The Influence of Driving Force on Formation and Geminate Recombination of Charges in Alternating Polyfluorene Copolymer/Fullerene Blends

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Sammanfattning

Conjugated polymer/fullerene-based solar cells are, due to their potential flexibility, cost efficiency and low weight, interesting as future alternatives to today’s silicon cells [1]. In these cells, both the dissociation of the polymer exciton into extractable charges, i.e. charges that are free and mobile, and the recombination of the free charges are expected to be crucial in order to obtain high light-to-charge conversion efficiencies. The exciton dissociation is believed to strongly depend upon the driving force [2] while the driving force dependence of the recombination has not been thoroughly investigated. Therefore, we have studied the charge formation and recombination in blends of alternating polyfluorene copolymers (APFO polymers) and PCBM with different driving force. By varying the polymer in the blends, a driving force range of 0.05–0.77 eV has been covered.
Originalspråkengelska
Titel på värdpublikationBiophotonics: Spectroscopy, Imaging, Sensing, and Manipulation
FörlagSpringer
Sidor411-412
ISBN (tryckt)978-90-481-9976-1
DOI
StatusPublished - 2011
EvenemangConference on the NATO Advanced Study Institute on Bio-Photonics: Spectroscopy, Imaging, Sensing, and Manipulation - Erice, ITALY
Varaktighet: 2009 juli 22009 juli 17

Publikationsserier

Namn
ISSN (tryckt)1871-465X

Konferens

KonferensConference on the NATO Advanced Study Institute on Bio-Photonics: Spectroscopy, Imaging, Sensing, and Manipulation
Period2009/07/022009/07/17

Bibliografisk information

The information about affiliations in this record was updated in December 2015.
The record was previously connected to the following departments: Chemical Physics (S) (011001060)

Ämnesklassifikation (UKÄ)

  • Atom- och molekylfysik och optik

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