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Inorganic cesium lead halide CsPbX3 nanowires for long-term stable solar cells
| Content Provider | Paperity |
|---|---|
| Author | Li, Wen-guang Chen, Bai-xue Kuang, Dai-bin Liao, Jin-feng Rao, Hua-shang Chen, Hong-yan Wang, Xu-dong |
| Abstract | ABX3-type organic-inorganic hybrid halide perovskite materials have been recognized as promising candidates for optoelectronic applications. However, poor stability of organic-inorganic hybrid perovskite hinders their forward long-term utilization and hence an effective strategy is needed to replace the organic part with an inorganic cation. Herein, all inorganic CsPbI3 nanowires with a diameter of 50–100 nm are synthesized on fluorine-doped tin oxide glass via a simple solution-dipping process, which are further transformed into CsPbBr3 nanowires through a solution-phase halide exchange method. A phase change from non-perovskite to perovskite structure is observed during the ion substitution process of I− by Br−, which is elaborated by X-ray diffraction, absorption and photoluminescence spectra. We for the first time apply the as-formed CsPbI3 and CsPbBr3 nanowires into perovskite solar cells, yielding power conversion efficiency of 0.11% and 1.21%, respectively. The inorganic CsPbBr3 nanowire solar cell shows impressive stability which still remains 99% of the initial power conversion efficiency even after 5500 h aging. |
| Starting Page | 285 |
| Ending Page | 294 |
| File Format | HTM / HTML |
| ISSN | 20958226 |
| DOI | 10.1007/s40843-017-9014-9 |
| Issue Number | 4 |
| Journal | Science China Materials |
| Volume Number | 60 |
| e-ISSN | 21994501 |
| Language | English |
| Publisher | Science China Press |
| Publisher Date | 2017-04-01 |
| Access Restriction | Open |
| Subject Keyword | Solar cells Nanowires Ion exchange Inorganic perovskite Long-term stability |
| Content Type | Text |
| Resource Type | Article |
| Subject | Materials Science |
