Polycrystalline optoelectronic materials are widely used for photoelectric signal conversion
and energy harvesting and play an irreplaceable role in the semiconductor field. As an …

Solution-processed organic and inorganic semiconductors offer a promising path towards
low-cost mass production of solar cells. Among the various material systems, solution …

This first comprehensive description of the most important material properties and device
aspects closes the gap between general books on solar cells and journal articles on …

We summarize the progress made recently in understanding the electronic structure of
chalcopyrites. New insights into the dispersion of valence and conduction band allow …

Chalcopyrite solar cells achieve efficiencies above 23%. The latest improvements are due to
post‐deposition treatments (PDT) with heavy alkalis. This study provides a comprehensive …

The limiting factors on the efficiency of current record devices are discussed. Optical and
collection losses are found to have a minor influence. They reduce the short circuit current …

Thin-film solar cells based on polycrystalline absorbers have reached very high conversion
efficiencies of up to 23-25%. In order to elucidate the limiting factors that need to be …

Cu (InGa) Se2-based solar cells have often been touted as being among the most promising
of solar cell technologies for cost-effective power generation. In the past decade this has led …

The paper reviews the current status of the research on grain boundaries in polycrystalline
Cu (In, Ga)(S, Se) 2 alloys used as absorber materials for thin-film solar cells. We discuss …

Abstract Cu (In, Ga) Se2 thin‐film solar cells have attracted significant research interest in
recent decades due to their high efficiency in converting solar energy into electricity for …