Cz-PS
All Semiconducting Molecules, OLED Dopant Materials, Sublimed Materials, TADF Materials
Cz-PS, blue dopant material
Available in sublimed grade for highly efficient TADF-OLED devices
Cz-PS, 9,9'-(4,4'-Sulfonylbis(4,1-phenylene))bis(3,6-di-tert -butyl-9H-carbazole), has an electron deficient diphenylsulfonyl core with two electron donating di-tert-butyl substituted carbazolyl peripheral end groups. The bulky tert-butyl substituents can not only stabilize the molecule by blocking the electron rich 3,6-position to prevent the formation of dimers but also, they can effectively prevent the formation of the excimers.
Bis[4-(3,6-di-tert-butylcarbazole)phenyl]sulfone demonstrated deep-blue emission and the OLED with the dopant achieved a high EQE of 9.9% by using DPEPO as the host. Meanwhile, the OLED device suffered from a sharp efficiency roll-off at high current density, primarily caused by the relatively large energy gap between the S1 and T1 states (ΔEST = 0.32 eV).
General Information
| CAS Number | 1396165-20-0 |
| Chemical Formula | C53H56N2O2S |
| Molecular Weight | 773.08 g/mol |
| Absorption | λmax 346 nm in toluene [1] |
| Fluorescence | λmax 404 nm in toluene [1] |
| HOMO/LUMO | HOMO = 5.81 eV, LUMO = 2.52 eV [1] |
| Full Name | 9,9'-(4,4'-Sulfonylbis(4,1-phenylene))bis(3,6-di-tert -butyl-9H-carbazole) |
| Synonyms | DTC-DPS, Bis[4-(3,6-Di-tert-butylcarbazole)phenyl]sulfone |
| Classification / Family | Carbazole derivatives, Diphenylsulfones, TADF materials, Blue dopant, TADF Host, Sublimed materials |
Chemical Structure
![Cz-PS, Bis[4-(3,6-Di-tert-butylcarbazole)phenyl]sulfone chemical structure, 1396165-20-0](https://cdn.shopify.com/s/files/1/0823/0287/files/cz-ps-chemical-structure-body.png)
Product Details
| Purity | Sublimed* >99.0% (HPLC) |
| Melting Point | N/A |
| Appearance | White to pale yellow powder/crystals |
*Sublimation is a technique used to obtain ultra pure-grade chemicals. For more details about sublimation, please refer to the Sublimed Materials for OLED devices page.
Device Structure
| Device Structure | ITO/NPD (30 nm)/TCTA (20 nm)/CzSi (10 nm)/Cz-PS:DPEPO (20 nm)/DPEPO (10 nm)/TPBi (30 nm)/LiF (0.5 nm)/Al [1] |
| Colour |
 Blue |
| Max. EQE | 9.9% |
MSDS Documentation
Cz-PS MSDS sheetPricing
| Grade | Order Code | Quantity | Price |
| Sublimed (>99.0% purity) | M2386A1 | 250 mg | £360 |
| Sublimed (>99.0% purity) | M2386A1 | 500 mg | £620 |
| Sublimed (>99.0% purity) | M2386A1 | 1 g | £1050 |
Literature and Reviews
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Design of Efficient Thermally Activated Delayed Fluorescence Materials for Pure Blue Organic Light Emitting Diodes, Q. Zhang et al., J. Am. Chem. Soc., 134, 36, 14706–14709 (2012); DOI: 10.1021/ja306538w.
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Deep-blue thermally activated delayed fluorescence dendrimers with reduced singlet-triplet energy gap for low roll-off non-doped solution-processed organic light-emitting diodes, J. Li et al., Dye. Pigm., 140, 79-86 (2017); DOI: 10.1016/j.dyepig.2017.01.036.
- High-efficiency deep-blue organic light-emitting diodes based on a thermally activated delayed fluorescence emitter, S. Wu et al., J. Mater. Chem. C, 2, 421-424 (2014); DOI: 10.1039/C3TC31936A.
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To the best of our knowledge the information provided here is accurate. However, Ossila assume no liability for the accuracy of this page. The values provided are typical at the time of manufacture and may vary over time and from batch to batch. Products may have minor cosmetic differences (e.g. to the branding) compared to the photos on our website. All products are for laboratory and research and development use only, and may not be used for any other purpose including health care, military, pharmaceuticals, cosmetics, food, or commercial applications.