20% Efficient passivated large-area metal wrap through solar cells on boron-doped Cz silicon

IEEE Electron Device Letters

Volumn 32, Issue 12, 2011, Pages 1719-1721

  Lohmuller, E ^a   Thaidigsmann, B ^a   Pospischil, M ^a   Jager, U ^a   MacK, S ^a   Specht, J ^a   Nekarda, J ^a   Retzlaff, M ^a   Krieg, A ^a   Clement, F ^a   Wolf, A ^a   Biro, D ^a   Preu, R ^a  

^a FRAUNHOFER INSTITUTE FOR SOLAR ENERGY SYSTEMS ISE   (Germany)

Author keywords

Metal wrap through (MWT); MWT passivated emitter and rear cell (PERC); Silicon solar cell; Surface passivation

Indexed keywords

ANALYTICAL MODELING; BORON-DOPED; CZ SILICON; LOSS MECHANISMS; MONOCRYSTALLINE; MWT-PASSIVATED EMITTER AND REAR CELL (PERC); P-TYPE SILICON; REAR SIDE; REAR SURFACES; SCREEN-PRINTED; SELECTIVE EMITTERS; SILICON OXIDE LAYERS; SURFACE PASSIVATION; WAFER SIZES; WRAP-THROUGH SOLAR CELLS;

BORON; CONVERSION EFFICIENCY; PASSIVATION; SILICON COMPOUNDS; SILICON OXIDES; SILICON SOLAR CELLS;

SILICON WAFERS;

EID: 81855217403     PISSN: 07413106     EISSN: None     Source Type: Journal    
DOI: 10.1109/LED.2011.2167709     Document Type: Article

References (20)

