What is the science behind the de-aggregation of organic dye using deoxycholic acid (DCA)?

02 December 2015 1 329 Report

How does the DCA works to lessen the aggregation of organic and other dyes to be used in a dye sensitized solar cell. I want to understand its effect on the dye or interaction with the dye to decrease the aggregation

Sreenivasarao Vepachedu

Deoxycholic acid acts as a detergent and solubilizes fats. DCA acts as a coadsorbant reducing the dye aggregation. The coadsorption of DCA suppresses charge recombination.

Reference: Sharma et al., Effect of Deoxycholic Acid on the Performance of Liquid Electrolyte Dye-Sensitized Solar Cells Using a Perylene Monoimide Derivative, International Journal of Photoenergy Volume 2012 (2012),

http://www.hindawi.com/journals/ijp/2012/983081/

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