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926213

Sigma-Aldrich

TADF Blue m-ACSO2

≥95%

Sinónimos:

10,10′-(Sulfonylbis(3,1-phenylene))bis(9,9-dimethyl-9,10-dihydroacridine), m-ACSO2, TADF with no host

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About This Item

Fórmula empírica (notación de Hill):
C42H36N2O2S
Número de CAS:
1477512-43-8
Peso molecular:
632.81
UNSPSC Code:
12352103
NACRES:
NA.23

description

PL: 473 nm (film)

delta EST: 0.07 eV

Quality Level

100

assay

≥95%

form

powder

band gap

3.1 eV

color

pale yellow

solubility

THF: soluble
toluene: soluble

fluorescence

(blue) (light)

orbital energy

HOMO -5.36 eV 
LUMO -2.26 eV 

Application

Purely organic thermally activated delayed fluorescence (TADF) emitters can recruit both singlet and triplet excitions for light emission and hence achieve 100% internal quantum efficiency (IQE). Additionally, purely organic TADF emitters avoid the problems associated with the use of heavy-metal-based organometallic complexes.
Bright, deep blue and stable emitters for OLEDs are grand challenge on OLED design at the moment. In this context, our m-ACSO2 is a promising TADF as solution-processable TADF blue emitter without the need of a host with a singlet–triplet energy gap (ΔEST) of 0.07 eV.
TADF Blue m-ACSO2 can be utilized as an emissive material in blue-emitting OLEDs. Its thermally activated delayed fluorescence properties allow for efficient harvesting of triplet excitons, resulting in enhanced device efficiency and reduced energy loss. By using the compound as an emissive material, it can contribute to the production of energy-efficient and long-lasting blue lighting devices.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Theoretical investigation of dihydroacridine and diphenylsulphone derivatives as thermally activated delayed fluorescence emitters for organic light-emitting diodes
X. Zhang et al.
Royal Society of Chemistry Advances, 5, 51586-51591 (2015)
TADF material with non-conjugated rigid donor for high-performance full-color phosphorescent OLEDs: Effects of triplet harvest and charge transport on efficiency
Y.Xia et al.
Organic Electronics, 85, 105826-105826 (2020)
Realizing Highly Efficient Solution-Processed Homojunction-Like Sky-Blue OLEDs by Using Thermally Activated Delayed Fluorescent Emitters Featuring an Aggregation-Induced Emission Property
K.Wu et al.
The Journal of Physical Chemistry Letters, 9 , 1547-1553 (2018)
Efficient management of excitons in red and white organic light-emitting diodes by employing blue thermally activated delayed fluorescent emitter based acridine/sulfone derivative as the host
Z. Wang et al.
Organic Electronics, 57, 311-316 (2018)
Structural design for highly efficient pure fluorescent warm WOLEDs by employing TADF molecule as blue emitter and exciplex donor
B.Zhao et al.
Organic Electronics, 73, 1-6 (2019)

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