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901101

Sigma-Aldrich

TFB

greener alternative

Synonym(s):

Poly[(9,9-dioctylfluorenyl-2,7-diyl)-co-(4,4′-(N-(4-sec-butylphenyl)diphenylamine)]

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About This Item

Linear Formula:
(C51H61N)n
CAS Number:
220797-16-0
UNSPSC Code:
12352116
NACRES:
NA.23
Pricing and availability is not currently available.

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.[1]
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.[2][3][4]

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
MKCX1012
MKCV9134
MKCT8056
MKCV0329
MKCR0562

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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-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)
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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Questions

1–2 of 2 Questions  

  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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