An Organic "Donor-Free" Dye with Enhanced Open-Circuit Voltage in Solid-State Sensitized Solar Cells

Antonio Abate, Miquel Planells, Derek J. Hollman, Samuel D. Stranks, Annamaria Petrozza, Ajay Ram Srimath Kandada, Yana Vaynzof, Sandeep K. Pathak, Neil Robertson, Henry J. Snaith

Research output: Contribution to journalArticlepeer-review

Abstract

Organic dyes for solid-state sensitized solar cells are commonly prepared by combining an electron-withdrawing group (acceptor, A) on one side of a conjugated π-spacer and one or more electron-donating groups (donor, D) on the other side. Here, it is shown that without an electron donor group a significantly higher open-circuit voltage is achieved, while maintaining the short-circuit current.
Original languageEnglish
Article number1400166
Number of pages7
JournalAdvanced Energy Materials
Volume4
Issue number13
Early online date30 May 2014
DOIs
Publication statusPublished - 16 Sep 2014

Keywords

  • organic dyes
  • solid-state dye-sensitized solar cells
  • electron-withdrawing groups
  • electron-donating groups
  • oligo(3-hexylthiophene)

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