Nonradiative Recombination Dominates Voltage Losses in Cu(In,Ga)Se 2 Solar Cells Fabricated using Different Methods

Nonradiative Recombination Dominates Voltage Losses in Cu(In,Ga)Se 2 Solar Cells Fabricated using Different Methods

Voltage losses reduce the photovoltaic conversion efficiency of thin‐film solar cells and are a primary efficiency limitation in Cu(In,Ga)Se 2 . Herein, voltage loss analysis of Cu(In,Ga)Se 2 solar cells fabricated at three institutions with variation in process, bandgap, absorber structure, postdep...

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Veröffentlicht in:Solar RRL 2023-06, Vol.7 (11)
Hauptverfasser: Bothwell, Alexandra M., Wands, Jake, Miller, Michael F., Kanevce, Ana, Paetel, Stefan, Tsoulka, Polyxeni, Lepetit, Thomas, Barreau, Nicolas, Valdes, Nicholas, Shafarman, William, Rockett, Angus, Arehart, Aaron R., Kuciauskas, Darius
Format: Artikel
Sprache:eng
Schlagworte:
Chemical Sciences
CIGS
Material chemistry
non-radiative recombination
solar cells
SOLAR ENERGY
voltage losses
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Zusammenfassung:Voltage losses reduce the photovoltaic conversion efficiency of thin‐film solar cells and are a primary efficiency limitation in Cu(In,Ga)Se 2 . Herein, voltage loss analysis of Cu(In,Ga)Se 2 solar cells fabricated at three institutions with variation in process, bandgap, absorber structure, postdeposition treatment (PDT), and efficiency is presented. Nonradiative voltage losses due to Shockley–Read–Hall charge carrier recombination dominate and constitute >75% of the total compared to
ISSN:2367-198X
2367-198X
DOI:10.1002/solr.202300075