TBPe
CAS Number 80663-92-9
Dopant Materials, High Purity Sublimed Materials, Materials, Semiconducting Molecules, TADF Materials
TBPe, a blue fluorescence emitter in OLED devices
Increases the efficiency of the electroluminescent devices by preventing the formation of exciplexes
2,5,8,11-Tetra-tert-butylperylene (TBPe), a family member of perylene, has been widely used as a blue fluorescence emitter in OLED devices.
With the introduction of four steric tert-butyl groups to the perylene, electroluminescent devices using TBPe as a dopant have the benefit of electroluminescent colour stability; this is due to a lower degree of molecular aggregation tendency in the non-planar perylene structure.
The steric hindrance of the side groups also prevents the formation of exciplex and charge trapping, leading to higher efficiency of the electroluminescent devices.
General Information
CAS number | 80663-92-9 |
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Chemical formula | C36H44 |
Molecular weight | 476.73 g/mol |
Absorption* | λmax 412, 438 nm in THF |
Fluorescence | λem 459, 480 nm in THF |
HOMO/LUMO | HOMO 5.25 eV, LUMO 1.84 eV [1] |
Synonyms | 2,5,8,11-Tetrakis(1,1-dimethylethyl)perylene, 2,5,8,11-Tetra-tert-butylperylene, TBP |
Classification / Family | Perylene derivatives, Blue fluorescence emitter, Light-emitting diodes, Organic electronics, TADF blue dopant materials, Sublimed materials. |
* Measurable with an optical spectrometer, see our spectrometer application notes.
Product Details
Purity | Sublimed* >99.0% (HPLC) |
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Melting point | TGA >220 °C (0.5% weight loss) |
Appearance | White powder/crystals |
* Sublimation is a technique used to obtain ultra pure-grade chemicals, see sublimed materials.
Chemical Structure
Device Structure(s)
Device structure | ITO (120 nm)/PEDOT:PSS (60 nm)/mCP (30 nm)/CzAcSF:TBPe (25 nm)/TSPO1* (5 nm)/TPBi (30 nm)/LiF (1 nm)/Al (200 nm) [2] |
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Colour | Blue |
Max Current Efficiency | 23.7 cd/A |
Max EQE | 15.4% |
Max. Power Efficiency | 23.4 lm W-1 |
Device structure | ITO (120 nm)/PEDOT:PSS (60 nm)/mCP (30 nm)/CzAcSF:TBPe:TBRb (25 nm)/TSPO1* (5 nm)/TPBi (30 nm)/LiF (1 nm)/Al (200 nm) [2] |
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Colour | White |
Max Current Efficiency | 35.1 cd/A |
Max EQE | 14.0% |
Max. Power Efficiency | 36.2 lm W-1 |
Device structure | ITO/a-NPB (35 nm)/mCP (10 nm)/1 wt%-TBPe:15wt%-ACRSA:DPEPO (15 nm)/DPEPO (8 nm)/TPBi (57 nm)/LiF (0.8 nm)/Al (100 nm) [3] |
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Colour | Blue |
Max Current Efficiency | 27 cd/A |
Max EQE | 13.4% |
Max. Power Efficiency | 18 lm W-1 |
Device structure | ITO (120 nm)/PEDOT:PSS (60 nm)/TAPC (10 nm)/TCTA (10 nm)/mCP (10 nm)/DPEPO:50% CzAcSF:0.1% TBPe (25 nm)/TSPO1* (5 nm)/TPBI (30 nm)/LiF (1 nm)/Al (200 nm) [4] |
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Colour | Blue |
Max Current Efficiency | 29.8 cd/A |
Max EQE | 18.1 |
Max. Power Efficiency | 31.2 lm W-1 |
Pricing
Grade | Order Code | Quantity | Price |
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Sublimed (>99.0% purity) | M2117A1 | 250 mg | £240 |
Sublimed (>99.0% purity) | M2117A1 | 500 mg | £400 |
Sublimed (>99.0% purity) | M2117A1 | 1 g | £680 |
MSDS Documentation
Literature and Reviews
- Electroluminescent Properties of Fully Substituted Ethylene Moieties, S. Kim et al., Mol. Cryst. Liq. Cryst., 458:1, 209-216 (2006); DOI: 10.1080/15421400600932371.
- Host Engineering for High Quantum Effi ciency Blue and White Fluorescent Organic Light-Emitting Diode, W. Song et al., Adv. Mater., 27, 4358–4363 (2015); DOI: 10.1002/adma.201501019.
- High-efficiency organic light-emitting diodes with fluorescent emitters, H. Nakanotani et al., Nat. Commun., 5:4016 (2014); DOI: 10.1038/ncomms5016.