Hybrid polymer solar cells from zinc oxide and poly(3-hexylselenophene)

Stefan D. Oosterhout, Martijn M. Wienk, Mohammed Al-Hashimi, Martin Heeney, Reń A J Janssen

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Regioregular poly(3-hexylselenophene) (P3HS) is used in combination with zinc oxide (ZnO) to make hybrid polymer-metal oxide solar cells with a photoresponse up to 740 nm. Intimately mixed ZnO:P3HS layers were prepared by casting P3HS and diethylzinc as a reactive precursor from a common solvent in a moist atmosphere, followed by conversion to ZnO in the film. Photoinduced absorption spectroscopy was used to identify the electron transfer reaction occurring from P3HS to ZnO under illumination. The performance of ZnO:P3HS solar cells was optimized for composition, layer thickness, and conversion temperature to a final power conversion efficiency of 0.4% in simulated solar light. The performance is primarily limited by a low short-circuit current. By comparing the spectrally resolved external quantum efficiency with the optical absorption, we find that the abundant semicrystalline phase of P3HS gives a negligible contribution to the photocurrent, which is dominated by the scarce amorphous P3HS regions in direct contact with the ZnO.

Original languageEnglish
Pages (from-to)18901-18908
Number of pages8
JournalJournal of Physical Chemistry C
Volume115
Issue number38
DOIs
Publication statusPublished - 29 Sep 2011
Externally publishedYes

Fingerprint

Zinc Oxide
Zinc oxide
zinc oxides
solar cells
polymers
Solar cells
mixed oxides
short circuit currents
Photocurrents
Quantum efficiency
Absorption spectroscopy
Short circuit currents
Oxides
Light absorption
Conversion efficiency
metal oxides
photocurrents
Polymer solar cells
quantum efficiency
Polymers

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Electronic, Optical and Magnetic Materials
  • Surfaces, Coatings and Films
  • Energy(all)

Cite this

Hybrid polymer solar cells from zinc oxide and poly(3-hexylselenophene). / Oosterhout, Stefan D.; Wienk, Martijn M.; Al-Hashimi, Mohammed; Heeney, Martin; Janssen, Reń A J.

In: Journal of Physical Chemistry C, Vol. 115, No. 38, 29.09.2011, p. 18901-18908.

Research output: Contribution to journalArticle

Oosterhout, Stefan D. ; Wienk, Martijn M. ; Al-Hashimi, Mohammed ; Heeney, Martin ; Janssen, Reń A J. / Hybrid polymer solar cells from zinc oxide and poly(3-hexylselenophene). In: Journal of Physical Chemistry C. 2011 ; Vol. 115, No. 38. pp. 18901-18908.
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