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Sigma-Aldrich

3,3′′′-Dihexyl-2,2′:5′,2′′:5′′,2′′′-quaterthiophene

greener alternative

95%

Synonym(s):

α,ω-Dihexylquaterthiophene, 5,5′-Bis(3-hexyl-2-thienyl)-2,2′-bithiophene, DH-4T

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About This Item

Empirical Formula (Hill Notation):
C28H34S4
CAS Number:
132814-91-6
Molecular Weight:
498.83
MDL number:
MFCD10567045
UNSPSC Code:
12352103
PubChem Substance ID:
329761664
NACRES:
NA.23

Assay

95%

form

solid

greener alternative product score

old score: 82
new score: 24
Find out more about DOZN™ Scoring

greener alternative product characteristics

Waste Prevention
Safer Solvents and Auxiliaries
Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

mp

25-29 °C

greener alternative category

, Re-engineered

SMILES string

CCCCCCc1ccsc1-c2ccc(s2)-c3ccc(s3)-c4sccc4CCCCCC

InChI

1S/C28H34S4/c1-3-5-7-9-11-21-17-19-29-27(21)25-15-13-23(31-25)24-14-16-26(32-24)28-22(18-20-30-28)12-10-8-6-4-2/h13-20H,3-12H2,1-2H3

InChI key

MLDVGCCQHBDHDR-UHFFFAOYSA-N

General description

3,3′′′-Dihexyl-2,2′:5′,2′′:5′′,2′′′-quaterthiophene (D4HT) is a dihexyl quarterthiophene derivative that can be used as a donor-acceptor molecule in organic electronic devices. It has a field mobility of 0.23 cm2/Vs and acts as an active layer in semiconductors.
We are committed to bringing you Greener Alternative Products, which adhere to one of the four categories of Greener Alternatives . This product belongs to category of Re-engineered products, showing key improvements in Green Chemistry Principles “Waste Prevention”, “Safer Solvents and Auxiliaries” and “Design for Energy Efficiency”. Click here to view its DOZN scorecard.

Application

D4HT can be used a conjugating polymer in the fabrication of devices such as organic field effect transistor (OFET), organic thin film transistor (OTFT) and organic photovoltaics (OPV).

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H319

Precautionary Statements

P305 + P351 + P338

Hazard Classifications

Eye Irrit. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

>230.0 °F

Flash Point(C)

> 110 °C

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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Simulation of IV characteristics of organic thin film transistor: Application to the dihexylquaterthiophene
Bourguiga R, et al.
The European Physical Journal - Applied Physics, 14(2), 121-125 (2001)
In situ electrical characterization of DH4T field-effect transistors
Muck T, et al.
Synthetic Metals, 146(3), 317-320 (2004)
Nanoimprinted organic field-effect transistors: fabrication, transfer mechanism and solvent effects on device characteristics
Kam AP, et al.
Microelectronic Engineering, 73(5), 809-813 (2004)
Efficiency enhancement of P3HT: PCBM polymer solar cells using oligomers DH4T as the third component
Fu P, et al.
Science China: Chemistry, 58(7), 1169-1175 (2015)
Process optimization of organic thin-film transistor by ink-jet printing of DH4T on plastic
Song DH, et al.
Applied Physics Letters, 90(5), 053504-053504 (2007)
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