What is it about?

New organic dyes containing fluorene functionalized with two imidazole chromophores as donors and cyanoacrylic acid acceptors have been synthesized and successfully demonstrated as sensitizers in nanocrystalline TiO2-based dye-sensitized solar cells (DSSCs).

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Why is it important?

The additional imidazole present on the fluorene has been found to retard the electron recombination due to the bulkier hydrophobic environment and led to high open-circuit voltage in the devices.

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This page is a summary of: Organic Dyes Containing Fluorene Decorated with Imidazole Units for Dye-Sensitized Solar Cells, The Journal of Organic Chemistry, March 2014, American Chemical Society (ACS),
DOI: 10.1021/jo500330r.
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