| Identification | Back Directory | [Name]
Poly[(9,9-dioctylfluorenyl-2,7-diyl)-co-(bithiophene)] | [CAS]
210347-56-1 | [Synonyms]
F8T2 99.9%
Poly[(9,9-dioctylfluorenyl-2,7-diyl)-co-(bithiophene)]
Poly[(9,9-dioctylfluorenyl-2,7-diyl)-co-bithiophene] 99.9%
Poly[[2,2'-bithiophene]-5,5'-diyl(9,9-dioctyl-9H-fluorene-2,7-diyl)]
Poly[(9,9-di-n-octylfluorenyl-2,7-diyl)-alt-2,2'-bithiophene-5,5'-diyl)]
F8BT Poly[[2,2′-bithiophene]-5,5′-diyl(9,9-dioctyl-9H-fluorene-2,7-diyl)]
F8T2, Poly(9,9-dioctylfluorene-alt-bithiophene), Poly[[2,2μ-bithiophene]-5,5μ-diyl(9,9-dioctyl-9H-fluorene-2,7-diyl)] | [Molecular Formula]
(C37H44S2)n |
| Questions And Answer | Back Directory | [Classification]
Polyfluorenes, Bithiophenes, Heterocyclic five-membered ring, Organic semiconducting materials, PLED green emitter materials, Organic Photovoltaics, Polymer Solar Cells, Light-emitting Diodes, OFET materials. | [Description]
Poly(9,9-dioctylfluorene-alt-bithiophene), also known as F8T2, is a semiconducting material that is widely used in organic electronics such as organic photovoltaics, polymer light-emitting diodes (PLED) and organic field-effect transistors (OFETs). Comparing with poly-3-hexylthiophene, F8T2 has even higher mobilities of 0.1 cm2/V · s and relatively higher stability against chemical doping by environmental oxygen or residual impurities such as mobile sulphonic acid in the PEDOT/PSS ink. This enables devices with higher on-off current ratios exceeding 105 and with better operating stability than printed poly-3-hexylthiophene devices[1].
The absorption in the blue region of F8T2 makes it an excellent donor polymer to blend with an acceptor having complementary spectrum or assemble a tandem cell with other low bandgap-conjugated polymers with absorption extended in the red region.
Device structure
ITO/PEDOT:PSS/TFB/F8T2/Ca [3]
Color
Green 
Max. Current Efficiency
3.68 cd/A
Max. Power Efficiency
2.9 lm W−1
| [Features]
F8T2 is now available featuring:
- High purity - higher purity means more precise emission and longer life-time for OLED devices - F8T2 is purified via Soxhlet extraction with methanol, hexane and chloroform under an argon atmosphere
- Good solubility in most of common solvents (toluene, chloroform and chlorobenzene)
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Sigma-Aldrich
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