liu.seSök publikationer i DiVA
Ändra sökning
RefereraExporteraLänk till posten
Permanent länk

Direktlänk
Referera
Referensformat
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Annat format
Fler format
Språk
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Annat språk
Fler språk
Utmatningsformat
  • html
  • text
  • asciidoc
  • rtf
Enhanced Electrical Conductivity of Molecularly p-Doped Poly(3-hexylthiophene) through Understanding the Correlation with Solid-State Order
Chalmers University of Technology, Sweden.
Chalmers University of Technology, Sweden.
Chalmers University of Technology, Sweden.
Chalmers University of Technology, Sweden.
Visa övriga samt affilieringar
2017 (Engelska)Ingår i: Macromolecules, ISSN 0024-9297, E-ISSN 1520-5835, Vol. 50, nr 20, s. 8140-8148Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Molecular p-doping of the conjugated polymer poly(3-hexylthiophene) (P3HT) with 2,3,5,6-tetrafluoro-7,7,8,8-tetracyano-quinodimethane (F4TCNQ) is a widely studied model system. Underlying structure property relationships are poorly understood because processing and doping are often carried out simultaneously. Here, we exploit doping from the vapor phase, which allows us to disentangle the influence of processing and doping. Through this approach, we are able to establish how the electrical conductivity varies with regard to a series of predefined structural parameters. We demonstrate that improving the degree of solid-state order, which we control through the choice of processing solvent and regioregularity, strongly increases the electrical conductivity. As a result, we achieve a value of up to 12.7 S cm(-2) for P3HT:F4TCNQ, We determine the F4TCNQ anion concentration and find that the number of (bound + mobile) charge carriers of about 10(-4) mol cm(-3) is not influenced by the degree of solid-state order. Thus, the observed increase in electrical conductivity by almost 2 orders of magnitude can be attributed to an increase in charge-carrier mobility to more than 10(-1) cm(2) V-1 s(-1). Surprisingly, in contrast to charge transport in undoped P3HT, we find that the molecular weight of the polymer does not strongly influence the electrical conductivity, which highlights the need for studies that elucidate structure property relationships of strongly doped conjugated polymers.

Ort, förlag, år, upplaga, sidor
AMER CHEMICAL SOC , 2017. Vol. 50, nr 20, s. 8140-8148
Nationell ämneskategori
Polymerkemi
Identifikatorer
URN: urn:nbn:se:liu:diva-142982DOI: 10.1021/acs.macromol.7b00968ISI: 000413885100034PubMedID: 29093606OAI: oai:DiVA.org:liu-142982DiVA, id: diva2:1156550
Anmärkning

Funding Agencies|Swedish Research Council; Swedish Research Council Formas; Knut and Alice Wallenberg Foundation through a Wallenberg Academy Fellowship; European Research Council (ERC) [637624]; NIH/NIGMS via NSF [DMR-1332208]; NSF

Tillgänglig från: 2017-11-13 Skapad: 2017-11-13 Senast uppdaterad: 2017-12-05

Open Access i DiVA

fulltext(2024 kB)70 nedladdningar
Filinformation
Filnamn FULLTEXT01.pdfFilstorlek 2024 kBChecksumma SHA-512
8d66fc6d1479a9827683bbaaf1506cfe9e4a4c9c319901b50475cd20fd03c0adf0ea7aa7abd7157495946f561b86e91191a0c5ac71abd4d311fbf118220833e9
Typ fulltextMimetyp application/pdf

Övriga länkar

Förlagets fulltextPubMed

Sök vidare i DiVA

Av författaren/redaktören
Kemerink, Martijn
Av organisationen
Komplexa material och systemTekniska fakulteten
I samma tidskrift
Macromolecules
Polymerkemi

Sök vidare utanför DiVA

GoogleGoogle Scholar
Totalt: 70 nedladdningar
Antalet nedladdningar är summan av nedladdningar för alla fulltexter. Det kan inkludera t.ex tidigare versioner som nu inte längre är tillgängliga.

doi
pubmed
urn-nbn

Altmetricpoäng

doi
pubmed
urn-nbn
Totalt: 262 träffar
RefereraExporteraLänk till posten
Permanent länk

Direktlänk
Referera
Referensformat
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Annat format
Fler format
Språk
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Annat språk
Fler språk
Utmatningsformat
  • html
  • text
  • asciidoc
  • rtf