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760137

Sigma-Aldrich

Benzo[1,2-b:4,5-b′]dithiophene-4,8-dione

97%

Synonym(s):

Thieno[2,3-f]benzothiophene-4,8-dione

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About This Item

Empirical Formula (Hill Notation):
C10H4O2S2
CAS Number:
32281-36-0
Molecular Weight:
220.27
MDL number:
MFCD01927240
UNSPSC Code:
12352103
PubChem Substance ID:
329766840
NACRES:
NA.23

Assay

97%

form

solid

mp

260-265 °C

SMILES string

O=C1c2ccsc2C(=O)c3ccsc13

InChI

1S/C10H4O2S2/c11-7-5-1-3-13-9(5)8(12)6-2-4-14-10(6)7/h1-4H

InChI key

SIUXRPJYVQQBAF-UHFFFAOYSA-N

General description

Benzo[1,2-b:4,5-b′]dithiophene-4,8-dione (BDTD) is a conductive polymer with a symmetric and planar conjugated structure which has a hole mobility of 0.25 cm2V-1s-1.

Application

BDTD can be used as an acceptor layer in the fabrication of polymer based solar cells.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

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Low bandgap polymers with benzo (1, 2-b: 4, 5-b?) dithiophene and bisthiophene-dioxopyrrolothiophene units for photovoltaic applications.
Zhang G, et al.
Polymer, 52(2), 415-421 (2011)
Optimization of side chains in alkylthiothiophene-substituted benzo (1, 2-b: 4, 5-b?) dithiophene-based photovoltaic polymers.
Zhang S, et al.
Polym. Chem., 6(14), 2752-2760 (2015)
Yongye Liang et al.
Journal of the American Chemical Society, 131(22), 7792-7799 (2009-05-21)
This paper describes synthesis and photovoltaic studies of a series of new semiconducting polymers with alternating thieno[3,4-b]thiophene and benzodithiophene units. The physical properties of these polymers were finely tuned to optimize their photovoltaic effect. The substitution of alkoxy side chains
Coffin; R. C.; MacNeill; C. M.; Peterson; E. D.; et al.
Journal of Nanotechnology, 572329-572329 (2011)
Synthesis and photovoltaic properties of low band gap polymers containing benzo (1, 2-b: 4, 5-c?) dithiophene-4, 8-dione.
Cao J, et al.
Macromolecules, 45(3), 1710-1714 (2012)
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