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932078

Sigma-Aldrich

10-Phenyl-10H,10′H-spiro[acridine-9,9′-anthracen]-10′-one

≥99% (HPLC)

Synonym(s):

ACRSA

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About This Item

Empirical Formula (Hill Notation):
C32H21NO
CAS Number:
1206626-95-0
Molecular Weight:
435.52
UNSPSC Code:
12352302
NACRES:
NA.23
Assay:
≥99% (HPLC)
grade:
sublimed grade
solubility:
chloroform: soluble
toluene: soluble

Quality Level

100

grade

sublimed grade

Assay

≥99% (HPLC)

energy gap

0.04 eV (delta EST)

loss

0.5% TGA, > 250 °C (weight loss)

solubility

chloroform: soluble
toluene: soluble

λmax

301 nm±5 nm in toluene

Application

10-Phenyl-10H,10′H-spiro[acridine-9,9′-anthracen]-10′-one, also known as ACRSA, is a solution-processable efficient TADF emitter, used as blue - greenish dopant.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Larissa Gomes Franca et al.
The journal of physical chemistry letters, 12(5), 1490-1500 (2021-02-04)
The molecular photophysics and thermally activated delayed fluorescence (TADF) in spiro compounds are distinct because of the rigid orthogonal C-C bridging bond between donor and acceptor. The photophysics is found to be highly complex, with unprecedented multiple anti-Kasha emissions from
Climbing up the Ladder: Intermediate Triplet States Promote the Reverse Intersystem Crossing in the Efficient TADF Emitter ACRSA.
Lyskov I, et al.
The Journal of Physical Chemistry C, 121, 21145?21153-21145?21153 (2017)
Keiro Nasu et al.
Chemical communications (Cambridge, England), 49(88), 10385-10387 (2013-09-28)
Efficient thermally activated delayed fluorescence was observed from a spiro-anthracenone derivative (ACRSA). An organic light-emitting diode containing ACRSA exhibited blue-greenish electroluminescence with a maximum external quantum efficiency of 16.5%.

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