F8BT

CAS No.：210347-52-7

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F8BT Basic information

Classification Applications Usage Datasheet

Product Name:	F8BT
Synonyms:	F8BT;Poly[(9,9-di-n-octylfluorenyl-2,7-diyl)-alt-(benzo[2,1,3]thiadiazol-4,8-diyl)];Poly[(9,9-dioctylfluorenyl-2,7-diyl)-alt-(benzo[2,1,3]thiadiazol-4,7-diyl)];gold monochlorid Poly[2,1,3-benzothiadiazole-4,7-diyl(9,9-dioctyl-9H-fluorene-2,7-diyl)];Benzothiadiazole-9,9-dioctylfluorene alternating copolyMer;Benzothiadiazole-9,9-dioctylfluorene copolyMer;PFBT;PFO-BT
CAS:	210347-52-7
MF:	(C35H42N2S)n
MW:	0
EINECS:
Product Categories:
Mol File:	Mol File

F8BT Chemical Properties

Melting point	240.2 °C
form	solid
color	orange
Odor	Orange powder/flakes

Safety Information

WGK Germany

MSDS Information

F8BT Usage And Synthesis

Classification	Polyfluorenes, Benzothiodiazoles, Organic semiconducting materials, Semiconducting polymers, OLED green emitter materials, OLED materials, Organic Photovoltaic materials, Polymer solar cells, OFET materials.
Applications	A widely used green emitting reference polymer for a variety of applications including as an emissive species in OLEDs, an approximately balanced p-type and n-type polymer for OFETs and light emitting transistors as well as being used a polymeric accepter for OPVs. The deep lying HOMO and LUMO levels (5.9 / 3.3 eV) make it air stable while the liquid-crystalline and beta phases make it widely used for basic research purposes. ▼ ▲ Device structure ITO/PEDOT:PSS/TFB/F8BT/F8imBT-Br/Ca/Al [4] Colour* Green Max. EQE 5.1% Max. Current Efficiency 17.9 cd/A Max. Power Efficiency 16.6 lm W−1
Usage Datasheet	For a high efficiency green OLED we recommend blending F8 with F8BT with the below specifications. This ink can then be applied either in air or in a glovebox with little difference in performance provided exposure time and light levels are minimised. At typical concentrations of 10 mg/ml 100 mg of F8 (PFO) will make around 200 devices on Ossila's standard ITO substrates (20 x 15 mm) assuming 50% solution usage (50% loss in filtering and preparation). OLED reference device: F8 with F8BT Blend ratio of 19:1 (F8:F8BT) in Toluene Total concentration of 10 mg/ml 0.45 μm PTFE filter Spun at 2000 rpm (approx. 70 nm thickness) Pipetting 20 μl of the above solutions onto a substrate spinning at 2000 rpm should provide a good even coverage with approximately 70 nm thickness. The substrate needs to be spun until dry, which is typically only a few seconds — 15 seconds should be ample to achieve this. Thermal annealing should be undertaken at 80°C for 10 minutes prior to cathode deposition A basic but efficient OLED can be made using PEDOT:PSS as a hole transport layer and Calcium/Aluminium as the electron contact. When used with the Ossila ITO substrates and shadow masks this produces an easy to fabricate yet efficient >100 cd/m2) device.
Uses	F8BT can be used with poly(9,9-di-n-octylfluorenyl-2,7-diyl) (PTO) to map the effect of noise sources on photoconducting charge transports by evaluating the conductivity and noise source density (N_t). It may also form a nanocomposite with single walled carbon nanotube (SWCNT) with excellent electric properties and high Seebeck coefficient, for potential application in the development of photovoltaic power and biomass energy. Organic light emitting diode (OLED) devices can be fabricated by depositing a blend of F8 and F8BT on PEDOT:PSS films.
General Description	F8BT is a fluorene copolymer that is used as a light-emitting polymer (LEP) with low energy of lowest unoccupied molecular orbital (LUMO), high electron mobility and luminance.

F8BT Preparation Products And Raw materials

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