Compounds for electrochemical and/or optoelectronic devices having peri-fused ring system
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United States of America Patent
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Apr 26, 2016
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Aug 28, 2014
app pub date -
Oct 18, 2011
filing date -
Oct 18, 2011
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Abstract
The invention relates to substituted ullazine and analogs of ullazine as sensitizers for dye-sensitized solar cells (DSSCs) and other photoelectrochemical and/or optoelectronic devices. The sensitizers may comprise donor substituents and/or acceptor substituents, besides an anchoring group suitable for attaching the sensitizer on a semiconductor surface. DSSCs based on this type of sensitizers exhibit high power conversion efficiencies.
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