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

Direktlänk
Referera
Referensformat
  • apa
  • 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
Photogenerated Charge Transport in Organic Electronic Materials: Experiments Confirmed by Simulations
Stanford Univ, CA 94305 USA.
Linköpings universitet, Institutionen för fysik, kemi och biologi, Komplexa material och system. Linköpings universitet, Tekniska fakulteten.ORCID-id: 0000-0002-7104-7127
2019 (Engelska)Ingår i: Advanced Materials, ISSN 0935-9648, E-ISSN 1521-4095, Vol. 31, nr 22, artikel-id 1806004Artikel, forskningsöversikt (Refereegranskat) Published
Abstract [en]

The performance of organic optoelectronic devices, such as organic photovoltaic (OPV) cells, is to a large extent dictated by their ability to transport the photogenerated charge, with relevant processes spanning a wide temporal (fs-mu s) and spatial (1-100 nm) range. However, time-resolved techniques can access only a limited temporal window, and often contradict steady-state measurements. Here, commonly employed steady-state and time-resolved techniques are unified over an exceptionally wide temporal range (fs-mu s) in a consistent physical picture. Experimental evidence confirmed by numerical simulations shows that, although various techniques probe different time scales, they are mutually consistent as they probe the same physical mechanisms governing charge motion in disordered media-carrier hopping and thermalization in a disorder-broadened density of states (DOS). The generality of this framework is highlighted by time-resolved experimental data obtained on polymer:fullerene, polymer:polymer, and small-molecule blends with varying morphology, including recent experiments revealing that low donor content OPV devices operate by long-range hole tunneling between non-nearest-neighbor molecules. The importance of nonequilibrium processes in organic electronic materials is reviewed, with a particular focus on experimental data and understanding charge transport physics in terms of material DOS.

Ort, förlag, år, upplaga, sidor
WILEY-V C H VERLAG GMBH , 2019. Vol. 31, nr 22, artikel-id 1806004
Nyckelord [en]
charge carrier mobility; kinetic Monte Carlo simulations; nonequilibrium phenomena; organic solar cells; thermalization
Nationell ämneskategori
Den kondenserade materiens fysik
Identifikatorer
URN: urn:nbn:se:liu:diva-159288DOI: 10.1002/adma.201806004ISI: 000475696300003PubMedID: 30719756OAI: oai:DiVA.org:liu-159288DiVA, id: diva2:1341118
Anmärkning

Funding Agencies|Knut and Alice Wallenberg Foundation [KAW 2016.0494]

Tillgänglig från: 2019-08-07 Skapad: 2019-08-07 Senast uppdaterad: 2019-11-25

Open Access i DiVA

fulltext(3861 kB)475 nedladdningar
Filinformation
Filnamn FULLTEXT01.pdfFilstorlek 3861 kBChecksumma SHA-512
f4254805b68339ac656d588548e70e35fa95e104afa53885f089a5842dcca7bba53e24630f0bd0a757320b17fbfc4b30a6aaaf8666c6d1365ae35de34814badd
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
Advanced Materials
Den kondenserade materiens fysik

Sök vidare utanför DiVA

GoogleGoogle Scholar
Totalt: 477 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: 148 träffar
RefereraExporteraLänk till posten
Permanent länk

Direktlänk
Referera
Referensformat
  • apa
  • 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