Exceptional Grain Growth in Formamidinium Lead Iodide Perovskite Thin Films Induced by the δ-to-α Phase Transformation AITranslate
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The annealing of fine-grained (∼0.175 μm) “yellow” δ-FAPbI3 nonperovskite thin films at 100 °C in dimethyl sulfoxide vapor for a few minutes results in exceptional grain growth (∼5 μm) induced by their transformation to the desirable “black” α-FAPbI3 perovskite phase. Mechanistic insights into this unprecedented phenomenon are provided.
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DOI：https://doi.org/10.1021/acsenergylett.7b01150
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The annealing of fine-grained (∼0.175 μm) “yellow” δ-FAPbI3 nonperovskite thin films at 100 °C in dimethyl sulfoxide vapor for a few minutes results in exceptional grain growth (∼5 μm) induced by their transformation to the desirable “black” α-FAPbI3 perovskite phase. Mechanistic insights into this unprecedented phenomenon are provided.
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| GB/T 7714-2015 | [1] Srinivas K. Yadavalli, Yuanyuan Zhou, Nitin P. Padture. ACS Energy Letters, 2018(3). DOI:10.1021/acsenergylett.7b01150. |
| MLA | [1] Srinivas K. Yadavalli, et al., ACS Energy Letters, no. 3, 2018, https://doi.org/10.1021/acsenergylett.7b01150. |
| APA | [1] Srinivas K. Yadavalli, Yuanyuan Zhou, & Nitin P. Padture. (2018). ACS Energy Letters(3). https://doi.org/10.1021/acsenergylett.7b01150 |
| IEEE | [1] Srinivas K. Yadavalli, Yuanyuan Zhou, and Nitin P. Padture, ACS Energy Letters, no. 3, 2018, doi: 10.1021/acsenergylett.7b01150. |