Sören Schäfer

Laser contact openings for local poly-Si-metal contacts enabling 26.1%-efficient POLO-IBC solar cells

Felix Haase, Christina Hollemann, Sören Schäfer et al. · Solar Energy Materials and Solar Cells · 2018 · 592 citations

Materials Science, Local Poly-si-metal Contacts, Electrical Engineering +11

(Ga, In)(N, As)-fine structure of the band gap due to nearest-neighbor configurations of the isovalent nitrogen

Peter J. Klar, H. Grüning, J. Koch et al. · Physical review. B, Condensed matter · 2001 · 247 citations

Crystal Structure, Engineering, Isovalent Nitrogen +19

2D/3D Heterostructure for Semitransparent Perovskite Solar Cells with Engineered Bandgap Enables Efficiencies Exceeding 25% in Four‐Terminal Tandems with Silicon and CIGS

Saba Gharibzadeh, Ihteaz M. Hossain, Bahram Abdollahi Nejand et al. · Advanced Functional Materials · 2020 · 161 citations · Full text

Materials Science, Electrical Engineering, Perovskite Bandgap +14

26.1%‐efficient POLO‐IBC cells: Quantification of electrical and optical loss mechanisms

Christina Hollemann, Felix Haase, Sören Schäfer et al. · Progress in Photovoltaics Research and Applications · 2019 · 113 citations

Engineering, Photovoltaic Devices, Integrated Circuits +20

Accurate Calculation of the Absorptance Enhances Efficiency Limit of Crystalline Silicon Solar Cells With Lambertian Light Trapping

Sören Schäfer, Rolf Brendel · IEEE Journal of Photovoltaics · 2018 · 98 citations

Short Wavelength Optic, Optical Materials, Engineering +22