Transition metal ferrocenyl dithiocarbamates functionalized dye-sensitized solar cells with hydroxy as an anchoring group

Reena Yadav, Yogesh Waghadkar, Gabriele Kociok-Kohn, Abhinav Kumar, Sunit B. Rane, Ratna Chauhan

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Three new transition-metal dithiocarbamates involving ferrocene (Fc), namely [Co(FcCH2EtOHdtc)3] (Co), [M(FcCH2EtOHdtc)2] M = Ni (Ni), Cu (Cu) (EtOHdtc = N-ethanol dithiocarbamate), have been synthesized and characterized by microanalyses, FTIR, 1H and 13C NMR spectroscopies and single crystal X-ray diffraction technique. The peak broadening in the 1H spectrum of the copper complex indicates the paramagnetic behavior of this compound. The observed single quasi-reversible cyclic voltammograms for the complexes indicate the stabilization of a metal center (except copper) other than Fe in their characteristic oxidation state. These complexes have been used as photo-sensitizer in dye-sensitized solar cells which indicates that Co displays the best photosensitization property with an overall conversion efficiency of 3.25 ± 0.04%. The low cell efficiency of Ni and Cu complexes may be due to slow regeneration of the dye by iodine/iodide redox couple followed by charge injection into TiO2.

Original languageEnglish
Pages (from-to)176-183
Number of pages8
JournalOptical Materials
Volume62
DOIs
Publication statusPublished - 1 Dec 2016

Fingerprint

Transition metals
Copper
solar cells
dyes
transition metals
copper
Charge injection
Microanalysis
Iodides
Iodine
microanalysis
regeneration
iodides
Nuclear magnetic resonance spectroscopy
Conversion efficiency
iodine
Ethanol
ethyl alcohol
Coloring Agents
Dyes

Keywords

  • Dithiocarbamate
  • DSSC
  • Ferrocene
  • TiO

Cite this

Transition metal ferrocenyl dithiocarbamates functionalized dye-sensitized solar cells with hydroxy as an anchoring group. / Yadav, Reena; Waghadkar, Yogesh; Kociok-Kohn, Gabriele; Kumar, Abhinav; Rane, Sunit B.; Chauhan, Ratna.

In: Optical Materials, Vol. 62, 01.12.2016, p. 176-183.

Research output: Contribution to journalArticle

Yadav, Reena ; Waghadkar, Yogesh ; Kociok-Kohn, Gabriele ; Kumar, Abhinav ; Rane, Sunit B. ; Chauhan, Ratna. / Transition metal ferrocenyl dithiocarbamates functionalized dye-sensitized solar cells with hydroxy as an anchoring group. In: Optical Materials. 2016 ; Vol. 62. pp. 176-183.
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