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Träfflista för sökning "WFRF:(Vermang Bart) srt2:(2016)"

Sökning: WFRF:(Vermang Bart) > (2016)

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1.
  • Edoff, Marika, 1965-, et al. (författare)
  • Back Contact Passivation Effects in Bi-Facial Thin CIGS Solar Cells
  • 2016
  • Ingår i: 2016 IEEE 43rd Photovoltaic Specialists Conference (PVSC). - : IEEE. - 9781509027248 ; , s. 3527-3529
  • Konferensbidrag (refereegranskat)abstract
    • Bi-facial solar cells with ultrathin CIGS solar cells are fabricated to investigate the influence of back contact passivation. Solar cells with CIGS thicknesses of 300 and 500 nm and with an ultrathin transparent Mo layer are characterized using EQE measurements from both the front and the rear side as well as with I-V measurements. Back contact passivation consisting of Al2O3 deposited by atomic layer deposition and nano-sized point contact openings is used. The results are compared to cells with only the transparent Mo layer as back contact. We find a significant effect of the passivation manifested as an increase in the current density of the solar cells with the passivation.
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2.
  • Vermang, Bart, et al. (författare)
  • Rear Surface Optimization of CZTS Solar Cells by Use of a Passivation Layer With Nanosized Point Openings
  • 2016
  • Ingår i: IEEE Journal of Photovoltaics. - 2156-3381 .- 2156-3403. ; 6:1, s. 332-336
  • Tidskriftsartikel (refereegranskat)abstract
    • Previously, an innovative way to reduce rear interface recombination in Cu(In, Ga)(S, Se)(2) (CIGSSe) solar cells has been successfully developed. In this work, this concept is established in Cu-2(Zn, Sn)(S, Se)(4) (CZTSSe) cells to demonstrate its potential for other thin-film technologies. Therefore, ultrathin CZTS cells with an Al2O3 rear surface passivation layer having nanosized point openings are fabricated. The results indicate that introducing such a passivation layer can have a positive impact on open-circuit voltage (V-OC; +17% rel.), short-circuit current (J(SC); +5% rel.), and fill factor (FF; +9% rel.), compared with corresponding unpassivated cells. Hence, a promising efficiency improvement of 32% rel. is obtained for the rear passivated cells.
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