Boosting the fill factor and open-circuit voltage of carbon-based perovskite solar cells with a graphene co-doped P3HT/NiO_x hole-transporting bilayer

Abstract

Low-cost and stable carbon-based perovskite solar cells (C-PSCs) have been regarded as the most competitive device architecture for PSC commercialization. However, due to the large interfacial resistance and energy-level mismatch...

In Situ Electrochemical Cobalt Doping in Perovskite-Structured Lanthanum Nickelate Thin Film Toward Energy Conversion Enhancement of Polymer Solar Cells

“…Additionally, the optimized HTL improves charge carrier extraction and reduces recombination losses, contributing to the higher FF. The favorable energy level alignment of the LNC 0.10 O HTL with the active layer in the PSC-LNC 0.10 O further facilitates efficient charge separation and extraction, enhancing overall device performance . Moreover, compared to other HTLs used in this study, LNC 0.10 O offers superior surface quality, as previously demonstrated in AFM and SEM micrographs.…”

“…The favorable energy level alignment of the LNC 0.10 O HTL with the active layer in the PSC-LNC 0.10 O further facilitates efficient charge separation and extraction, enhancing overall device performance. 61 Moreover, compared to other HTLs used in this study, LNC 0.10 O offers superior surface quality, as previously demonstrated in AFM and SEM micrographs. This improved surface quality can provide higher carrier mobility, which significantly reduces series resistance and improves the FF.…”