Ruthenium(II) sensitizers with heteroleptic tridentate chelates for dye-sensitized solar cells

Chun-Cheng Chou, Kuan-Lin Wu, Yun Chi*, Wei-Ping Hu, Shuchun Joyce Yu, Gene-Hsiang Lee, Chi-Li Lin, Pi-Tai Chou

*Corresponding author for this work

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

206 Citations (Scopus)

Abstract

Two new for Ru: Unprecedented RuII sensitizers are coordinated by two tridentate ligands, a tricarboxyterpyridine, and a dianionic bis(pyrazolyl)pyridine derivative with an extended π-conjugated auxochrome (see picture, Rumagenta, Nblue, Ored, Fgreen, Syellow, Cgray). This new generation of thiocyanate-free RuII sensitizers offers solar conversion efficiency in dye-sensitized solar cells up to η=10.7 %.  
Original languageEnglish
Pages (from-to)2054-2058
JournalAngewandte Chemie - International Edition
Volume50
Issue number9
Online published26 Jan 2011
DOIs
Publication statusPublished - 25 Feb 2011
Externally publishedYes

Research Keywords

  • N ligands
  • pyrazole
  • ruthenium
  • sensitizers
  • thiophene

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