Structure-property relationship of different electron donors: Novel organic sensitizers based on fused dithienothiophene π-conjugated linker for high efficiency dye-sensitized solar cells

Md. Akhtaruzzaman, Menggenbateer, Ashraful Islam, Ahmed El-Shafei, Naoki Asao, Tienan Jin, Liyuan Han, Khalid A. Alamry, Samia A. Kosa, Abdullah Mohamed Asiri, Yoshinori Yamamoto

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

Three novel organic dyes, coded Ba-01-03, based on D-π-A building blocks were synthesized and characterized for dye-sensitized solar cells (DSCs) to study the influence of different electron donors on photocurrent and photovoltage. The electron donor of Ba-01 was based on N-methoxyphenylcarbazole and the electron donors for Ba-02 and Ba-03 were based on different indoline analogs. The photovoltaic performance of these sensitizers was characterized using incident-photon-to-current conversion efficiency (IPCE), photovoltage measurements, and total solar-to-electric conversion efficiency (η). It was shown that photovoltage of indoline donor based dye Ba-03 showed the highest efficiency of 6.38% compared to carbazole donor based dye of Ba-01. DFT calculations were proven to be an effective tool in the prediction of the vertical electronic excitation, charge separation, and photovoltage as it effectively predicted the delocalization and coefficient size of the HOMO and LUMO for Ba-01-03.

Original languageEnglish
Pages (from-to)3444-3450
Number of pages7
JournalTetrahedron
Volume69
Issue number16
DOIs
Publication statusPublished - 22 Apr 2013

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Coloring Agents
Electrons
Conversion efficiency
Photocurrents
Discrete Fourier transforms
Photons
Dye-sensitized solar cells
indoline
carbazole

Keywords

  • Dithienothiophene
  • Dye-sensitized solar cells
  • IPCE (incident-photon-to-current conversion efficiency)
  • Organic dye
  • Photovoltaic performance

ASJC Scopus subject areas

  • Biochemistry
  • Organic Chemistry
  • Drug Discovery

Cite this

Structure-property relationship of different electron donors : Novel organic sensitizers based on fused dithienothiophene π-conjugated linker for high efficiency dye-sensitized solar cells. / Akhtaruzzaman, Md.; Menggenbateer; Islam, Ashraful; El-Shafei, Ahmed; Asao, Naoki; Jin, Tienan; Han, Liyuan; Alamry, Khalid A.; Kosa, Samia A.; Asiri, Abdullah Mohamed; Yamamoto, Yoshinori.

In: Tetrahedron, Vol. 69, No. 16, 22.04.2013, p. 3444-3450.

Research output: Contribution to journalArticle

Akhtaruzzaman, Md. ; Menggenbateer ; Islam, Ashraful ; El-Shafei, Ahmed ; Asao, Naoki ; Jin, Tienan ; Han, Liyuan ; Alamry, Khalid A. ; Kosa, Samia A. ; Asiri, Abdullah Mohamed ; Yamamoto, Yoshinori. / Structure-property relationship of different electron donors : Novel organic sensitizers based on fused dithienothiophene π-conjugated linker for high efficiency dye-sensitized solar cells. In: Tetrahedron. 2013 ; Vol. 69, No. 16. pp. 3444-3450.
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abstract = "Three novel organic dyes, coded Ba-01-03, based on D-π-A building blocks were synthesized and characterized for dye-sensitized solar cells (DSCs) to study the influence of different electron donors on photocurrent and photovoltage. The electron donor of Ba-01 was based on N-methoxyphenylcarbazole and the electron donors for Ba-02 and Ba-03 were based on different indoline analogs. The photovoltaic performance of these sensitizers was characterized using incident-photon-to-current conversion efficiency (IPCE), photovoltage measurements, and total solar-to-electric conversion efficiency (η). It was shown that photovoltage of indoline donor based dye Ba-03 showed the highest efficiency of 6.38{\%} compared to carbazole donor based dye of Ba-01. DFT calculations were proven to be an effective tool in the prediction of the vertical electronic excitation, charge separation, and photovoltage as it effectively predicted the delocalization and coefficient size of the HOMO and LUMO for Ba-01-03.",
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