ExTTF-Based Dyes Absorbing over the Whole Visible Spectrum
Author(s) -
PierreAntoine Bouit,
Carmen Villegas,
Juan Luis Delgado,
Pedro M. Viruela,
Rosendo PouAmérigo,
Enrique Ortı́,
Nazario Martı́n
Publication year - 2011
Publication title -
organic letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.94
H-Index - 239
eISSN - 1523-7060
pISSN - 1523-7052
DOI - 10.1021/ol102845m
Subject(s) - tetrathiafulvalene , chemistry , visible spectrum , acceptor , photochemistry , optoelectronics , absorption (acoustics) , absorption spectroscopy , electrochemistry , infrared , photovoltaic system , nanotechnology , molecule , optics , electrode , organic chemistry , materials science , physics , ecology , biology , condensed matter physics
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.
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