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2,8-Bis(diphenylphosphoryl)dibenzo[b,d]thiophene

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2,8-Bis(diphenylphosphoryl)dibenzo[b,d]thiophene Basic information
Product Name:2,8-Bis(diphenylphosphoryl)dibenzo[b,d]thiophene
Synonyms:PPT;4'-PHOSPHOPANTETHEINE;Phosphine oxide, 1,1'-(2,8-dibenzothiophenediyl)bis[1,1-diphenyl-;2,8-bis(diphenylphosphoryl)dibenzo[b,d]thiophene;PPT , 2,8-bis(diphenylphosphoryl)dibenzo[b,d]thiophene;1,1'-(2,8-Dibenzothiophenediyl)bis[1,1-diphenylphosphine oxide;2,8-Bis(diphenylphosphoryl)dibenzothiophene;dibenzo[b,d]thiophene-2,8-diylbis(diphenylphosphine oxide)
CAS:1019842-99-9
MF:C36H26O2P2S
MW:584.6
EINECS:
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Mol File:Mol File
2,8-Bis(diphenylphosphoryl)dibenzo[b,d]thiophene Structure
2,8-Bis(diphenylphosphoryl)dibenzo[b,d]thiophene Chemical Properties
Boiling point 830.1±60.0 °C(Predicted)
density 1.34±0.1 g/cm3(Predicted)
storage temp. Store at room temperature
form solid
color white
InChI1S/C36H26O2P2S/c37-39(27-13-5-1-6-14-27,28-15-7-2-8-16-28)31-21-23-35-33(25-31)34-26-32(22-24-36(34)41-35)40(38,29-17-9-3-10-18-29)30-19-11-4-12-20-30/h1-26H
InChIKeyFLOCBCIFBBVRCJ-UHFFFAOYSA-N
SMILESC12=CC=C(P(OC3=CC=CC=C3)(OC3=CC=CC=C3)=O)C=C1C1=CC(P(OC3=CC=CC=C3)(OC3=CC=CC=C3)=O)=CC=C1S2
Melting point TGA: >320 °C(0.5% weight loss)
Absorptionλmax312, 328 nm in DCM
Safety Information
WGK Germany WGK 3
Storage Class11 - Combustible Solids
MSDS Information
2,8-Bis(diphenylphosphoryl)dibenzo[b,d]thiophene Usage And Synthesis
DescriptionPPT is an ambipolarphosphorescent host materials with an electron-rich dibenzothiophene core and two electron-deficientdiphenyl-phosphoryl side arms. For this reason,PPT is a good electron-transport material with higher electron mobility rate, offering better electron injection.
Uses2,8-Bis(diphenylphosphoryl)dibenzo[b,d]thiophene (PPT) can be used as an electro-transport material to enhance the efficiency and lifetime of inverted organic light-emitting diodes (iOLEDs), but its performance is lower than 2,8-bis(diphenylphosphoryl)dibenzo[b,d]thiophene sulfone (PPT-S)[1]. In addition, PPT is also employed in the preparation of organic amorphous films. Research indicates that pure PPT films exhibit negative spontaneous orientational polarisation (SOP), yet this polarity can transition to positive SOP with increasing concentrations of non-polar molecules[2].
[1] SHIZUKA KAWAMURA. Effects of Energy-Level Alignment on Characteristics of Inverted Organic Light-Emitting Diodes[J]. ACS Applied Materials & Interfaces, 2019, 11 24: 21749-21755. DOI:10.1021/acsami.9b03895.
[2] YUUHI UEDA . A polar transition of spontaneous orientation polarization in organic amorphous thin films[J]. Chemical Physics Letters, 2023, 833: Article 140915. DOI:10.1016/j.cplett.2023.140915.
2,8-Bis(diphenylphosphoryl)dibenzo[b,d]thiophene Preparation Products And Raw materials
Raw materialsPhosphine, 1,1'-(2,8-dibenzothiophenediyl)bis[1,1-diphenyl--->2,8-Dibromodibenzothiophene-->Chlorodiphenylphosphine
Tag:2,8-Bis(diphenylphosphoryl)dibenzo[b,d]thiophene(1019842-99-9) Related Product Information
PPT Phosphine oxide, 1,1-(2,8-dibenzofurandiyl)bis[1,1-diphenyl- Triphenylphosphine oxide di(naphthalen-2-yl)phosphine oxide 1,8-Bis(diphenylphosphinyl)naphthalene POPy2 , phenyl-dipyrenylphosphine oxide