Journal
JOURNAL OF MATERIALS SCIENCE
Volume 56, Issue 27, Pages 15205-15214Publisher
SPRINGER
DOI: 10.1007/s10853-021-06200-w
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The inclusion of green EA antisolvent treatment in the fabrication of PSCs has been shown to enhance optoelectronic properties, morphology, and charge transfer while suppressing interfacial recombination, resulting in a significant boost in power conversion efficiency.
In order to minimize the environmental pollution and realize large-scale production, green chemicals are very necessary. In this work, we report the impact of ethyl acetate (EA) antisolvent treatment on the performance of fully air-fabricated planar perovskite solar cells (PSCs). The proposed spin-coating approach with the antisolvent treatment was compared with the sequential spin-coating deposition process. Our findings demonstrated that the antisolvent treatment with green EA enhances the optoelectronic features and morphology of the fabricated methylammonium lead iodide (MAPbI(3)) film. Also, the charge transfer is enhanced, and hence, the interfacial recombination is significantly suppressed, resulting in boosted power conversion efficiency of 17.75% for the best PSC with enhanced thermal and ambient stability.
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