Acetylacetone anchoring group for NiO-based dye-sensitized solar cell

Julien Warnan, Yann Pellegrin, Errol Blart, Lei Zhang, Allison Brown, Leif Hammarström, Denis Jacquemin, Fabrice Odobel

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

In this article, the viability of the first push-pull (nitrophenyl and hexyl-thiophene as acceptor and donor unit respectively) sensitizer functionalized with acetylacetone (acac) anchoring group was assessed for application in p-type dye sensitized solar cells (NiO-based). An effective synthetic strategy to introduce the acac directly to an aryl moiety was developed. Then, the UV-visible absorption, emission and electrochemical properties of this new sensitizer were determined. FT-IR spectroscopy revealed an effective binding of the acac group to NiO surface while time-dependent density functional theory (TD-DFT) calculations predicted a strong charge-transfer transition with no component of the LUMO centred on the acac. Ultrafast hole injection (

Original languageEnglish
Pages (from-to)174-179
Number of pages6
JournalDyes and Pigments
Volume105
DOIs
Publication statusPublished - Jun 2014

Fingerprint

Thiophene
Electrochemical properties
Density functional theory
Charge transfer
Infrared spectroscopy
Thiophenes
Dye-sensitized solar cells
acetylacetone

Keywords

  • p-Type semiconductor
  • Photoelectrochemistry
  • Photoinduced hole injection
  • Photovoltaic
  • Surface coating
  • Time dependent density functional theory

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Process Chemistry and Technology

Cite this

Warnan, J., Pellegrin, Y., Blart, E., Zhang, L., Brown, A., Hammarström, L., ... Odobel, F. (2014). Acetylacetone anchoring group for NiO-based dye-sensitized solar cell. Dyes and Pigments, 105, 174-179. https://doi.org/10.1016/j.dyepig.2014.01.026

Acetylacetone anchoring group for NiO-based dye-sensitized solar cell. / Warnan, Julien; Pellegrin, Yann; Blart, Errol; Zhang, Lei; Brown, Allison; Hammarström, Leif; Jacquemin, Denis; Odobel, Fabrice.

In: Dyes and Pigments, Vol. 105, 06.2014, p. 174-179.

Research output: Contribution to journalArticle

Warnan, J, Pellegrin, Y, Blart, E, Zhang, L, Brown, A, Hammarström, L, Jacquemin, D & Odobel, F 2014, 'Acetylacetone anchoring group for NiO-based dye-sensitized solar cell', Dyes and Pigments, vol. 105, pp. 174-179. https://doi.org/10.1016/j.dyepig.2014.01.026
Warnan, Julien ; Pellegrin, Yann ; Blart, Errol ; Zhang, Lei ; Brown, Allison ; Hammarström, Leif ; Jacquemin, Denis ; Odobel, Fabrice. / Acetylacetone anchoring group for NiO-based dye-sensitized solar cell. In: Dyes and Pigments. 2014 ; Vol. 105. pp. 174-179.
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