O3605
1,8-Octanedithiol
≥97%
Synonym(s):
1,8-Dimercaptooctane
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About This Item
Linear Formula:
HS(CH2)8SH
CAS Number:
Molecular Weight:
178.36
EC Number:
MDL number:
UNSPSC Code:
12352103
PubChem Substance ID:
NACRES:
NA.23
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Quality Level
Assay
≥97%
refractive index
n20/D 1.505 (lit.)
bp
269-270 °C (lit.)
density
0.97 g/mL at 25 °C (lit.)
SMILES string
SCCCCCCCCS
InChI
1S/C8H18S2/c9-7-5-3-1-2-4-6-8-10/h9-10H,1-8H2
InChI key
PGTWZHXOSWQKCY-UHFFFAOYSA-N
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General description
1,8-Octanedithiol (OCT) is an alkanedithiol, which forms a self-assembled monolayer (SAM) on a variety of metal surfaces. OCT contains linearly arranged carbon-carbon bonds (C−C) and two sulfur atoms at the end facilitating the attachment with the surface atoms of the substrates. It mainly forms an organo-metallic system, which can be used to improve the electron transport medium for a wide range of electronic applications.
Application
OCT may be used as a processing additive that can functionalize the electrode layer to enhance the power efficiency of P3HT:PCBM solar cells. It may also be used to form a SAM on gold electrodes to enhance the electrochemical properties.
Signal Word
Warning
Hazard Statements
Hazard Classifications
Acute Tox. 4 Oral
Storage Class Code
10 - Combustible liquids
WGK
WGK 3
Flash Point(F)
235.4 °F - closed cup
Flash Point(C)
113 °C - closed cup
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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Delocalisation softens polaron electronic transitions and vibrational modes in conjugated polymers.
Kahmann S, et al.
Journal of Material Chemistry C, 6(22), 6008-6013 (2018)
Adsorption of single 1, 8-octanedithiol molecules on Cu (100).
Villagomez CJ, et al.
Physical Chemistry Chemical Physics, 18(39), 27521-27528 (2016)
Influence of Solvent Additive 1, 8-Octanedithiol on P3HT: PCBM Solar Cells.
Wang W, et al.
Advances in Functional Materials, 28(20), 1800209-1800209 (2018)
Electrochemical STM investigation of 1, 8-octanedithiol monolayers on Au (1 1 1).: Experimental and theoretical study.
Esplandiu MJ, et al.
Surface Science, 600(1), 155-172 (2006)
Efficacy of Ti O x optical spacer in bulk-heterojunction solar cells processed with 1, 8-octanedithiol.
Lee JK, et al.
Applied Physics Letters, 92(24), 220-220 (2008)
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