Utilizing a Fluorinated Derivative as a Dual-Function Modifier to Improve the Interface Engineering and Long-Term Stability of Inverted Perovskite Solar Cells
Yuanlin Yang,
Ying Li,
Yanqing Yao
et al.
Abstract:Poly(3,:poly(styrenesulfonate) (PEDOT:PSS) is a frequently used hole transport layer (HTL) that often constrains the stability and efficiency of inverted perovskite solar cells (PSCs) because of its hydrophilic properties. In the study, a hydrophobic fluorinated derivative (PM6) was employed as an interfacial modifier for the PEDOT:PSS layer. Modification with PM6 improved the hydrophobicity and work function (WF) of the PEDOT:PSS and mitigated the formation of charge recombination centers (Pb 0 ) on the perov… Show more
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