Why are kesterite solar cells not 20% efficient?

Detailed Balance Limit of Efficiency of<i>p-n</i>Junction Solar Cells

W. Shockley, H. J. Queisser · Journal of Applied Physics · 1961 · 12.6K citations

Physical properties of ZnO:F obtained from a fresh and aged solution of zinc acetate and zinc acetylacetonate

A. Maldonado, S. Tirado-Guerra, M. Meléndez‐Lira et al. · Solar Energy Materials and Solar Cells · 2005 · 2.6K citations

Materials Science, Inorganic Chemistry, Engineering +5

New world record efficiency for Cu(In,Ga)Se₂ thin‐film solar cells beyond 20%

Philip Jackson, Dimitrios Hariskos, E. Lotter et al. · Progress in Photovoltaics Research and Applications · 2011 · 2K citations

Thin Film Physics, Engineering, Energy Efficiency +18

19·9%‐efficient ZnO/CdS/CuInGaSe² solar cell with 81·2% fill factor

Ingrid Repins, Miguel Á. Contreras, Brian Egaas et al. · Progress in Photovoltaics Research and Applications · 2008 · 2K citations · Full text

Thin Film Physics, Cuingase 2, Engineering +20

The path towards a high-performance solution-processed kesterite solar cell

David B. Mitzi, Oki Gunawan, Teodor K. Todorov et al. · Solar Energy Materials and Solar Cells · 2011 · 1.2K citations

Electrical Engineering, Engineering, Solar Power +8