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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)
Linear Formula:
(C12H18S)n
CAS Number:
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)

Related Categories

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.

Packaging

250 mg in glass bottle

Features and Benefits

Good processability, environmental stability and electroactivity.

Storage Class Code

13 - Non 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

Certificate of Analysis

Certificate of Origin

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)
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)
Organic photovoltaic devices based on a novel acceptor material: graphene
Liu Z, et al.
Advanced Materials, 20(20), 3924-3930 (2008)
Single-wall carbon nanotube/conjugated polymer photovoltaic devices
Kymakis E and Amaratunga G
Applied Physics Letters, 80(1), 112-114 (2002)
Effects of annealing on the nanomorphology and performance of poly (alkylthiophene): fullerene bulk-heterojunction solar cells
Nguyen LH, et al.
Advances in Functional Materials, 17(7), 1071-1078 (2007)

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