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901101

Sigma-Aldrich

TFB

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Synonym(s):
Poly[(9,9-dioctylfluorenyl-2,7-diyl)-co-(4,4′-(N-(4-sec-butylphenyl)diphenylamine)]
Linear Formula:
(C51H61N)n
CAS Number:
220797-16-0
UNSPSC Code:
12352116
NACRES:
NA.23

form

powder

Quality Level

100

mol wt

average Mw >30,000 by GPC

greener alternative product characteristics

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

color

yellow

mp

>300 °C

greener alternative category

, Enabling

SMILES string

CCCCCCCCC1(CCCCCCCC)C2=C(C=CC(C3=CC=C(N(C4=CC=C(C(CC)C)C=C4)C5=CC=C(C)C=C5)C=C3)=C2)C6=C1C=C(C)C=C6

InChI

1S/C53H67N/c1-7-10-12-14-16-18-36-53(37-19-17-15-13-11-8-2)51-38-41(5)22-34-49(51)50-35-27-45(39-52(50)53)44-25-32-48(33-26-44)54(46-28-20-40(4)21-29-46)47-30-23-43(24-31-47)42(6)9-3/h20-35,38-39,42H,7-19,36-37H2,1-6H3

InChI key

LMXSDGRJIJNLIY-UHFFFAOYSA-N

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General description

TFB, a hole transporting material and an electron-blocking layer, has high hole mobility, low electron affinity, and high ionic potential. Its electron blocking nature results in effective confinement of injected charge carriers in the perovskite layers.
We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product belongs to Enabling category of greener alternatives thus aligns with "Design for energy efficency". Hole transport organic materials allow perfect energy level alignment with the absorber layer and therefore efficient charge collection, are prone to degradation in ambient conditions.Click here for more information.

Application

TFB can be used in the formation of multilayer quantum dot-based light-emitting diodes (LEDs). It can also be used in the fabrication of highly responsive gas sensors for breath analysis.

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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High-Efficiency Cu-In-S Quantum-Dot-Light-Emitting Device Exceeding 7%.
Kim JH, et al.
Chemistry of Materials, 28(17), 6329-6335 (2016)
Room-temperature-operated organic-based acetone gas sensor for breath analysis
Chuang M, et al.
Sensors and Actuators B, Chemical, 260(9), 593-600 (2018)
Guangru Li et al.
Advanced materials (Deerfield Beach, Fla.), 28(18), 3528-3534 (2016-03-19)
The preparation of highly efficient perovskite nanocrystal light-emitting diodes is shown. A new trimethylaluminum vapor-based crosslinking method to render the nanocrystal films insoluble is applied. The resulting near-complete nanocrystal film coverage, coupled with the natural confinement of injected charges within
Bong Hoon Kim et al.
ACS nano, 10(5), 4920-4925 (2016-04-15)
Here, we report multilayer stacking of films of quantum dots (QDs) for the purpose of tailoring the energy band alignment between charge transport layers and light emitting layers of different color in quantum dot light-emitting diodes (QD LED) for maximum
High-performance hole-transport layers for polymer light-emitting diodes. Implementation of organosiloxane cross-linking chemistry in polymeric electroluminescent devices
Yan H, et al.
Journal of the American Chemical Society, 127(9), 3172-3183 (2005)
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