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Comment on “Eppur si Muove: Proton Diffusion in Halide Perovskite Single Crystals”: Eppur Non si Muove: A Critical Evaluation of Proton Diffusion in Halide Perovskite Single Crystals
Advanced Materials ( IF 27.4 ) Pub Date : 2021-07-26 , DOI: 10.1002/adma.202007715 Thierry Buffeteau 1 , Lionel Hirsch 2 , Dario M Bassani 1
Advanced Materials ( IF 27.4 ) Pub Date : 2021-07-26 , DOI: 10.1002/adma.202007715 Thierry Buffeteau 1 , Lionel Hirsch 2 , Dario M Bassani 1
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A recent report by Cahen and co-workers is examined that finds the diffusion constant for proton migration in methylammonium lead triiodide single crystals to be 2 × 105-fold greater than that previously reported by Sadhu et al. By comparing the conversion of single crystals versus microcrystalline samples, it is concluded that proton diffusion in macroscopic single crystals is accelerated by the presence of defects acting as high-diffusivity paths.
中文翻译：
评论“Eppur si Muove: Proton Diffusion in Halide Perovskite Single Crystals”：Eppur Non si Muove: A Critical Evaluation of Proton Diffusion in Halide Perovskite Single Crystals
Cahen 及其同事最近的一份报告表明，甲基铵三碘化铅单晶中质子迁移的扩散常数是 Sadhu 等人先前报道的2 × 10 5倍。通过比较单晶与微晶样品的转化率，可以得出结论，宏观单晶中的质子扩散由于作为高扩散路径的缺陷的存在而加速。
更新日期：2021-09-02
中文翻译：
评论“Eppur si Muove: Proton Diffusion in Halide Perovskite Single Crystals”：Eppur Non si Muove: A Critical Evaluation of Proton Diffusion in Halide Perovskite Single Crystals
Cahen 及其同事最近的一份报告表明，甲基铵三碘化铅单晶中质子迁移的扩散常数是 Sadhu 等人先前报道的2 × 10 5倍。通过比较单晶与微晶样品的转化率，可以得出结论，宏观单晶中的质子扩散由于作为高扩散路径的缺陷的存在而加速。
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