D-π-M-π-A structured platinum acetylide sensitizer for dye-sensitized solar cells

  • Wenjun Wu
  • , Xingdong Xu
  • , Haibo Yang*
  • , Jianli Hua
  • , Xiaoyu Zhang
  • , Lei Zhang
  • , Yitao Long
  • , He Tian
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

83 Scopus citations

Abstract

A new platinum acetylide complex, (3-(4-(diphenylamino)phenylethynyl))(3- (4-(2-carboxyl-2-cyanovinyl)phenylethynyl))(bis(triethylphosphine))platinum (Pts), has been designed and synthesized as a sensitizer for application in dye-sensitized solar cells (DSSCs). The absorption spectra, electrochemistry, impedance spectroscopy and photovoltaic properties of this platinum acetylide complex have been extensively investigated. For the best DSSC, the overall solar-to-electric conversion efficiency of 3.28% was achieved with a short-circuit photocurrent density (Jsc) of 6.77 mA cm-2 and the open-circuit photovoltage (Voc) of 0.70 V(fill factor ff = 0.69).

Original languageEnglish
Pages (from-to)10666-10671
Number of pages6
JournalJournal of Materials Chemistry
Volume21
Issue number29
DOIs
StatePublished - 7 Aug 2011

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