Refractive indices of layers and optical simulations of Cu(In,Ga)Se2 solar cells

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F18%3A00492880" target="_blank" >RIV/68378271:_____/18:00492880 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1080/14686996.2018.1458579" target="_blank" >http://dx.doi.org/10.1080/14686996.2018.1458579</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1080/14686996.2018.1458579" target="_blank" >10.1080/14686996.2018.1458579</a>

Result language
angličtina
Original language name
Refractive indices of layers and optical simulations of Cu(In,Ga)Se2 solar cells
Original language description
Cu(In,Ga)Se-2-based solar cells have reached efficiencies close to 23%. Further knowledge-driven improvements require accurate determination of the material properties. Here, we present refractive indices for all layers in Cu(In,Ga)Se-2 solar cells with high efficiency. The optical bandgap of Cu(In,Ga)Se-2 does not depend on the Cu content in the explored composition range, while the absorption coefficient value is primarily determined by the Cu content. An expression for the absorption spectrum is proposed, with Ga and Cu compositions as parameters. This set of parameters allows accurate device simulations to understand remaining absorption and carrier collection losses and develop strategies to improve performances.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10302 - Condensed matter physics (including formerly solid state physics, supercond.)

Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2018
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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