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4CzPN-Me CAS 1469700-28-4
Product Code M2378B1-250mg
Price £260 ex. VAT
£ GBP

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A highly efficient TADF green emitter

Family member of carbazolyl benzonitriles (CBC) which are well known, highly efficient thermally activated delayed fluorescence (TADF) materials.

4CzPN-Me, namely 3,4,5,6-tetrakis(3,6-dimethylcarbazol-9-yl)- 1,2-dicyanobenzene, is a fully methylated derivative of 4CzPN at 3,6-positions with four carbazole moieties either next or opposite to the cyano groups. The methyl groups on each of the carbazolyl moieties not only increase the solubility of 4CzPN-Me while comparing with 4CzPN by the introduction of solubilising alkyl groups with enhanced steric effect, but also enrich the electron density of the carbazole units around the benzene ring.

Also comparing with 4CzPN, the photoluminescence of 4CzPN-Me is red-shifted due to the higher degree of electron density and conjugation.

General Information

CAS Number 1469700-28-4
Full Name 3,4,5,6-tetrakis(3,6-dimethylcarbazol-9-yl)- 1,2-dicyanobenzene
Synonyms 3,4,5,6-tetrakis(3,6-dimethyl-9H-carbazol-9-yl)phthalonitrile
Chemical Formula C64H48N6
Molecular Weight 901.11 g/mol
Absorption N/A
Fluorescence λem 552 nm in toluene
HOMO/LUMO HOMO = ~5.8 eV, LUMO = ~3.4 eV (estimated with 4CzPN as reference)
Classification / Family Carbazole, TADF materials, Green dopant materials, Sublimed materials

Chemical Structure

4czpn-me chemical structure, 1469700-28-4
Chemical Structure of 3,4,5,6-tetrakis(3,6-dimethylcarbazol-9-yl)- 1,2-dicyanobenzene (4CzPN-Me), CAS 1469700-28-4

Product Details

Purity Unsublimed >98.0% 1H NMR)
Melting Point N/A
Appearance Orange powder/crystals

Pricing

Grade Order Code Quantity Price
Unsublimed (>98.0% purity) M2378B1 250 mg £260
Unsublimed (>98.0% purity) M2378B1 500 mg £420
Unsublimed (>98.0% purity) M2378B1 1 g £660

MSDS Documentation

4CzPN-Me4CzPN-Me MSDS Sheet

Literature and Reviews

  1. Observation of Nonradiative Deactivation Behavior from Singlet and Triplet States of Thermally Activated Delayed Fluorescence Emitters in Solution, N. Notsuka et al., J. Phys. Chem. Lett., 11 (2), 562–566 (2020); DOI: 10.1021/acs.jpclett.9b03302.
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