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This manuscript demonstrates improved efficiency in perovskite solar cells using hematite as an electron transport layer, suggesting a viable manufacturing strategy.
The high absorption coefficients and economical manufacturing techniques of perovskite solar cells (PVSCs) have attracted a lot of interest. Although, using an inorganic electron transport layer (IETL) will open a great potential for the photovoltaic industry with believing in long term stability, commercial Fe 2 O 3 still face numerous encounters. In this manuscript, we fabricated a device with FTO/Fe 2 O 3 /CH 3 NH 3 PbI 3 /Spiro‐OMeTAD/Pt (n‐i‐p) structure configurations. With Fe 2 O 3 , IETL in PVSCs demonstrated energy conversion efficiency (ECE) ‐ 14.78 %, J SC ‐ 18.92 mA/cm 2 , Voc – 0.97 V, and FF ‐ 69.15 %. Improved smooth surface morphology, electron transmission efficacy, and minimized interfacial recombination collectively contributed to the large photovoltaic performance with the Fe 2 O 3 as IETL based PVSCs. This paper consider the IETL for the new generation PVSCs of offering promising paths for the assembly of efficient and photostable PVSCs.
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Kumar et al. (2026) studied this question.
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