Driving factors for the peculiar bond length dependence and tetragonal distortion of (Ag,Cu)(In,Ga)Se2 and other chalcopyrites

Driving factors for the peculiar bond length dependence and tetragonal distortion of (Ag,Cu)(In,Ga)Se2 and other chalcopyrites

The chalcopyrite alloy (Ag,Cu)(In,Ga)Se _2 is a highly efficient thin film solar cell absorber, reaching record efficiencies above 23%. Recently, a peculiar behavior in the bond length dependence of (Ag,Cu)GaSe _2 was experimentally proven. The common cation bond length, namely Ga–Se, decreases with...

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Bibliographic Details
Main Authors: Hans H Falk, Stefanie Eckner, Konrad Ritter, Sergiu Levcenko, Timo Pfeiffelmann, Jes Larsen, William N Shafarman, Claudia S Schnohr
Format: Article
Language:English
Published: IOP Publishing 2024-01-01
Series:JPhys Energy
Subjects:
chalcopyrite
extended x-ray absorption fine structure
thin film solar cells
tetragonal distortion
Keating potential
bandgap bowing
Online Access:https://doi.org/10.1088/2515-7655/ad967f
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