Schulmeyer, T. ; Hunger, R. ; Klein, Andreas ; Jaegermann, Wolfram ; Niki, S. (2021)
Photoemission study and band alignment of the CuInSe₂(001)/CdS heterojunction.
In: Applied Physics Letters, 84 (16)
doi: 10.26083/tuprints-00019885
Article, Secondary publication, Publisher's Version
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| Item Type: | Article |
|---|---|
| Type of entry: | Secondary publication |
| Title: | Photoemission study and band alignment of the CuInSe₂(001)/CdS heterojunction |
| Language: | English |
| Date: | 2021 |
| Place of Publication: | Darmstadt |
| Publisher: | AIP Publishing |
| Journal or Publication Title: | Applied Physics Letters |
| Volume of the journal: | 84 |
| Issue Number: | 16 |
| DOI: | 10.26083/tuprints-00019885 |
| Corresponding Links: | |
| Origin: | Secondary publication service |
| Abstract: | The contact formation of thin-film epitaxial CuInSe₂(001) with a physical-vapor-deposited CdS layer is presented in this work. Synchrotron-excited photoelectron spectroscopy was used for this investigation. The epitaxial CuInSe₂ films contain a surface layer of reduced Cu stoichiometry similar to the ordered defect compound CuIn₃Se₅. A valence band offset of 0.79±0.15 eV has been determined for this heterojunction. The comparison to literature data indicates that neither surface orientation nor surface copper content have a major impact on the valence band offset of CuIn₃Se₅, respectively, CuInSe₂ with CdS. |
| Status: | Publisher's Version |
| URN: | urn:nbn:de:tuda-tuprints-198851 |
| Classification DDC: | 500 Science and mathematics > 530 Physics |
| Divisions: | 11 Department of Materials and Earth Sciences > Material Science > Surface Science |
| Date Deposited: | 12 Nov 2021 13:40 |
| Last Modified: | 20 Jan 2023 10:56 |
| URI: | https://tuprints.ulb.tu-darmstadt.de/id/eprint/19885 |
| PPN: | 50392136X |
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