ArticleAdvanced science (Weinheim, Baden-Wurttemberg, Germany)2022
Hybrid Cathode Interlayer Enables 17.4% Efficiency Binary Organic Solar Cells.
Article in Advanced science (Weinheim, Baden-Wurttemberg, Germany), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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7 citing papers in PubMed.
- Crystallinity-Engineered Schiff-Base Nickel Cathode Interlayers for Thermally Stable and High-Efficiency Organic Solar Cells.Small (Weinheim an der Bergstrasse, Germany) · 2026Article
- Electrostatic Potential Complementarity for Thickness-Tolerant Cathode Interlayers in High-Efficiency Organic and Tandem Solar Cells.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Solution-Processed Semiconductor Materials as Cathode Interlayers for Organic Solar Cells.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2023Review
- Double-Dipole Induced by Incorporating Nitrogen-Bromine Hybrid Cathode Interlayers Leads to Suppressed Current Leakage and Enhanced Charge Extraction in Non-Fullerene Organic Solar Cells.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2023Article
- Vertical Phase Regulation with 1,3,5-Tribromobenzene Leads to 18.5% Efficiency Binary Organic Solar Cells.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2023Article
- A series of perylene diimide cathode interlayer materials for green solvent processing in conventional organic photovoltaics.Beilstein journal of organic chemistry · 2023Article
- Hybrid Cathode Interlayer Enables 17.4% Efficiency Binary Organic Solar Cells.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2022Article
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6 authors.
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Abstract
With the emergence of fused ring electron acceptors, the power conversion efficiency of organic solar cells reached 19%. In comparison with the electron donor and acceptor materials progress, the development of cathode interlayers lags. As a result, charge extraction barriers, interfacial trap states, and significant transport resistance may be induced due to the unfavorable cathode interlayer, limiting the device performances. Herein, a hybrid cathode interlayer composed of PNDIT-F3N and PDIN is adopted to investigate the interaction between the photoexcited acceptor and cathode interlayer. The state of art acceptor Y6 is chosen and blended with PM6 as the active layer. The device with hybrid interlayer, PNDIT-F3N:PDIN (0.6:0.4, in wt%), attains a power conversion efficiency of 17.4%, outperforming devices with other cathode interlayer such as NDI-M, PDINO, and Phen-DPO. It is resulted from enhanced exciton dissociation, reduced trap-assisted recombination, and smaller transfer resistance. Therefore, the hybrid interlayer strategy is demonstrated as an efficient approach to improve device performance, shedding light on the selection and engineering of cathode interlayers for pairing the increasing number of fused ring electron acceptors.
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