Facile infiltration of semiconducting polymer into mesoporous electrodes for hybrid solar cells

Agnese Abrusci, I. Kang Ding, Mohammed Al-Hashimi, Tamar Segal-Peretz, Michael D. McGehee, Martin Heeney, Gitti L. Frey, Henry J. Snaith

Research output: Contribution to journalArticle

62 Citations (Scopus)

Abstract

Hybrid composites of semiconducting polymers and metal oxides are promising combinations for solar cells. However, forming a well-controlled nanostructure with bicontinuous interpenetrating networks throughout the photoactive film is difficult to achieve. Pre-structured "mesoporous" metal oxide electrodes can act as a well-defined template for latter polymer infiltration. However, the long range infiltration of polymer chains into contorted porous channels has appeared to elude the scientific community, limiting the advancement of this technology. Here we present a structural and electronic characterisation of poly(3-hexylthiophene) (P3HT) infiltrated into mesoporous dye-sensitized TiO 2. Through a combination of techniques we achieve uniform pore filling of P3HT up to depths of over 4 μm, but the volumetric fraction of the pores filled with polymer is less than 24%. Despite this low pore-filling, exceptionally efficient charge collection is demonstrated, illustrating that pore filling is not the critical issue for mesoporous hybrid solar cells.

Original languageEnglish
Pages (from-to)3051-3058
Number of pages8
JournalEnergy and Environmental Science
Volume4
Issue number8
DOIs
Publication statusPublished - 1 Aug 2011
Externally publishedYes

Fingerprint

Semiconducting polymers
Infiltration
Solar cells
Polymers
electrode
infiltration
polymer
Oxides
Electrodes
Metals
Interpenetrating polymer networks
Nanostructures
Coloring Agents
Dyes
dye
Composite materials
solar cell
poly(3-hexylthiophene)
metal oxide

ASJC Scopus subject areas

  • Environmental Chemistry
  • Renewable Energy, Sustainability and the Environment
  • Nuclear Energy and Engineering
  • Pollution

Cite this

Abrusci, A., Ding, I. K., Al-Hashimi, M., Segal-Peretz, T., McGehee, M. D., Heeney, M., ... Snaith, H. J. (2011). Facile infiltration of semiconducting polymer into mesoporous electrodes for hybrid solar cells. Energy and Environmental Science, 4(8), 3051-3058. https://doi.org/10.1039/c1ee01135a

Facile infiltration of semiconducting polymer into mesoporous electrodes for hybrid solar cells. / Abrusci, Agnese; Ding, I. Kang; Al-Hashimi, Mohammed; Segal-Peretz, Tamar; McGehee, Michael D.; Heeney, Martin; Frey, Gitti L.; Snaith, Henry J.

In: Energy and Environmental Science, Vol. 4, No. 8, 01.08.2011, p. 3051-3058.

Research output: Contribution to journalArticle

Abrusci, A, Ding, IK, Al-Hashimi, M, Segal-Peretz, T, McGehee, MD, Heeney, M, Frey, GL & Snaith, HJ 2011, 'Facile infiltration of semiconducting polymer into mesoporous electrodes for hybrid solar cells', Energy and Environmental Science, vol. 4, no. 8, pp. 3051-3058. https://doi.org/10.1039/c1ee01135a
Abrusci, Agnese ; Ding, I. Kang ; Al-Hashimi, Mohammed ; Segal-Peretz, Tamar ; McGehee, Michael D. ; Heeney, Martin ; Frey, Gitti L. ; Snaith, Henry J. / Facile infiltration of semiconducting polymer into mesoporous electrodes for hybrid solar cells. In: Energy and Environmental Science. 2011 ; Vol. 4, No. 8. pp. 3051-3058.
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