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Electronical chemicals

4-Pinacol ester-9,9-dipehnylfluorene

CAS number

1259280-37-9

Molecular formula C31H29BO2
Product name 4-Pinacol ester-9,9-dipehnylfluorene
Molecular Structure

Molecular Weight:444.37200

PSA:18.46000

LogP:6.34890


4-Pinacol ester-9,9-diphenyl fluorene (4PE-DPF) is a high-performance organic semiconductor material with superior physical and chemical properties. It is a light-emitting polymer which is widely used in organic light-emitting diodes (OLEDs) and organic photodetectors (OPDs) due to its excellent photoluminescence properties.


4PE-DPF is synthesized via a direct condensation reaction between 4-pinacol ester and 9,9-diphenyl fluorene. The reaction is carried out in a solvent mixture of toluene and pyridine at a temperature of 140°C to obtain a white solid. This solid is then purified by recrystallization in a mixture of ethyl acetate and methanol.


4PE-DPF exhibits excellent optical performance. It has a high quantum yield of up to 90%, low blinking and a narrow emission spectra. It also has excellent thermal stability and air stability, making it ideal for use in OLEDs and OPDs.


4PE-DPF has a wide range of applications in the field of display and lighting. It is used as a light-emitting material in OLEDs, OPDs, electrochromic displays, and thin film transistors (TFTs). It is also used in solar cells, optoelectronic devices and sensors.


4PE-DPF is a high-performance, low-cost, and stable material. It has superior physical and chemical properties and can be used in various fields. It offers excellent optical performance and is reliable and efficient. It is an ideal choice for display and lighting applications.


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