Polythiophene
Sign in to savethumb|The monomer repeat unit of unsubstituted polythiophene. thumb|Polythiophenes demonstrate interesting optical properties resulting from their conjugated backbone, as demonstrated by the fluorescence of a substituted polythiophene solution under UV irradiation. thumb|Space-filling model of poly(3-butylthiophene) from the crystal structure. thumb|Atomic force microscopy|AFM image of poly(3-decylthiophene-2,5-diyl) on hexagonal [[boron nitride (top-right inset).]]
~20 min read
Encyclopedic overview
18 sectionsContents
- Mechanism of conductivity and doping
- Oxidants
- Structure and optical properties
- Conjugation length
- Optical effects
- Substituted polythiophenes
- 3-Alkylthiophenes
- Special substituents
- PEDOT
- Synthesis
- Electrochemical synthesis
- From bromothiophenes
- Routes employing chemical oxidants
- Applications
- Proposed applications
- Notes
- References
- Further reading
thumb|The monomer repeat unit of unsubstituted polythiophene. thumb|Polythiophenes demonstrate interesting optical properties resulting from their conjugated backbone, as demonstrated by the fluorescence of a substituted polythiophene solution under UV irradiation. thumb|Space-filling model of poly(3-butylthiophene) from the crystal structure. thumb|Atomic force microscopy|AFM image of poly(3-decylthiophene-2,5-diyl) on hexagonal [[boron nitride (top-right inset).]]
Polythiophenes (PTs) are polymerized thiophenes, a sulfur heterocycle. The parent PT is an insoluble colored solid with the formula (C4H2S)n. The rings are linked through the 2- and 5-positions. Poly(alkylthiophene)s have alkyl substituents at the 3- or 4-position(s). They are also colored solids, but tend to be soluble in organic solvents.
Excerpted from Wikipedia’s “Polythiophene” article, available under the CC BY-SA 4.0 licence.