Benzoporphyrins: Selective Co-sensitization in Dye-Sensitized Solar Cells

Fabian Lodermeyer, Rubén D. Costa, Jenny Malig, Norbert Jux, Dirk M. Guldi

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

A novel class of dyes, namely benzoporphyrins, was synthesized and implemented into dye-sensitized solar cells. They feature complementary absorptions compared to N719, which renders them promising candidates for co-sensitization in DSSCs. Notably, metallated benzoporphyrins reveal a TiO2-nanoparticle attachment that is size and aggregation dependent. Therefore, unproductive energy-transfer events between the selectively attached dyes can be prevented. In light of the latter, an efficiency improvement of 39 % has been achieved upon selective adsorption of benzoporphyrins and N719 onto different layers of TiO2 photoelectrode.

Original languageEnglish
Pages (from-to)7851-7855
Number of pages5
JournalChemistry - A European Journal
Volume22
Issue number23
DOIs
Publication statusPublished - 2016 Jun 1
Externally publishedYes

Keywords

  • benzoporphyrins
  • donor-acceptor systems
  • dye-sensitized solar cells
  • electron transfer
  • selective co-sensitization

ASJC Scopus subject areas

  • Catalysis
  • Organic Chemistry

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