757225
Thieno[3,2-b]thiophene-2,5-dicarboxaldehyde
96%
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About This Item
Empirical Formula (Hill Notation):
C8H4O2S2
CAS Number:
Molecular Weight:
196.25
MDL number:
UNSPSC Code:
12352103
PubChem Substance ID:
NACRES:
NA.23
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![Thieno[3,2-b]thiophene 95%](/deepweb/assets/sigmaaldrich/product/structures/353/609/429fd4bf-e217-4371-80a3-9e5a4d88908b/640/429fd4bf-e217-4371-80a3-9e5a4d88908b.png)
assay
96%
form
solid
mp
274-277 °C
storage temp.
2-8°C
SMILES string
O=Cc1cc2sc(C=O)cc2s1
InChI
1S/C8H4O2S2/c9-3-5-1-7-8(11-5)2-6(4-10)12-7/h1-4H
InChI key
UBKNFAFBINVTOP-UHFFFAOYSA-N
Application
This molecule has been used in the synthesis of novel metal-free organic dyes for Dye-Sensitized Solar Cells reaching conversion efficiencies of 6.23%.
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3
target_organs
Respiratory system
Storage Class
11 - Combustible Solids
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificates of Analysis (COA)
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Niklas Keller et al.
Nanoscale, 11(48), 23338-23345 (2019-12-04)
Covalent organic frameworks (COFs), consisting of covalently connected organic building units, combine attractive features such as crystallinity, open porosity and widely tunable physical properties. For optoelectronic applications, the incorporation of heteroatoms into a 2D COF has the potential to yield
Shao-Lu Li et al.
Chemical communications (Cambridge, England), 26(26), 2792-2794 (2006-10-03)
Two novel metal-free organic dyes containing thienothiophene and thiophene segments have been synthesized. Nano-crystalline TiO2 dye-sensitized solar cells were fabricated using these dyes as light-harvesting sensitizers, and a high solar energy-to-electricity conversion efficiency of 6.23% was achieved.
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