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Optimization of the Selenization Temperature on the Mn-Substituted Cu2ZnSn(S,Se)4 Thin Films and Its Impact on the Performance of Solar Cells.
| Content Provider | Europe PMC |
|---|---|
| Author | Wang, Zhanwu Sui, Yingrui Ma, Meiling Wang, Tianyue |
| Editor | Frielinghaus, Henrich |
| Copyright Year | 2022 |
| Abstract | Cu2ZnSn(S,Se)4 (CZTSSe) films are considered to be promising materials in the advancement of thin-film solar cells. In such films, the amounts of S and Se control the bandgap. Therefore, it is crucial to control the concentration of S/Se to improve efficiency. In this study, Cu2MnxZn1−xSnS4 (CMZTS) films were fabricated using the sol-gel method and treated in a Se environment. The films were post-annealed in a Se atmosphere at various temperature ranges from 300 °C to 550 °C at intervals of 200 °C for 15 min to obtain Cu2MnxZn1−xSn(S,Se)4 (CMZTSSe). The elemental properties, surface morphology, and electro-optical properties of the CMZTSSe films were investigated in detail. The bandgap of the CMZTSSe films was adjustable in the scope of 1.11–1.22 eV. The structural propeties and phase purity of the CMZTSSe films were analyzed by X-ray diffraction and Raman analysis. High-quality CMZTSSe films with large grains could be acquired by suitably changing the selenization temperature. Under the optimized selenization conditions, the efficiency of the fabricated CMZTSSe device reached 3.08%. |
| Journal | Nanomaterials (Basel, Switzerland) |
| Volume Number | 12 |
| PubMed Central reference number | PMC9695221 |
| Issue Number | 22 |
| PubMed reference number | 36432280 |
| e-ISSN | 20794991 |
| DOI | 10.3390/nano12223994 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2022-11-12 |
| Access Restriction | Open |
| Rights License | Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). © 2022 by the authors. |
| Subject Keyword | Cu2ZnSn(S,Se)4 film Mn-doping solar cells properties selenization temperature |
| Content Type | Text |
| Resource Type | Article |
| Subject | Chemical Engineering Materials Science |
