Synthesis of zinc chlorophyll materials for dye-sensitized solar cell applications


Erten-Ela S. , VAKULIUK O., TARNOWSKA A., Ocakoglu K., Gryko D. T.

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY, cilt.135, ss.676-682, 2015 (SCI İndekslerine Giren Dergi) identifier identifier identifier

  • Cilt numarası: 135
  • Basım Tarihi: 2015
  • Doi Numarası: 10.1016/j.saa.2014.07.026
  • Dergi Adı: SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY
  • Sayfa Sayıları: ss.676-682

Özet

To design sensitizers for dye sensitized solar cells (DSSCs), a series of zinc chlorins with different substituents were synthesized. Novel zinc methyl 3-devinyl-3-hydroxymethyl-20-phenylacetylenylpyropheophorbide-a (ZnChl-1), zinc methyl 20-bromo-3-devinyl-3-hydroxymethylpyropheophorbide-a (ZnChl-2), zinc methyl 3-devinyl-3-hydroxymethyl-pyropheophorbide-a (ZnChl-3), zinc propyl 3-devinyl-3-hydroxymethyl-pyropheophorbide-a (ZnChl-4) were synthesized and their photovoltaic performances were evaluated in dye-sensitized solar cells. Photoelectrodes with a 7 mu m thick nanoporous layer and a 5 mu M thick light-scattering layer were used to fabricate dye sensitized solar cells. The best efficiency was obtained with ZnChl-2 sensitizer. ZnChl-2 gave a J(sc) of 3.5 mA/cm(2), V-oc, of 412 mV, FF of 0.56 and an overall conversion efficiency of 0.81 at full sun (1000W m(-2)). (C) 2014 Elsevier B.V. All rights reserved.