Skip to Content
MilliporeSigma
All Photos(1)

Documents

767603

Sigma-Aldrich

2,7-Diphenyl[1]benzothieno[3,2-b][1]benzothiophene

sublimed grade, 99%

Synonym(s):

2,7-Diphenylbenzo[b]benzo[4,5]thieno[2,3-d]thiophene, DPh-BTBT

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Empirical Formula (Hill Notation):
C26H16S2
Molecular Weight:
392.54
UNSPSC Code:
12352103
PubChem Substance ID:
329767323
NACRES:
NA.23

grade

sublimed grade

assay

99%

form

powder or crystals

mp

363-368 °C

semiconductor properties

P-type (mobility=2 cm2/V·s)

SMILES string

c1ccc(cc1)-c2ccc3c(c2)sc4c5ccc(cc5sc34)-c6ccccc6

InChI

1S/C26H16S2/c1-3-7-17(8-4-1)19-11-13-21-23(15-19)27-26-22-14-12-20(16-24(22)28-25(21)26)18-9-5-2-6-10-18/h1-16H

InChI key

SBJIDUSVEICMRY-UHFFFAOYSA-N

Application

2,7-Diphenyl[1]benzothieno(3,2-b)[1]benzothiophene is an organic semiconductor material with high charge mobility. It finds application in the fabrication of organic thin film transistors (OFETs), photovoltaic cells and organic light emitting diodes (OLEDs).
Organic Field Effect Transistor (OFET) Materials; p-Type Organic Semiconductors; p-Type Small Molecules; sublimed grade materials

Legal Information

Product of Nippon Kayaku

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H302,H319

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

247.1 °F

flash_point_c

119.5 °C

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’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

2, 7-Diphenyl (1) benzothieno (3, 2-b) benzothiophene, a new organic semiconductor for air-stable organic field-effect transistors with mobilities up to 2.0 cm2 V-1 s-1.
Takimiya K, et al.
Journal of the American Chemical Society, 128(39), 12604-12605 (2006)
Kazuo Takimiya et al.
Journal of the American Chemical Society, 128(39), 12604-12605 (2006-09-28)
Vapor-deposited thin films of a newly developed sulfur-containing heteroarene, 2,7-diphenyl[1]benzothieno[3,2-b][1]benzothiophene (DPh-BTBT), were used as an active layer of OFETs, which showed excellent FET characteristics in ambient conditions with mobilities of approximately 2.0 cm2 V-1 s-1 and Ion/Ioff of 107.
Alkylated Dinaphtho (2, 3-b: 2′ , 3′ -f) Thieno (3, 2-b) Thiophenes (Cn-DNTTs): Organic Semiconductors for High-Performance Thin-Film Transistors.
Kang MJ, et al.
Advanced Materials, 23(10), 1222-1225 (2011)
Takimiya, Kazuo; et al.
Science and Technology of Advanced Materials, 8, 273-276 (2007)
Facile synthesis of highly pi-extended heteroarenes, dinaphtho [2, 3-b: 2 `, 3 `-f] chalcogenopheno [3, 2-b] chalcogenophenes, and their application to field-effect transistors
Yamamoto T and Takimiya K
Journal of the American Chemical Society, 129(8), 2224-2225 (2007)

Articles

Plexcore® OC Hole Injection Inks

Plexcore® organic conductive inks are electronic grade inks formulated for use in the hole injection layers of OLEDs.

High-Purity Sublimed Materials for Organic Electronic Devices

Sublimed materials for organic electronic devices such of OFETs and OTFTs allow the achievement of better electronic properties, and may help increase a device’s lifetime.

Polymer Semiconductors for Intrinsically Stretchable Organic Transistors

Intrinsically stretchable active layers for organic field-effect transistors (OFET) are discussed. Polymer structural modification & post-polymerization modifications are 2 methods to achieve this.

Development of Small Molecule Donors for Solution-Processed Organic Solar Cells

Solution-processed organic photovoltaic devices (OPVs) have emerged as a promising clean energy generating technology due to their ease of fabrication, potential to enable low-cost manufacturing via printing or coating techniques, and ability to be incorporated onto light weight, flexible substrates.

See All

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service