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Tuning PbI₂ layers by n-butanol additive for improving CH₃NH₃PbI₃ light harvesters of perovskite solar cells
- Wu, Wenyi, Li, Hongcui, Liu, Shuhan, Zheng, Bo, Xue, Yebin, Liu, Xizhe, Gao, Chunxiao
- RSC advances 2016 v.6 no.92 pp. 89609-89613
- butanol, coatings, crystallization, porous media, solar cells
- PbI₂ layers with a mesoporous structure are facilely prepared by spin coating of PbI₂ in DMF solution with n-butanol additive, which can improve crystallization and modify the orientation of the MAPbI₃ layers produced by an interface reaction. The recombination and charge transfer process are improved in the perovskite solar cells with these harvester layers.