Iron disulfide for solar energy conversion

A. Ennaoui, S. Fiechter, Ch Pettenkofer, N. Alonso-Vante, K. Büker, M. Bronold, Ch Höpfner, H. Tributsch

Research output: Contribution to journalArticle

477 Citations (Scopus)

Abstract

Pyrite (Eg=0.95 eV) is being developed as a solar energy material due to its environmental compatibility and its very high light absorption coefficient. A compilationof material, electronic and interfacial chemical properties is presented, which is considered relevant for quantum energy conversion. In spite of intricate problems existing within material chemistry, high quantum efficiencies for photocurrent generation (>90%) and high photovoltages (≈500 mV) have been observed with single crystal electrodes and thin layers respectively. The most interesting aspect of this study is the use of pyrite as an ultrathin (10-20 nm) layer sandwiched between large gap p-type and n-type materials in a p-i-n like structure. Such a system, in which the pyrite layer only acts as photon absorber and mediates injection of excited electrons can be defined as sensitization solar cell. The peculiar electron transfer properties of pyrite interfaces, facilitating interfacial coordination chemical pathways, may turn out to be very helpful. Significant research challenges are discussed in the hope of attracting interest in the development of solar cells from this abundant material.

Original languageEnglish
Pages (from-to)289-370
Number of pages82
JournalSolar Energy Materials and Solar Cells
Volume29
Issue number4
DOIs
Publication statusPublished - 1993
Externally publishedYes

Fingerprint

Energy conversion
Solar energy
Pyrites
Iron
Solar cells
Electrons
Photocurrents
Quantum efficiency
Light absorption
Chemical properties
Photons
pyrite
Single crystals
Electrodes

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Electronic, Optical and Magnetic Materials
  • Surfaces, Coatings and Films
  • Engineering(all)

Cite this

Ennaoui, A., Fiechter, S., Pettenkofer, C., Alonso-Vante, N., Büker, K., Bronold, M., ... Tributsch, H. (1993). Iron disulfide for solar energy conversion. Solar Energy Materials and Solar Cells, 29(4), 289-370. https://doi.org/10.1016/0927-0248(93)90095-K

Iron disulfide for solar energy conversion. / Ennaoui, A.; Fiechter, S.; Pettenkofer, Ch; Alonso-Vante, N.; Büker, K.; Bronold, M.; Höpfner, Ch; Tributsch, H.

In: Solar Energy Materials and Solar Cells, Vol. 29, No. 4, 1993, p. 289-370.

Research output: Contribution to journalArticle

Ennaoui, A, Fiechter, S, Pettenkofer, C, Alonso-Vante, N, Büker, K, Bronold, M, Höpfner, C & Tributsch, H 1993, 'Iron disulfide for solar energy conversion', Solar Energy Materials and Solar Cells, vol. 29, no. 4, pp. 289-370. https://doi.org/10.1016/0927-0248(93)90095-K
Ennaoui A, Fiechter S, Pettenkofer C, Alonso-Vante N, Büker K, Bronold M et al. Iron disulfide for solar energy conversion. Solar Energy Materials and Solar Cells. 1993;29(4):289-370. https://doi.org/10.1016/0927-0248(93)90095-K
Ennaoui, A. ; Fiechter, S. ; Pettenkofer, Ch ; Alonso-Vante, N. ; Büker, K. ; Bronold, M. ; Höpfner, Ch ; Tributsch, H. / Iron disulfide for solar energy conversion. In: Solar Energy Materials and Solar Cells. 1993 ; Vol. 29, No. 4. pp. 289-370.
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AU - Höpfner, Ch

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