Fig. 5: Effects of AAAH strategy on charge extraction and recombination of PQDSCs.

a SCLC curves of MeBz- and MeBz/KOH-based electron-only devices. Nyquist plots (b), energy level diagram of functional layers (c) of MeBz- and MeBz/KOH-based PQDSCs. d Schematic diagrams of charge carrier dynamics within PQDSCs fabricated with neat ester antisolvent interlayer rinsing (neat ester-based PQDSCs) and MeBz/KOH-based AAAH interlayer ligand exchange.