Poly(9,9-di-n-octylfluorenyl-2,7-diyl)

Product Details

CAS No:19456-48-5

MF:(C29H41)n

Appearance:light-yellow or yellow solid powder

Specification:98.5%

UN number:-

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

Supply Capacity:KGS

Synonyms:Poly(9,9-dioctylfluorenyl-2,7-diyl);Poly(9,9-dioctylfluorene);PFO (F8);PFO

Product application:Poly(9,9-Di-n-Octylfluorenyl-2,7-Diyl),19456-48-5,PFO,PF8,Poly(9,9-dioctylfluorene),Poly(9,9-di-n-octylfluorene-2,7-diyl),Polyfluorene homopolymer,Conjugated blue-emitting polymer,PLED emissive material,OLED blue emitter polymer,Pure blue-emitting conjugated polymer,Solution-processable semiconducting polymer,Electroluminescent polymer,Fluorescent polymer dots Pdots precursor,Organic semiconductor polymer,Organic solid-state laser gain material,Printed electronics functional ink,High PLQY conjugated polymer,High purity PFO polymer,CAS 19456-48-5 supplier,Polyfluorene manufacturer China,Suzhou Health Chemicals optoelectronic materials,Blue emitting materials wholesale bulk export

 

Poly(9,9-Di-n-Octylfluorenyl-2,7-Diyl) serves as an indispensable, ultra-pure conjugated polyfluorene homopolymer, benchmark solution-processable blue-emitting organic semiconductor, and versatile optoelectronic active material extensively utilized across polymer light-emitting diodes (PLEDs), flexible flat-panel displays, organic solid-state lasers, fluorescent polymer nanoparticles (Pdots), and advanced printed electronics sectors. In organic semiconductor physics and polymer display engineering, universally recognized as PFO or PF8, its rigid conjugated backbone is constructed exclusively of planar fluorene repeating units coupled directly at the 2,7-positions through carbon-carbon covalent single bonds, creating an extended one-dimensional pi-electron delocalization manifold; the symmetric installation of two flexible aliphatic n-octyl side chains at the bridging C9 position eliminates the extreme crystallization insolubility of unsubstituted polyaromatics, imparting robust solubility and solution rheology in industrial processing solvents such as toluene, xylenes, chlorobenzene, and chloroform; this enables compatibility with large-scale high-throughput deposition methodologies including high-resolution inkjet printing, slot-die continuous coating, and roll-to-roll manufacturing. Optoelectronically, it possesses a wide optical bandgap and high photoluminescence quantum yield exceeding 60 percent in the solid state, facilitating balanced charge carrier capture and radiative recombination under an applied electric field to generate deep, saturated pure blue electroluminescence; furthermore, controlled thermal or solvent-vapor annealing induces self-assembly into the ordered beta-phase chain conformation, which elongates effective conjugation lengths, accelerates intra- and interchain exciton migration toward low-energy emissive states, and effectively suppresses parasitic green-band keto-defect emissions resulting from photo-oxidative degradation. In analytical biochemistry and nanoscale bioimaging, it functions as a primary optical material for preparing brightly luminescent, photostable conjugated polymer dots (Pdots) deployed in fluorescence microfluidic assays and super-resolution bio-tagging. In organic solid-state laser technology, its large optical gain cross-section supports low-threshold stimulated emission within integrated resonant optical cavities. Furthermore, in organic thin-film transistors, antistatic conductive coatings, and specialized optoelectronic monitoring probes for petroleum and natural gas infrastructure, chemical systems engineered from Poly(9,9-Di-n-Octylfluorenyl-2,7-Diyl) deliver outstanding electroluminescent performance, reproducible thin-film reliability, and broad multi-industry value.