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- Zhao, HanyueKTH,Materialvetenskap (author)
Density functional theory study of ordered defect Cu-(In,Ga)-Se compounds
- Article/chapterEnglish2012
Publisher, publication year, extent ...
- 2012-05-14
- Wiley,2012
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:kth-100797
- https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-100797URI
- https://doi.org/10.1002/pssc.201100671DOI
Supplementary language notes
- Language:English
- Summary in:English
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- SwePubSwePub
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Notes
- QC 20120817
- CuIn1-xGaxSe2 is used as absorber material in thin-film photovoltaics. Presence of defect arrays of 2V(Cu)(-) + X-Cu(2+) complexes (X = In or Ga) in the material results in the formation of ordered defect phases, like for instance Cu(In1-xGax)(3)Se-5 and Cu(In1-xGax)(5)Se-8. An understanding of these defects phases is of considerably importance since they can strongly affect the performance of the solar cell. Density functional theory calculation with a hybrid functional is carried out to study the electronic structures and optical properties of these ordered defect phases. Fundamental properties, such as the band bowing, the band alignment and the absorption coefficients, are presented, and their dependence on material composition is discussed.
Subject headings and genre
- TEKNIK OCH TEKNOLOGIER Materialteknik hsv//swe
- ENGINEERING AND TECHNOLOGY Materials Engineering hsv//eng
- ordered defect compounds
- CuIn1-xGaxSe2
- density functional theory
- optical properties
Added entries (persons, corporate bodies, meetings, titles ...)
- Kumar, MukeshKTH,Materialvetenskap(Swepub:kth)u1gcrp94 (author)
- Persson, ClasKTH,Tillämpad materialfysik(Swepub:kth)u16hf74r (author)
- KTHMaterialvetenskap (creator_code:org_t)
Related titles
- In:Physica Status Solidi. C, Current topics in solid state physics: Wiley9:7, s. 1600-16031610-16341610-1642
- In:physica status solidi c: Wiley9:7, s. 1600-16031862-6351
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