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932159

Sigma-Aldrich

t-DABNA

≥99% (HPLC)

Synonym(s):

2,12-Di-tert-butyl-5,9-bis(4-(tert-butyl)phenyl)-5,9-dihydro-5,9-diaza-13b-boranaphtho[3,2,1-de]anthracene

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About This Item

Empirical Formula (Hill Notation):
C46H53BN2
CAS Number:
1802003-07-1
Molecular Weight:
644.74
UNSPSC Code:
12352005
NACRES:
NA.23

grade

sublimed grade

Quality Level

100

Assay

≥99% (HPLC)

band gap

2.7 eV, HOMO-LUMO gap

energy gap

0.17 eV, delta EST

transition temp

transition temp 418.7 °C (Td by TGA)

solubility

methylene chloride: soluble

λmax

445 nm in dichloromethane

Orbital energy

HOMO -5.72 eV 
LUMO -3.02 eV 

Related Categories

Application

Recent advancement in boron-based efficient and pure blue thermally activated delayed fluorescence materials for organic light emitting diodes. This is a sublimed high purity material, used as TADF Blue Dopant, with a EQE of 25.1%.
t-DABNA can be used as a host material or as a hole-blocking material in the emissive layer of OLED devices. Its high triplet energy level and other properties can contribute to efficient exciton management and improved device performance. It can also be used in studies on organic photovoltaic (OPV) devices and organic field-effect transistors (OFETs).

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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Hyuna Lee et al.
Frontiers in chemistry, 8, 373-373 (2020-06-09)
In the last few years, electron-deficient materials have been actively researched for application in organic light-emitting diode (OLED) as dopant and electron-transporting materials. The boron-containing materials are interesting as they give good emissive properties in solid state with an electron-accepting
Ideal blue thermally activated delayed fluorescent emission assisted by a thermally activated delayed fluorescent assistant dopant through a fast reverse intersystem crossing mediated cascade energy transfer process.
Han H S, et al.
Journal of Material Chemistry C, 7, 3082-3089 (2019)

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