1. E. Van Kerschaver, R. Einhaus, J. Szlufcik, J. Nijs, and R. Mertens, "A novel silicon solar cell structure with both external polarity contacts on the back surface," in Proc. 2nd World Conf. Photovolt. Energy Convers., Vienna, Austria, 1998, pp. 1479-1482.
2. A. W. Blakers, A. Wang, A. M. Milne, J. Zhao, and M. A. Green, "22.8% efficient silicon solar cell," Appl. Phys. Lett., vol. 55, no. 13, pp. 1363-1365, Sep. 1989.
3. F. Dross, E. Van Kerschaver, C. Allebé, A. Van Der Heide, J. Szlufcik, G. Agostinelli, P. Choulat, H. F. W. Dekkers, and G. Beaucarne, "Impact of rear-surface passivation on MWT performances," in Proc. 4th World Conf. Photovolt. Energy Convers., Waikoloa, HI, 2006, pp. 1291-1294.
4. I. Romijn, M. Lamers, A. Stassen, A. Mewe, M. Koppes, E. Kossen, and A.Weeber, "Aspire: A new industrial MWT cell technology enabling high efficiencies on thin and large mc-Si wafers," in Proc. 22nd Eur. Photovolt. Solar Energy Conf., Milan, Italy, 2007, pp. 1043-1049.
5. E. Lohmüller, B. Thaidigsmann, J. Bartsch, C. Harmel, J. Specht, A.Wolf, F. Clement, M. Hörteis, and D. Biro, "Advanced metallization of rear surface passivated metal wrap through silicon solar cells," in Energy Procedia (Proc. 1st SiliconPV), Aug. 2011, vol. 8, pp. 546-551.
6. S. Mack, U. Jäger, G. Kästner, E. A. Wotke, U. Belledin, A. Wolf, R. Preu, and D. Biro, "Towards 19% efficient industrial PERC devices using simultaneous front emitter and rear surface passivation by thermal oxidation," in Proc. 35th IEEE Photovolt. Spec. Conf., Honolulu, HI, 2010, pp. 34-38.
7. B. Thaidigsmann, E. Lohmüller, U. Jäger, S. Mack, F. Lottspeich, A. Spribille, K. Birmann, D. Erath, A. Wolf, F. Clement, D. Biro, and R. Preu, "Large-area p-type HIP-MWT silicon solar cells with screen printed contacts exceeding 20% efficiency," Phys. Stat. Sol. RRL, vol. 5, no. 8, pp. 286-288, Aug. 2011.
8. M. Pospischil, K. Zengerle, J. Specht, G. Birkle, P. Koltay, R. Zengerle, A. Henning, M. Neidert, C. Mohr, F. Clement, and B. Biro, "Investigations of thick-film-paste rheology for dispensing applications," in Energy Procedia (Proc. 1st SiliconPV), Aug. 2011, vol. 8, pp. 449-454.
9. S. Mack, U. Jäger, A. Wolf, S. Nold, R. Preu, and D. Biro, "Simultaneous front emitter and rear surface passivation by thermal oxidation-An industrially feasible approach to a 19% efficient PERC device," in Proc. 25th Eur. Photovolt. Solar Energy Conf., Valencia, Spain, 2010, pp. 2218-2222.
10. U. Jäger, M. Okanovic, M. Hörteis, A. Grohe, and R. Preu, "Selective emitter by laser doping from phosphosilicate glass," in Proc. 24th Eur. Photovolt. Solar Energy Conf., Hamburg, Germany, 2009, pp. 1740-1743.
11. J. Nekarda, S. Stumpp, L. Gautero, M. Hörteis, A. Grohe, D. Biro, and R. Preu, "LFC on screen printed aluminium rear side metallization," in Proc. 24th Eur. Photovolt. Solar Energy Conf., Hamburg, Germany, 2009, pp. 1441-1445.
12. E. Schneiderlöchner, R. Preu, R. Lüdemann, S.W. Glunz, and G.Willeke, "Laser-fired contacts (LFC)," in Proc. 17th Eur. Photovolt. Solar Energy Conf., Munich, Germany, 2001, pp. 1303-1306.
13. S. Mack, D. Scheffler, E. A.Wotke, D. Reinwand, B. Bitnar, A.Wolf, and D. Biro, "High capacity inline annealing for high efficiency silicon solar cells," presented at the 26th Eur. Photovolt. Solar Energy Conf., Hamburg, Germany, 2011.
14. S. W. Glunz, S. Rein, J. Y. Lee, and W. Warta, "Minority carrier lifetime degradation in boron-doped Czochralski silicon," J. Appl. Phys., vol. 90, no. 5, pp. 2397-2404, Sep. 2001.
15. A. Wolf, D. Biro, J.-F. Nekarda, S. Stumpp, A. Kimmerle, S. Mack, and R. Preu, "Comprehensive analytical model for locally contacted rear surface passivated solar cells," J. Appl. Phys., vol. 108, no. 12, pp. 124 510-1-124 510-13, Dec. 2010.
16. K. Bothe, R. Sinton, and J. Schmidt, "Fundamental boron-oxygen-related carrier lifetime limit in mono-and multicrystalline silicon," Prog. Photovolt. Res. Appl., vol. 13, no. 4, pp. 287-296, Jun. 2005.
17. R. A. Sinton and A. Cuevas, "A quasi-steady-state open-circuit voltage method for solar cell characterization," in Proc. 16th Eur. Photovolt. Solar Energy Conf., Glasgow, Scotland, 2000, pp. 1152-1155.
18. T. Fellmeth, K. Meyer, J. Greulich, F. Clement, D. Biro, R. Preu, M. Menkoe, D. Lahmer, and H. J. Krokoszinski, "Development and modelling of crystalline silicon based metal wrap through (MWT) solar cells," in Proc. 25th Eur. Photovolt. Solar Energy Conf., Valencia, Spain, 2010, pp. 2201-2206.
19. J. Schmidt, A. Cuevas, S. Rein, and S. W. Glunz, "Fill factor limitations and non-ideal diode behaviour of Czochralski silicon solar cells due to light-induced recombination centres," in Proc. 17th Eur. Photovolt. Solar Energy Conf., Munich, Germany, 2001, pp. 1396-1399.
20. F. Clement, M. Menkoe, T. Kubera, C. Harmel, R. Hoenig, W. Wolke, H. Wirth, D. Biro, and R. Preu, "Industrially feasible multi-crystalline metal wrap through (MWT) silicon solar cells exceeding 16% efficiency," Solar Energy Mater. Solar Cells, vol. 93, no. 6/7, pp. 1051-1055, Jun. 2009.