The Role of Material Quality in Ewt and Standard Solar Cells on Multicrystalline Standard and UMG Silicon Material

inproceedings
2010
authors
Schubert, M. C. and Rüdiger, M. and Michl, B. and Schindler, F. and Kwapil, W. and Giesecke, J. and Hermle, M. and Warta, W. and Ferr\é, R. and Wade, R. and Petter, K.