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ExTTF-Based Dyes Absorbing over the Whole Visible Spectrum

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journal contribution
posted on 2011-02-18, 00:00 authored by Pierre-Antoine Bouit, Carmen Villegas, Juan Luis Delgado, Pedro M. Viruela, Rosendo Pou-Amérigo, Enrique Ortí, Nazario Martín
New push−pull dyes featuring π-extended tetrathiafulvalene (exTTF) as the donor group and tricyanofuran (TCF) as the acceptor group were synthesized and characterized. Their broad absorption covers the entire visible spectral range and enters the near-infrared region. Electrochemistry and theoretical calculations provided an understanding of these singular electronic properties. The new dyes are appealing candidates as light harvesters in photovoltaic devices.