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| Content Provider | Royal Society of Chemistry (RSC) |
|---|---|
| Author | Ding, Baofu Song, Qunliang Zhou, Dachen Wang, Gang Liu, Debei Xiang, Jin Alameh, Kamal |
| Copyright Year | 2016 |
| Abstract | One-step spin coating is a simple method which has been widely used in fabricating perovskite solar cells. However, this method was vastly demonstrated in glove box wherein the influence of moisture is negligible. Thus the use of one-step spin-coating in ambient air has not been comprehensively investigated. In this work, we employ one-step spin-coating method to coat perovskite films in ambient air (with humidity above 50%), and then the perovskite films are annealed in vacuum or air. Experimental results show that by using vacuum annealing, a power conversion efficiency of 12.98% is attained, and this is 45% higher than that attained by air annealing method. This improvement is mainly attributed to the fast solvent evaporation process in vacuum during annealing, which induces high supersaturation that leads to higher coverage of perovskite film. |
| Starting Page | 43299 |
| Ending Page | 43303 |
| Page Count | 5 |
| File Format | HTM / HTML PDF |
| ISSN | 20462069 |
| Volume Number | 6 |
| Issue Number | 49 |
| Journal | RSC Advances |
| DOI | 10.1039/c6ra05893k |
| Language | English |
| Publisher | Royal Society of Chemistry |
| Access Restriction | Open |
| Subject Keyword | Perovskite Spin coating Humidity Supersaturation Solvent Nucleic acid thermodynamics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Chemistry Chemical Engineering |
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