Skip to main content Accessibility help
×
Home

Electroluminescence imaging of Cu(In,Ga)Se2 thin film modules

  • Uwe Rau (a1), Thomas Kirchartz (a2), Anke Helbig (a3) and Bart Elger Pieters (a4)

Abstract

Electroluminescence images gained from Cu(In,Ga)Se2 mini-modules under different voltage bias conditions are investigated. The mini-modules of area 20 × 20 cm2 with 42 cells exhibit typically 10-20 localized shunts. The consequences of these shunts on the performance of the individual cells and of the entire module are analyzed quantitatively by evaluating the electroluminescence images. Our evaluation method uses the fact that the electroluminescence intensity at each position in each cell within the module depends on the actual voltage drop over the junction at this specific location. Thus, the analysis of the electroluminescence intensity allows us to reconstruct the current/voltage characteristics of all individual cells in the module. In addition, we provide first simulations using a distributed diode network model to quantitatively explain the experimental results.

Copyright

References

Hide All
1. Fuyuki, T. Kondo, H. Yamazaki, T. Takahashi, Y. and Uraoka, Y. Appl. Phys. Lett. 86, 262108(2005)
2. Ramspeck, K. Bothe, K. Hinken, D. Fischer, B. Schmidt, J. and Brendel, R. Appl. Phys. Lett. 90, 153502(2007)
3. Kasemann, M. Schubert, M. C. The, M. Köber, M., Hermle, M. and Warta, W. Appl. Phys. Lett. 89, 224102(2006)
4. Hinken, D. Ramspeck, K. Bothe, K. Fischer, B. and Brendel, R. Appl. Phys. Lett. 91, 182104(2007)
5. Kasemann, M. Grote, D. Walter, B. Kwapil, W. Trupke, T. Augarten, Y. Bardos, R.A. Pink, E. Abbott, M. D. and Warta, W. Prog. Photovolt: Res. Appl., 16, 297(2008)
6. Würfel, P., Trupke, T. Puzzer, T. Schäffer, E., Warta, W. Glunz, S. W. J. Appl. Phys. 101 123110 (2007)
7. Kirchartz, T. Rau, U. Kurth, M. Mattheis, J. and Werner, J. H. Thin Solid Films 515, 6238(2007)
8. Kirchartz, T. and Rau, U. J. Appl. Phys. 102, 104510(2007)
9. Dimmler, B. Powalla, M. and Schäffler, R., Proceedings of the 31st IEEE Photovoltaic Specialists Conference (IEEE, New York, 2005), p. 189
10. Kirchartz, T. Rau, U. Hermle, M. Bett, A. W. Helbig, A. and Werner, J. H. Appl. Phys. Lett. 92, 123502(2008)
11. Rau, U. Phys. Rev. B 76, 085303(2007).
12. Helbig, A. Kirchartz, T. and Rau, U. (unpublished).
13. Karpov, V. G. Compaan, A. D. and Shvydka, D. Appl. Phys. Lett. 80, 4256(2002)
14. Grabitz, P. O. Rau, U. and Werner, J. H. phys. stat. solid. (a) 202, 2920(2005)
15. Grote, D. Kasemann, M. Hermle, M. and Warta, W. Proc. 22nd Photovolt. Sol. Energy Conf. Milan (WIP Renewable Energies, Munich, 2007) p. 305
16. Rau, U. Grabitz, P. O. and Werner, J. H. Appl. Phys. Lett. 85, 6010(2004)

Keywords

Electroluminescence imaging of Cu(In,Ga)Se2 thin film modules

  • Uwe Rau (a1), Thomas Kirchartz (a2), Anke Helbig (a3) and Bart Elger Pieters (a4)

Metrics

Full text views

Total number of HTML views: 0
Total number of PDF views: 0 *
Loading metrics...

Abstract views

Total abstract views: 0 *
Loading metrics...

* Views captured on Cambridge Core between <date>. This data will be updated every 24 hours.

Usage data cannot currently be displayed