Poly[[2,2'-bithiophene]-5,5'-diyl(9,9-dioctyl-9H-fluorene-2,7-diyl)]

Product Details

CAS No:210347-56-1

MF:(C37H44S2)n

Appearance:light-yellw or yellow-green solid powder

Specification:98.5%

UN number:-

Package:1/5/10/25kgs/drum

Supply Capacity:KGS

Synonyms:Poly[(9,9-dioctylfluorenyl-2,7-diyl)-co-(bithiophene)];F8T2, Poly(9,9-dioctylfluorene-alt-bithiophene), Poly[[2,2μ-bithiophene]-5,5μ-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)];Poly[[2,2'-bithiophene]-5,5'-diyl(9,9-dioctyl-9H-fluorene-2,7-diyl)];F8BT Poly[[2,2′-bithiophene]-5,5′-diyl(9,9-dioctyl-9H-fluorene-2,7-diyl)];Poly[(9,9-dioctylfluorenyl-2,7-diyl)-co-bithiophene] 99.9%;F8T2 99.9%;Poly(9,9-dioctylfluorene-alt-bithiophene); 210347-56-1; Poly[(9,9-dioctylfluorenyl-2,7-diyl)-co-(bithiophene); 2-(9,9-dioctylfluoren-2-yl)-5-thiophen-2-ylthiophene; F8T2; SCHEMBL16019313; NYSNJWIFZVRDRX-UHFFFAOYSA-N; H55474

Product application:Poly[(9,9-dioctylfluorenyl-2,7-diyl)-co-(bithiophene)],210347-56-1,F8T2,PFT2,Poly(9,9-dioctylfluorene-co-bithiophene),Fluorene-bithiophene copolymer,Organic semiconductor polymer,p-type organic semiconductor,Organic thin-film transistor material,OTFT channel material,OFET active semiconductor,High hole mobility polymer,Solution-processable semiconductor,Liquid crystalline conjugated polymer,Nematic conjugated polymer,Printed electronics functional ink,Organic photovoltaic donor material,Organic photodetector polymer,Electronic grade conjugated polymer,High purity F8T2 polymer,CAS 210347-56-1 supplier,F8T2 manufacturer China,Suzhou Health Chemicals optoelectronic materials,OTFT materials wholesale bulk export

 

Poly[(9,9-dioctylfluorenyl-2,7-diyl)-co-(bithiophene)] serves as an indispensable, ultra-pure conjugated semiconducting copolymer, benchmark solution-processable p-type organic semiconductor, and versatile optoelectronic active material extensively utilized across organic thin-film transistors (OTFTs/OFETs), flexible printed integrated circuits, organic photovoltaics (OPVs), radio-frequency identification (RFID) tags, and biochemical sensor platforms. In organic semiconductor physics and printed microelectronics engineering, universally designated as F8T2 or PFT2, its molecular architecture incorporates alternating planar 9,9-dioctylfluorene cores and electron-rich 2,2'-bithiophene moieties covalently coupled along a continuous conjugated pi-electron main chain; it exhibits an optimal highest occupied molecular orbital (HOMO) energy level aligned between -5.30 eV and -5.50 eV; this deep-lying ionization potential imparts extraordinary oxidative durability under ambient environmental conditions, effectively mitigating unintended oxygen-induced p-doping that often triggers elevated off-state leakage currents and low on/off ratios in conventional polythiophenes; furthermore, the copolymer possesses pronounced thermotropic and lyotropic nematic liquid-crystalline phase behavior; upon post-deposition thermal annealing within its liquid crystalline mesophase window or across rubbed alignment layers, the conjugated backbones spontaneously self-assemble into highly organized, uniaxially oriented crystalline domains with tight face-to-face pi-pi stacking; this supramolecular organization establishes continuous charge-transport pathways that drive field-effect hole mobilities exceeding 0.01 to 0.05 cm2/Vs alongside on/off current ratios surpassing 10^5 to 10^6. Optoelectronically, the presence of flexible aliphatic octyl side chains ensures outstanding solubility and rheological adaptability in industrial processing solvents such as chlorobenzene, o-dichlorobenzene, and xylenes, enabling compatibility with large-area solution-printing methodologies including high-resolution inkjet printing, slot-die continuous coating, and gravure roll-to-roll manufacturing for flexible logic circuits and active-matrix display backplanes. In organic photovoltaic active layers, it acts as a polymer donor promoting efficient exciton dissociation and hole extraction. In analytical chemical sensing, its conductive channel provides an active transduction medium for detecting volatile analytes with high signal-to-noise ratios. Furthermore, in antistatic protective coatings, functional thin-film layers, and specialized optoelectronic monitoring probes for petroleum and natural gas infrastructure, chemical systems engineered from Poly[(9,9-dioctylfluorenyl-2,7-diyl)-co-(bithiophene)] deliver exceptional operational reproducibility, morphological uniformity, and broad multi-industry performance.