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Chem Commun (Camb). 2016 Jan 14;52(4):745-8. doi: 10.1039/c5cc05889a.

Substituted ferrocenes and iodine as synergistic thermoelectrochemical heat harvesting redox couples in ionic liquids.

Chemical communications (Cambridge, England)

E H B Anari, M Romano, W X Teh, J J Black, E Jiang, J Chen, T Q To, J Panchompoo, L Aldous

Affiliations

  1. School of Chemistry, UNSW Australia, Sydney, NSW 2052, Australia. [email protected].
  2. Intelligent Polymer Research Institute, Innovation Campus, University of Wollongong, Wollongong, NSW 2522, Australia.

PMID: 26563939 DOI: 10.1039/c5cc05889a

Abstract

Combining ferrocene and iodine results in enhanced thermoelectrochemical (or thermogalvanic) waste heat harvesting abilities, for both the Seebeck coefficient and the overall power output. All systems displayed a mixture of ferrocene, ferrocenium, iodine and triiodide. The observed enhancement correlates with lower electron-density on the ferrocene; the synergistic improvement observed for mixtures of substituted ferrocenes and iodine is attributed to the formation of charge-transfer complexes. Combining dibutanoylferrocene and iodine resulted in the highest Seebeck coefficient of 1.67 mV K(-1).

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