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Large-Scale Synthesis of Uniform PbI2(DMSO) Complex Powder by Solvent Extraction Method for Efficient Metal Halide Perovskite Solar Cells.
ACS Applied Materials & Interfaces ( IF 8.3 ) Pub Date : 2020-02-04 , DOI: 10.1021/acsami.9b20493
Sang Jin Lee 1 , Jin Hyuck Heo 1 , Sang Hyuk Im 1
Affiliation  

PbI2(DMSO) complex powder, which is essential to fabricate efficient metal halide perovskite solar cells (MHP SCs), was synthesized by liquid phase solvent extraction process irrespective of reaction volume scale. The isopropanol (IPA) solvent could selectively extract the DMSO from PbI2(DMSO)2 powder during extraction process so that compositionally uniform PbI2(DMSO) powder could be obtained in a large scale process, whereas the vacuum drying process could not produce uniform PbI2(DMSO) powder. Due to the compositional uniformity of PbI2(DMSO) powders prepared by solvent extraction process, the MHP SCs could be fabricated very reproducibly.

中文翻译:

溶剂萃取法大规模合成均匀的PbI2(DMSO)复合粉末,用于高效金属卤化物钙钛矿太阳能电池。

PbI2(DMSO)络合物粉末是制备高效金属卤化物钙钛矿太阳能电池(MHP SCs)必不可少的粉末,它是通过液相溶剂萃取工艺合成的,与反应体积无关。异丙醇(IPA)溶剂可以在提取过程中从PbI2(DMSO)2粉末中选择性地提取DMSO,从而可以在大规模过程中获得组成均匀的PbI2(DMSO)粉末,而真空干燥过程中则不能生成均匀的PbI2( DMSO)粉末。由于通过溶剂萃取工艺制备的PbI2(DMSO)粉末的组成均匀性,可以非常可重复地制造MHP SC。
更新日期:2020-02-06
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