N. Senoussaoui

Optical Properties of Microcrystalline Thin Film Solar Cells

Helmut Stiebig, T. Brammer, H. Wagner, 2000 .

The application of grating couplers in thin-film silicon solar cells

Helmut Stiebig, T. Brammer, J. Müller, 2006 .

Silicon thin‐film solar cells with rectangular‐shaped grating couplers

Helmut Stiebig, C. Zahren, J. Müller, 2006 .