parameters. ...
    • Internal Gettering of Iron at Extended Defects 

      Knörlein, Michael; Autruffe, Antoine; Søndenå, Rune; Di Sabatino, Marisa (Journal article; Peer reviewed, 2014)
      The role of iron in crystalline silicon solar cells has been extensively investigated, yet the interaction mechanisms with structural defects have not been fully understood. In this work we have investigated a multicrystalline ...
    • Recombination activity of grain boundaries in high-performance multicrystalline Si during solar cell processing 

      Krzysztof, Adamczyk; Søndenå, Rune; Stokkan, Gaute; Looney, Erin; Jensen, Mallory; Lai, Barry; Rinio, Markus; Sabatino, Marisa Di (Journal article; Peer reviewed, 2018)
      In this work, we applied internal quantum efficiency mapping to study the recombination activity of grain boundaries in High Performance Multicrystalline Silicon under different processing conditions. Wafers were divided ...
    • Studying light-induced degradation by lifetime decay analysis: Excellent fit to solution of simple second-order rate equation 

      Nærland, Tine Uberg; Haug, Halvard; Angelskår, Hallvard; Søndenå, Rune; Marstein, Erik Stensrud; Arnberg, Lars (Journal article; Peer reviewed, 2013)
      Twenty different boron-doped Czochralski silicon materials have been analyzed for light-induced degradation. The carrier lifetime degradation was monitored by an automated quasi-steady-state photoconductance setup with an ...
    • The effect of phosphorus diffusion gettering on recombination at grain boundaries in HPMC-silicon wafers 

      Wiig, Marie Syre; Adamczyk, Krzysztof; Haug, Halvard; Ekstrøm, Kai Erik; Søndenå, Rune (Journal article; Peer reviewed, 2016)
      The influence of phosphorus diffusion gettering on recombination at grain boundaries has been studied in a commercially cast high performance multicrystalline silicon block. Wafers from four different heights have been ...