Enhanced charge collection in dye-sensitized solar cells utilizing collectore-shell electrodes

Manda Xiao, Fuzhi Huang, Wanchun Xiang, Yibing Cheng, Leone Spiccia

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3 Citations (Scopus)


(Graph Presented) Nanostructured porous tin-doped indium oxide (ITO) films were prepared by screen printing of an ITO nanoparticle paste onto conducting fluorine-doped tin oxide (FTO) substrates. The ITO films were subsequently coated with thin layers of TiO2 by the hydrolysis of TiCl4 to form the collector-shell photoelectrodes. The morphology of films was analysed by scanning electron microscope (SEM). It was found that a uniform coating of TiO2 was achieved when three or more deposition cycles were applied. Dyesensitized solar cells were constructed with the collector-shell photoelectrodes using an electrolyte containing the [Co(bpy)3]2+/3+ (bpy = 2,2′-bipyridine) redox couple and MK-2, an organic sensitizer and efficiencies of 3.3% achieved. Charge transport in cells utilizing the collector-shell electrodes was found to be 2-6 times faster than those utilizing P25-based TiO2 electrodes
Original languageEnglish
Pages (from-to)343-349
Number of pages7
JournalJournal of Power Sources
Publication statusPublished - 2015


  • Dye sensitized solar cells
  • Nanostructured indium tin oxide
  • Titania thin films
  • Coreeshell electrodes
  • Cobalt redox couples
  • Organic electrolytes

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