In this work,emerging perovskite-inspired Cu_(2)AgBiI_(6)(CABI)solar cells were successfully fabricated on flexible substrates,demonstrating that the transition from rigid to flexible materials does not compromise dev...In this work,emerging perovskite-inspired Cu_(2)AgBiI_(6)(CABI)solar cells were successfully fabricated on flexible substrates,demonstrating that the transition from rigid to flexible materials does not compromise device performance.This underscores the versatility of CABI on two different kinds of sub strates.Additionally,t o optimize charge extraction,we selected a polymeric hole-transport material(HTM),PPDT2FBT,whose energy levels align with CABI.The PPDT2FBT-based devices outperformed those using the well-known poly(3-hexylthiophene)(P3HT),le ading to power conversion efficiencies as high as approximately 0.8%.These results suggest that PPDT2FBT may hold promise as a HTM for use in low-toxicity,perovskite-inspired photovoltaic systems,such as those based on CABI.Furthermore,roll-to-roll p rocessing techniques,crucial for scalable production,were tested.However,controlling the morphology of the active layer remains a significant challenge.These findings represent critical steps toward the large-scale manufacturing and commercialization of flexible,PIM-based solar cells.展开更多
基金the Research Council of Finland Flagship Programme,Photonics Research and Innovation(PREIN),decision number 346545supported by the Research Council of Finland,Printed intelligence infrastructure funding,decision 358621+1 种基金support of Research Council of Finland,Decision No.347772.P.V.and G.K.G.acknowledge Jane and Aatos Erkko foundation(SOL-TECH project)for funding.P.V.and G.K.G.also thank the SPOT-IT project founded by the CETPartnership,the Clean and E nergy Transition Partnership under the 2022 CET Partnership joint call for research proposal,co-founded by the European Commission(GA 101069750)with the founding of the organizations detailed on https://cetpartnership.eu/funding-agencies-and-call-mo dules.
文摘In this work,emerging perovskite-inspired Cu_(2)AgBiI_(6)(CABI)solar cells were successfully fabricated on flexible substrates,demonstrating that the transition from rigid to flexible materials does not compromise device performance.This underscores the versatility of CABI on two different kinds of sub strates.Additionally,t o optimize charge extraction,we selected a polymeric hole-transport material(HTM),PPDT2FBT,whose energy levels align with CABI.The PPDT2FBT-based devices outperformed those using the well-known poly(3-hexylthiophene)(P3HT),le ading to power conversion efficiencies as high as approximately 0.8%.These results suggest that PPDT2FBT may hold promise as a HTM for use in low-toxicity,perovskite-inspired photovoltaic systems,such as those based on CABI.Furthermore,roll-to-roll p rocessing techniques,crucial for scalable production,were tested.However,controlling the morphology of the active layer remains a significant challenge.These findings represent critical steps toward the large-scale manufacturing and commercialization of flexible,PIM-based solar cells.