Silicon-Naphthalo/Phthalocyanine-Hybrid Sensitizer for Efficient Red Response in Dye-Sensitized Solar Cells
Organic Letters2013Vol. 15(4), pp. 784–787
Citations Over TimeTop 10% of 2013 papers
Bogyu Lim, George Y. Margulis, Jun‐Ho Yum, Eva Unger, Brian E. Hardin, Michaël Grätzel, Michael D. McGehee, Alan Sellinger
Abstract
Introduction of a naphthalocyanine moiety to phthalocyanine allows for a gradual red shift of the absorption spectrum in the resulting chromophore. Using silicon as a core atom allows for the introduction of additional siloxane side chains which mitigate dye aggregation. A dye-sensitized solar cell with this hybrid sensitizer exhibits a broad and flat IPCE of 80% between 600 and 750 nm and high photocurrent densities of 19.0 mA/cm(2).
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