{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Xia H"],"funding":["Research Grants Council of Hong Kong","RGC Senior Research Fellowship Scheme","Hong Kong Polytechnic University","Changzhou Social Development Project","National Natural Science Foundation of China","Seed Plan\" Project of China Petroleum and Chemical Corporation","Jiangsu Provincial Talents Project of High-Level Innovation and Entrepreneurship"],"pagination":["e2501428"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12447044"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["37(37)"],"pubmed_abstract":["In organic solar cells (OSCs), the ternary strategy is a mainstream approach to obtaining highly efficient OSCs. A deeper understanding of working mechanisms and the material selection criteria for boosting open-circuit voltage (V<sub>OC</sub>) is essential for further OSC breakthrough. Through a modular design principle, a series of oligomeric donors - 5BDD, 5BDD-F, 5BDT-F, and 5BDT-Cl - with similar molecular configurations but varying HOMO levels is systematically designed. These findings reveal that the HOMO levels of these oligomers have a negligible impact on the V<sub>OC</sub> of the ternary OSCs. Instead, their excellent compatibility with acceptors played a pivotal role in enhancing V<sub>OC</sub>. The oligomers effectively suppressed excessive acceptor aggregation and achieved Ag"],"journal":["Advanced materials (Deerfield Beach, Fla.)"],"pubmed_title":["Unveiling Energy Loss Mechanisms to Empower Ternary Organic Solar Cells with over 20% Efficiency: A Systematic Oligomeric Approach."],"pmcid":["PMC12447044"],"funding_grant_id":["C7018-20G","Q-CDBK","223298","22275024","C4005-22Y","8-8480","SRFS2223-5S01","Q-CD7X","51673031","CZ20220027"],"pubmed_authors":["Liu H","Li G","Xia H","Ma R","Lu X","You C","Fu J","Zhu W","Lang Y","Luo D"],"additional_accession":[]},"is_claimable":false,"name":"Unveiling Energy Loss Mechanisms to Empower Ternary Organic Solar Cells with over 20% Efficiency: A Systematic Oligomeric Approach.","description":"In organic solar cells (OSCs), the ternary strategy is a mainstream approach to obtaining highly efficient OSCs. A deeper understanding of working mechanisms and the material selection criteria for boosting open-circuit voltage (V<sub>OC</sub>) is essential for further OSC breakthrough. Through a modular design principle, a series of oligomeric donors - 5BDD, 5BDD-F, 5BDT-F, and 5BDT-Cl - with similar molecular configurations but varying HOMO levels is systematically designed. These findings reveal that the HOMO levels of these oligomers have a negligible impact on the V<sub>OC</sub> of the ternary OSCs. Instead, their excellent compatibility with acceptors played a pivotal role in enhancing V<sub>OC</sub>. The oligomers effectively suppressed excessive acceptor aggregation and achieved Ag","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Sep","modification":"2026-06-03T15:14:38.282Z","creation":"2026-04-29T03:08:59.438Z"},"accession":"S-EPMC12447044","cross_references":{"pubmed":["40574419"],"doi":["10.1002/adma.202501428"]}}