Direct Observation of Sub-100 fs Mobile Charge Generation in a Polymer-Fullerene Film

Publication: Research - peer-reviewJournal article – Annual report year: 2012

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Direct Observation of Sub-100 fs Mobile Charge Generation in a Polymer-Fullerene Film. / Cooke, D. G.; Krebs, Frederik C; Jepsen, Peter Uhd.

In: Physical Review Letters, Vol. 108, No. 5, 2012, p. 056603.

Publication: Research - peer-reviewJournal article – Annual report year: 2012

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Author

Cooke, D. G.; Krebs, Frederik C; Jepsen, Peter Uhd / Direct Observation of Sub-100 fs Mobile Charge Generation in a Polymer-Fullerene Film.

In: Physical Review Letters, Vol. 108, No. 5, 2012, p. 056603.

Publication: Research - peer-reviewJournal article – Annual report year: 2012

Bibtex

@article{e6c51252af9840c4a44240064c91fc7f,
title = "Direct Observation of Sub-100 fs Mobile Charge Generation in a Polymer-Fullerene Film",
publisher = "American Physical Society",
author = "Cooke, {D. G.} and Krebs, {Frederik C} and Jepsen, {Peter Uhd}",
note = "Copyright (2012) American Physical Society.",
year = "2012",
doi = "10.1103/PhysRevLett.108.056603",
volume = "108",
number = "5",
pages = "056603",
journal = "Physical Review Letters",
issn = "0031-9007",

}

RIS

TY - JOUR

T1 - Direct Observation of Sub-100 fs Mobile Charge Generation in a Polymer-Fullerene Film

A1 - Cooke,D. G.

A1 - Krebs,Frederik C

A1 - Jepsen,Peter Uhd

AU - Cooke,D. G.

AU - Krebs,Frederik C

AU - Jepsen,Peter Uhd

PB - American Physical Society

PY - 2012

Y1 - 2012

N2 - The formation of mobile charges in a roll-to-roll processed poly-3-hexylthiophene-fullerene bulk heterojunction film is observed directly by using transient terahertz spectroscopy with sub-100 fs temporal resolution. The transient terahertz ac conductivity reveals that 20% of the incident pump photons are converted into highly delocalized charges within the 40 fs, 3.1 eV pump pulse duration, which then rapidly becomes localized within 120 fs. Approximately 2/3 of these carriers subsequently decay, possibly into an exciton, on a 1 ps time scale.

AB - The formation of mobile charges in a roll-to-roll processed poly-3-hexylthiophene-fullerene bulk heterojunction film is observed directly by using transient terahertz spectroscopy with sub-100 fs temporal resolution. The transient terahertz ac conductivity reveals that 20% of the incident pump photons are converted into highly delocalized charges within the 40 fs, 3.1 eV pump pulse duration, which then rapidly becomes localized within 120 fs. Approximately 2/3 of these carriers subsequently decay, possibly into an exciton, on a 1 ps time scale.

U2 - 10.1103/PhysRevLett.108.056603

DO - 10.1103/PhysRevLett.108.056603

JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 5

VL - 108

SP - 056603

ER -