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Royal Society of Chemistry, RSC Advances, 11(6), p. 9132-9138

DOI: 10.1039/c5ra21565j

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An investigation of the role increasing π-conjugation has on the efficiency of dye-sensitized solar cells fabricated from ferrocene-based dyes

Journal article published in 2016 by Michele Cariello, Sungwoo Ahn, Kwang-Won Park, Suk-Kyu Chang, Jongin Hong, Graeme Cooke ORCID
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

In this article, we report the synthesis of new ferrocene incorporating dyes and their evaluation as sensitizers for dye-sensitized solar cells. We have shown that the sequential addition of alkyne units as π-spacers plays an important role in modulating their solution optical and redox properties. Likewise, the most extensively conjugated dye (Fc-D3) provided the highest power conversion efficiency (η) compared to the other less-conjugated dyes in the series. We have also demonstrated that the choice of electrolyte is important in determining η for this series of dyes.