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901444

Sigma-Aldrich

TSPO1

Synonym(s):

Diphenyl[4-(triphenylsilyl)phenyl]phosphine oxide

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About This Item

Empirical Formula (Hill Notation):
C36H29OPSi
CAS Number:
1286708-86-8
Molecular Weight:
536.67
UNSPSC Code:
12352116
NACRES:
NA.23

form

solid

Quality Level

100

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General description

TSPO1 is an electon transfer layer (ETL) or hole blocking layer (HBL) in OLED devices.

Application

TSPO1 is a phosphine oxide-based blocking and host material with triplet energy excitons. It is mainly used in the formation of a blocking layer that enhances the performance of organic electronic devices like organic light-emitting diodes (OLEDs), and delayed fluorescent devices.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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High efficiency thermally activated delayed fluorescent devices using a mixed host of carbazole and phosphine oxide derived host materials
Kim OY, et al.
Synthetic Metals, 201(8), 49-53 (2015)
A novel pyrrolocarbazole donor for stable and highly efficient thermally activated delayed fluorescent emitters.
Kim J H, et al.
Dyes and Pigments, 136, 529-534 (2017)
Solution processed high efficiency blue and white phosphorescent organic light-emitting diodes using a high triplet energy exciton blocking layer
Yook KS and Lee JY
Organic Electronics, 12(8), 1293-1297 (2011)
Charge transport, carrier balance, and blue electrophosphorescence in diphenyl [4-(triphenylsilyl) phenyl] phosphine oxide devices
Mamada M, et al.
Applied Physics Letters, 98(7), 34-34 (2011)
Jaesang Lee et al.
Nature materials, 15(1), 92-98 (2015-10-20)
The combination of both very high brightness and deep blue emission from phosphorescent organic light-emitting diodes (PHOLED) is required for both display and lighting applications, yet so far has not been reported. A source of this difficulty is the absence
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