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Though numerous methods have been proposed to fabricate high-efficient perovskite solar cells, each method seems to be lack of deserved attention on the relation of experimental details with the device performance. Herein, we focus on this issue by tuning the concentration of precursor solution for fabricating perovskite solar cells based on a simple structure, ITO/PEDOT:PSS/CH3NH3PbI3/PCBM/Ca/Al...
In this study, cotton fiber was pretreated in aqueous NaOH/urea solution instead of dissolution. According to the increasing severity degrees of pretreatment, three kinds of pretreated cotton fibers (S-PCF, M-PCF and H-PCF) were obtained for characterization and analysis. For comparison, pretreatment using a single NaOH solution without urea was also conducted under the same conditions to obtain other...
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