High-Efficiency Dye-Sensitized Solar Cell with Three-Dimensional Photoanode

Nicolas Tétreault, Éric Arsenault, Leo-Philipp Heiniger, Navid Soheilnia, Jérémie Brillet, Thomas Moehl, Shaik Zakeeruddin, Geoffrey A. Ozin, Michael Grätzel

Research output: Contribution to journalArticlepeer-review

126 Scopus citations

Abstract

Herein, we present a straightforward bottom-up synthesis of a high electron mobility and highly light scattering macroporous photoanode for dye-sensitized solar cells. The dense three-dimensional Al/ZnO, SnO2, or TiO 2 host integrates a conformal passivation thin film to reduce recombination and a large surface-area mesoporous anatase guest for high dye loading. This novel photoanode is designed to improve the charge extraction resulting in higher fill factor and photovoltage for DSCs. An increase in photovoltage of up to 110 mV over state-of-the-art DSC is demonstrated. © 2011 American Chemical Society.
Original languageEnglish (US)
Pages (from-to)4579-4584
Number of pages6
JournalNano Letters
Volume11
Issue number11
DOIs
StatePublished - Nov 9 2011
Externally publishedYes

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