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Alkali Postdeposition Treatment-Induced Changes of the Chemical and Electronic Structure of Cu(In,Ga)Se₂ Thin-Film Solar Cell Absorbers: A First-Principle Perspective.

ABSTRACT: The effects of alkali postdeposition treatment (PDT) on the valence band structure of Cu(In,Ga)Se₂ (CIGSe) thin-film solar cell absorbers are addressed from a first-principles perspective. In detail, experimentally derived hard X-ray photoelectron spectroscopy (HAXPES) data [ Handick , E. ; ACS Appl. Mater. Interfaces 2015 , 7 , 27414 - 27420 ] of the valence band structure of alkali-free and NaF/KF-PDT CIGSe are directly compared and fit by calculated density of states (DOS) of CuInSe₂, its Cu-deficient counterpart CuIn₅Se₈, and different potentially formed secondary phases, such as KInSe₂, InSe, and In₂Se₃. The DOSs are based on first-principles electronic structure calculations and weighted according to element

SUBMITTER: Malitckaya M

PROVIDER: S-EPMC6727185 | biostudies-literature | 2019 Jan

REPOSITORIES: biostudies-literature

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Alkali Postdeposition Treatment-Induced Changes of the Chemical and Electronic Structure of Cu(In,Ga)Se₂ Thin-Film Solar Cell Absorbers: A First-Principle Perspective.

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Alkali Postdeposition Treatment-Induced Changes of the Chemical and Electronic Structure of Cu(In,Ga)Se2 Thin-Film Solar Cell Absorbers: A First-Principle Perspective.

OmicsDI is part of the ELIXIR infrastructure

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Alkali Postdeposition Treatment-Induced Changes of the Chemical and Electronic Structure of Cu(In,Ga)Se₂ Thin-Film Solar Cell Absorbers: A First-Principle Perspective.