Synthesis and photovoltaic properties of new Ru(II) complexes for dye-sensitized solar cells


DAYAN O. , Özdemir N., Yakuphanoğlu F., Şerbetci Z., BİLİCİ A. , Çetinkaya B., ...Daha Fazla

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS, cilt.29, ss.11045-11058, 2018 (SCI İndekslerine Giren Dergi) identifier identifier

  • Cilt numarası: 29 Konu: 13
  • Basım Tarihi: 2018
  • Doi Numarası: 10.1007/s10854-018-9187-9
  • Dergi Adı: JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
  • Sayfa Sayıları: ss.11045-11058

Özet

Two groups Ru(II) complexes, (1A-C and 2A) (A-C = 2,6-bis(2-benzimidazolyl)pyridines, bbpy, with various substituents at 2-, 5-, and 6-positions) have been prepared and applied for dye-sensitized solar cells (DSSC). The compounds were characterized by various techniques. The optical and electrical properties of sensitizers were investigated with UV-Vis absorption spectroscopy and cyclic voltammetry. High power conversion efficiencies up to 5.16%, have been achieved with 2Ae. Current-voltage characteristics of DSSCs clearly affected by the changing of the ligands at sensitizers. Additionally, computational studies show that locations of frontier molecular orbitals are significantly important for power-conversion efficiencies in DSSCs.