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Thickness-Dependent NiOx Interface Engineering for Enhanced Wide-Bandgap Perovskite Solar Cells
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DOI：10.1016/j.orgel.2026.107446.png)
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Abstract
En 中文
• NiOx thickness is precisely tuned via precursor concentration to regulate interfacial properties. • Optimal NiOx thickness simultaneously improves work function, wettability, and perovskite crystallization. • Enhanced interfacial contact promotes more efficient charge extraction and reduced recombination. • Wide-bandgap (Eg≈1.69 eV) perovskite solar cells achieve a maximum PCE of 19.41%. • This work provides a simple and scalable strategy for NiOx interface engineering in perovskite devices.
Keywords:
NiOx thickness
interface engineering
perovskite solar cells
wide-bandgap
charge extraction
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2.6
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