DTY6 is another highly efficient non-fullerene acceptor from Y6 family with a highly conjugated and flat [1,2,5]thiadiazolo[3,4-e]thieno[2",3’':4’,5']thieno[2',3':4,5]pyrrolo[3,2-g]thieno[2',3':4,5]thieno[3,2-b]indole core centre.
Bearing two large decylteradecyl alky side chains, DTY6 is developed for large-area organic solar cells. Working together with polymers PBDB-TF-T1 (T1), PTO2, PClTO2, non-fullerene acceptors DTY6, BTP-2F-12, TPT10-C8C12 and BTP-eC9 are considered to be green energy materials since they can be processed in green solvents, i.e. o-xylene or THF.
Polymer organic solar cells based on PM6:DTY6 processed in non-halogenated solvent o-xylene achieved power conversion efficiency of 16.1% with the following simple structure.
Device structure: indium tin oxide (ITO)/PEDOT:PSS/PM6:DTY6 (1:1.2, w/w, polymer weight concentration of 8 mg/mL)/PFNBr/Ag. 
|Thickness (nm)||VOC (V)||JSC (mA cm-2)||FF (%)||PCEmax (%)|
|110 ± 20 nm||0.848||25.3||75.1||16.1|
|Purity||>99% (1H NMR)|
|Molecular weight||1900.83 g/mol|
|HOMO / LUMO||HOMO = -5.67 eV, LUMO = -4.04 eV |
|Absorption||λmax 716 nm (in o-xylene), 836 nm (in o-xylene processed film)|
|Classification / Family||NFAs, n-type non-fullerene electron acceptors, Organic semiconducting materials, Low band-gap small molecule, Small molecular acceptor, Organic photovoltaics, Polymer solar cells, NF-PSCs.|
MSDS DocumentationDTY6 MSDS Sheet
Literature and Reviews
- Single-Component Non-halogen Solvent-Processed High-Performance Organic Solar Cell Module with Efficiency over 14%, S. Dong et al., Joule 4 (9), 2004-2016 (2020); DOI: 10.1016/j.joule.2020.07.028.
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