Grain boundaries are not the source of Urbach tails in Cu(In,Ga)Se2 absorbers

The presence of Urbach tails in Cu(In,Ga)Se _2 (CIGSe) absorbers has been identified as a limiting factor for the performance of the CIGSe solar cells. The tail states contribute to both radiative and non-radiative recombination processes, ultimately leading to a reduction in the open-circuit voltag...

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Hlavní autoři:	Sevan Gharabeiki, Muhammad Uzair Farooq, Taowen Wang, Mohit Sood, Michele Melchiorre, Christian A Kaufmann, Alex Redinger, Susanne Siebentritt
Médium:	Artigo
Jazyk:	Inglês
Vydáno:	IOP Publishing 2024-01-01
Edice:	JPhys Energy
Témata:	CIGSe Urbach tails grain boundaries photoluminescence Kelvin probe force microscopy alkali post deposition treatment
On-line přístup:	https://doi.org/10.1088/2515-7655/ad6104
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