W. Stein

Module Integration for High Efficient Heterojunction Solar Cells

D. Bätzner, J. Ufheil, P. Papet, 2012 .

19% Efficiency Module Based on Roth&Rau Heterojunction Solar Cells and Day4™ Energy Module Concept

R. Efinger, D. Bätzner, P. Papet, 2011 .