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Bothe, Karsten [Author]; Ramspeck, K. [Author]; Hinken, D. [Author]; Schinke, Carsten [Author]; Schmidt, J. [Author]; Herlufsen, S. [Author]; Brendel, Rolf [Author]; Bauer, J. [Author]; Wagner, J.-M. [Author]; Zakharov, N. [Author]; Breitenstein, O. [Author]

Luminescence emission from forward- and reverse-biased multicrystalline silicon solar cells - [published Version]

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  • Media type: Text; E-Article
  • Title: Luminescence emission from forward- and reverse-biased multicrystalline silicon solar cells
  • Contributor: Bothe, Karsten [Author]; Ramspeck, K. [Author]; Hinken, D. [Author]; Schinke, Carsten [Author]; Schmidt, J. [Author]; Herlufsen, S. [Author]; Brendel, Rolf [Author]; Bauer, J. [Author]; Wagner, J.-M. [Author]; Zakharov, N. [Author]; Breitenstein, O. [Author]
  • Published: College Park, MD : American Institute of Physics, 2009
  • Published in: Journal of Applied Physics 106 (2009), Nr. 10
  • Issue: published Version
  • Language: English
  • DOI: https://doi.org/10.15488/2545; https://doi.org/10.1063/1.3256199
  • Keywords: Interstitial oxygen concentration ; Leakage (fluid) ; Lockin thermography ; Remote sensing ; Forward bias ; Silicon solar cells ; Bioinformatics ; Light ; Luminescence imaging ; Microscopic analysis ; Oxygen ; Gain information ; Luminescence ; Specific sites ; Industrial emissions ; Visible light ; Polysilicon ; Luminescence emission ; Imaging techniques ; Subband-gap ; Energy dissipation ; Thermography (imaging) ; Spatial distribution ; Solar cells ; [...]
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  • Description: We study the emission of light from industrial multicrystalline silicon solar cells under forward and reverse biases. Camera-based luminescence imaging techniques and dark lock-in thermography are used to gain information about the spatial distribution and the energy dissipation at pre-breakdown sites frequently found in multicrystalline silicon solar cells. The pre-breakdown occurs at specific sites and is associated with an increase in temperature and the emission of visible light under reverse bias. Moreover, additional light emission is found in some regions in the subband-gap range between 1400 and 1700 nm under forward bias. Investigations of multicrystalline silicon solar cells with different interstitial oxygen concentrations and with an electron microscopic analysis suggest that the local light emission in these areas is directly related to clusters of oxygen. © 2009 American Institute of Physics.
  • Access State: Open Access