Control of porphyrin dye aggregation using bis(4-pyridyl)alkanes in dye sensitized solar cells

B. Baptayev, A. Rysbekova, D. Kalpakov, A. Aukenova, D. Mustazheb, Z. Salkenova, M. Kazaliyev, Mannix Balanay Padayhag

Research output: Contribution to journalArticle

Abstract

The aggregation of sensitizer molecules on the surface of photoanode is a serious issue that can affect the photovoltaic performance of dye-sensitized solar cells. Prevention of dye agglomeration, therefore, is critical. Traditional methods of aggregation control are either synthetically challenging or technologically difficult and expensive. In this article, the use of bis(4-pyridyl)alkanes to control porphyrin dye aggregation is presented. Three bis(4-pyridyl)alkanes – bis(4-pyridyl)butane L4, bis(4-pyridyl)octane L8 and bis(4-pyridyl)decane L10 were synthesized. These bis(4-pyridyl)alkane ligands are axially attached to the metallic center of synthesized porphyrin dye P. The complexes was obtained by mixing the solutions of dye P and each ligand (L) in 2:1 ratio 1 h before the soaking step. As a result three cells were prepared: P-L4, P-L8 and P-L10. The performance of these cells were compared with a reference cell which was prepared from porphyrin dye P only. IPCE analysis demonstrated the highest dye load in P-L4 cell which was ascribed to lowered dye aggregation. Photovoltaic analysis showed improved short circuit current density due to suppressed dye aggregation caused by the complexation of the porphyrin dye P with the linker L4. As a result the overall cell efficiency increased to 42% demonstrating the successful utilization of the (4-pyridyl) alkane linker complexes with porphyrin dye.

Original languageEnglish
Pages (from-to)63-67
Number of pages5
JournalEurasian Chemico-Technological Journal
Volume21
Issue number1
DOIs
Publication statusPublished - Jan 1 2019

Fingerprint

Alkanes
Porphyrins
porphyrins
Paraffins
alkanes
Coloring Agents
Agglomeration
Dyes
solar cells
dyes
cells
Ligands
Dye-sensitized solar cells
ligands
Butane
soaking
Complexation
octanes
Short circuit currents
short circuit currents

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Control of porphyrin dye aggregation using bis(4-pyridyl)alkanes in dye sensitized solar cells. / Baptayev, B.; Rysbekova, A.; Kalpakov, D.; Aukenova, A.; Mustazheb, D.; Salkenova, Z.; Kazaliyev, M.; Balanay Padayhag, Mannix.

In: Eurasian Chemico-Technological Journal, Vol. 21, No. 1, 01.01.2019, p. 63-67.

Research output: Contribution to journalArticle

Baptayev, B, Rysbekova, A, Kalpakov, D, Aukenova, A, Mustazheb, D, Salkenova, Z, Kazaliyev, M & Balanay Padayhag, M 2019, 'Control of porphyrin dye aggregation using bis(4-pyridyl)alkanes in dye sensitized solar cells', Eurasian Chemico-Technological Journal, vol. 21, no. 1, pp. 63-67. https://doi.org/10.18321/ectj792
Baptayev, B. ; Rysbekova, A. ; Kalpakov, D. ; Aukenova, A. ; Mustazheb, D. ; Salkenova, Z. ; Kazaliyev, M. ; Balanay Padayhag, Mannix. / Control of porphyrin dye aggregation using bis(4-pyridyl)alkanes in dye sensitized solar cells. In: Eurasian Chemico-Technological Journal. 2019 ; Vol. 21, No. 1. pp. 63-67.
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