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Merck
CN

510831

Poly(3-octylthiophene-2,5-diyl)

regiorandom

Synonym(s):

P3OT

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About This Item

Linear Formula:
(C12H18S)n
CAS Number:
104934-51-2
UNSPSC Code:
12352103
NACRES:
NA.23
MDL number:
MFCD00241412

Key Documents

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OPV device performance

ITO/PEDOT:PSS/P3OT:PC61BM (1:2)/LiF/Al

  • Short-circuit current density (Jsc): 5.55 mA/cm2
  • Open-circuit voltage (Voc): 0.5 V
  • Fill Factor (FF): 0.33
  • Power Conversion Efficiency (PCE): 0.91 %

mol wt

average Mn 22,000, average Mw 36,600

color

red

mp

198-211 °C

solubility

chloroform, methylene chloride, toluene, and THF: soluble

fluorescence

λex 419 nm; λem 550 nm in chloroform

General description

Poly(3-alkylthiophene)s exhibit thermo- and solvatochromism. Regiorandom poly(3-octylthiophene) shows relatively weak red PL in dilute solution. The emission is largely quenched in concentrated solutions and solid thin films.1:1 (head-to-head):(head-to-tail) linkages of regioisomers.
Poly(3-octylthiophene-2,5-diyl) (P3OT) is an alkylthiophene based conductive polymer with high electroluminescence. It is soluble in most of the organic solvents and can be prepared by the electrochemical polymerization of 3-octylthiophene (3OT). It has hydrophobic properties and can be used as a transducer for ion selective electrodes.

Application

Conducting polymer.
Rechargeable battery electrodes, electrochromic devices, chemical and optical sensors, light-emitting diodes, microelectrical amplifiers, field-effect transistors and non-linear optical materials.
P3OT forms a nanocomposite with carbon nanotubes (CNTs) for devising a high performance semiconducting material. It can also be used as a π-conjugating polymer for the fabrication of organic electronic based devices which include polymeric diodes, solar cells and photovoltaic modules.
Used in organic field-effect transistors and in polymer-based solar cells.

Features and Benefits

Good processability, environmental stability and electroactivity.

Packaging

Packaged in glass bottles

Legal Information

Product of Rieke Metals, Inc.
Rieke is a registered trademark of Rieke Metals, Inc.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
MKBP0190V
MKBF1174V
14905TD
04805PC
17002LB

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Semiconducting polymer diodes: Large size, low cost photodetectors with excellent visible-ultraviolet sensitivity
Yu, G and Pakbaz, K and Heeger, AJ
Applied Physics Letters, 64(25), 3422-3424 (1994)
Poly (3-octylthiophene) as solid contact for ion-selective electrodes: contradictions and possibilities
Jarvis JM, et al.
Journal of Solid State Electrochemistry, 20(11), 3033-3041 (2016)
Structural analysis of poly (3-alkylthiophene) s
Leclerc M, et al.
Die Makromolekulare Chemie, 190(12), 3105-3116 (1989)
Light-Emitting Polymers
Pei Q, et al.
Material Matters, 2(3), 26-26 (2007)
Single-wall carbon nanotube/conjugated polymer photovoltaic devices
Kymakis E and Amaratunga G
Applied Physics Letters, 80(1), 112-114 (2002)
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