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682799

Sigma-Aldrich

P3OT

regioregular, electronic grade, 99.995% trace metals basis, average Mn ~25,000

Synonym(s):

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

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About This Item

Linear Formula:
(C12H18S)n
CAS Number:
UNSPSC Code:
12352103
NACRES:
NA.23

material

black

grade

electronic grade

description

Band gap: 1.7 eV

Assay

99.995% trace metals basis

form

solid

mol wt

average Mn ~25,000

mp

198-211 °C

Orbital energy

HOMO -5.25 eV 
LUMO -3.55 eV 

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 %

semiconductor properties

P-type (mobility=10−4 - 10−1 cm2/V·s)

General description

Poly(3-octylthiophene-2,5-diyl) (P3OT) is a conducting polymer that is a class of polyalkylthiophene with intrinsic photoluminescence and good electrochemical properties. It can be prepared by oxidative polymerization of 3-octylthiophene (3OT).

Application

P3OT can be used as a conjugating polymer for the fabrication of organic electronic based devices which include photovoltaic cells, flexible electronics, light emitting electrochemical cells and solar cell based applications.
p-type polymer semiconductor.
Conducting polymer.
Rechargeable battery electrodes, electrochromic devices, chemical and optical sensors, light-emitting diodes, microelectrical amplifiers, field-effect transistors and non-linear optical materials.
Used in organic field-effect transistors and in polymer-based solar cells.

Features and Benefits

Good processability, environmental stability and electroactivity.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Deep eutectic solvent systems for FeCl 3-catalyzed oxidative polymerization of 3-octylthiophene
Park T and Lee SH
Green Chemistry, 19(4), 910-913 (2017)
Organic photovoltaic devices based on a novel acceptor material: graphene
Liu Z, et al.
Advanced Materials, 20(20), 3924-3930 (2008)
Side chain length affects backbone dynamics in poly (3-alkylthiophene) s
Zhan P, et al.
Journal of Polymer Science. Part B, Polymer Physics, 56(17), 1193-1202 (2018)
Single-wall carbon nanotube/conjugated polymer photovoltaic devices
Kymakis E and Amaratunga G
Applied Physics Letters, 80(1), 112-114 (2002)
Fabrication of a poly (3-octylthiophene-2, 5-diyl) electrochemiluminescence device assisted by perylene
Daimon T and Nihei E
Materials, 6(5), 1704-1717 (2013)

Articles

The application of conducting polymers at the interface with biology is an exciting new trend in organic electronics research.

Organic materials in optoelectronic devices like LEDs and solar cells are of significant academic and commercial interest.

Organic materials in optoelectronic devices like LEDs and solar cells are of significant academic and commercial interest.

Organic materials in optoelectronic devices like LEDs and solar cells are of significant academic and commercial interest.

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