797243
4,7-Dibromo-5,6-difluoro-2,1,3-benzothiadiazole
Synonym(s):
bb-F2BT
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About This Item
Empirical Formula (Hill Notation):
C6Br2F2N2S
CAS Number:
Molecular Weight:
329.95
MDL number:
UNSPSC Code:
12352103
PubChem Substance ID:
SMILES string
FC1=C(Br)C2=NSN=C2C(Br)=C1F
InChI
1S/C6Br2F2N2S/c7-1-3(9)4(10)2(8)6-5(1)11-13-12-6
InChI key
HFUBKQHDPJZQIW-UHFFFAOYSA-N
assay
97% (HPLC)
form
fibers
mp
150-155 °C
storage temp.
2-8°C
Quality Level
Application
Fluorinated benzothiadiazole-based conjugated polymers for high open-circuit voltage in organic photovoltaics.
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 3 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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Silaindacenodithiophene-Based Low Band Gap Polymers - The Effect of Fluorine Substitution on Device Performances and Film Morphologies
Schroeder, Bob C.; Huang, Zhenggang; Ashraf, Raja Shahid; Smith, Jeremy; et al
Advances in Functional Materials, 22(8), 1663-1670 (2012)
Jonggi Kim et al.
ACS applied materials & interfaces, 6(10), 7523-7534 (2014-04-22)
The introduction of fluorine (F) atoms onto conjugated polymer backbone has verified to be an effective way to enhance the overall performance of polymer-based bulk-heterojunction (BHJ) solar cells, but the underlying working principles are not yet fully uncovered. As our
Yong Zhang et al.
Chemical communications (Cambridge, England), 47(39), 11026-11028 (2011-09-13)
Small band-gap conjugated polymers based on monofluoro- and difluoro-substituted benzothiadiazole were developed. Highly efficient polymer solar cells (PCE as high as 5.40%) could be achieved for devices made from these polymers.
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