{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Wu Y"],"funding":["United States Department of Defense | United States Navy | Office of Naval Research","DOE | Office of Science (SC)","Deutsche Forschungsgemeinschaft","Deutsche Forschungsgemeinschaft (German Research Foundation)","United States Department of Defense | United States Navy | Office of Naval Research (ONR)","National Science Foundation (NSF)","DOE | Office of Science","National Science Foundation"],"pagination":["2170"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC10924936"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["15(1)"],"pubmed_abstract":["All-polymer solar cells (all-PSCs) offer improved morphological and mechanical stability compared with those containing small-molecule-acceptors (SMAs). They can be processed with a broader range of conditions, making them desirable for printing techniques. In this study, we report a high-performance polymer acceptor design based on bithiazole linker (PY-BTz) that are on par with SMAs. We demonstrate that bithiazole induces a more coplanar and ordered conformation compared to bithiophene due to the synergistic effect of non-covalent backbone planarization and reduced steric encumbrances. As a result, PY-BTz shows a significantly higher efficiency of 16.4% in comparison to the polymer acceptors based on commonly used thiophene-based linkers (i.e., PY-2T, 9.8%). Detailed analyses reveal that this improvement is associated with enhanced conjugation along the backbone and closer interchain π-stacking, resulting in higher charge mobilities, suppressed charge recombination, and reduced energetic disorder. Remarkably, an efficiency of 14.7% is realized for all-PSCs that are solution-sheared in ambient conditions, which is among the highest for devices prepared under conditions relevant to scalable printing techniques. This work uncovers a strategy for promoting backbone conjugation and planarization in emerging polymer acceptors that can lead to superior all-PSCs."],"journal":["Nature communications"],"pubmed_title":["Tuning polymer-backbone coplanarity and conformational order to achieve high-performance printed all-polymer solar cells."],"pmcid":["PMC10924936"],"funding_grant_id":["ECCS-2026822","N00014-19-1-2453","DFG 456522816","DE-AC02-76SF00515"],"pubmed_authors":["Cheng C","Toney MF","Asbury JB","Bao Z","LeCroy G","Gomez ED","Zhang S","Michalek L","Salleo A","Galli G","Sorbelli D","Cheng HW","Milner ST","Wu Y","Yuan Y","Jindal V"],"additional_accession":[]},"is_claimable":false,"name":"Tuning polymer-backbone coplanarity and conformational order to achieve high-performance printed all-polymer solar cells.","description":"All-polymer solar cells (all-PSCs) offer improved morphological and mechanical stability compared with those containing small-molecule-acceptors (SMAs). They can be processed with a broader range of conditions, making them desirable for printing techniques. In this study, we report a high-performance polymer acceptor design based on bithiazole linker (PY-BTz) that are on par with SMAs. We demonstrate that bithiazole induces a more coplanar and ordered conformation compared to bithiophene due to the synergistic effect of non-covalent backbone planarization and reduced steric encumbrances. As a result, PY-BTz shows a significantly higher efficiency of 16.4% in comparison to the polymer acceptors based on commonly used thiophene-based linkers (i.e., PY-2T, 9.8%). Detailed analyses reveal that this improvement is associated with enhanced conjugation along the backbone and closer interchain π-stacking, resulting in higher charge mobilities, suppressed charge recombination, and reduced energetic disorder. Remarkably, an efficiency of 14.7% is realized for all-PSCs that are solution-sheared in ambient conditions, which is among the highest for devices prepared under conditions relevant to scalable printing techniques. This work uncovers a strategy for promoting backbone conjugation and planarization in emerging polymer acceptors that can lead to superior all-PSCs.","dates":{"release":"2024-01-01T00:00:00Z","publication":"2024 Mar","modification":"2026-06-28T03:08:58.014Z","creation":"2025-04-04T12:58:42.272Z"},"accession":"S-EPMC10924936","cross_references":{"pubmed":["38461153"],"doi":["10.1038/s41467-024-46493-4"]}}