Open Access
ARTICLE
Thermally and UV Stable Natural Dyes with Potential Use in Efficient Photoelectrochemical Devices
Mario Alejandro Mejía Escobar*, Franklin Jaramillo*
Centro de Investigación, Innovación y Desarrollo de Materiales – CIDEMAT, Universidad de Antioquia UdeA, Calle 70 No. 52-21,
Medellín, Colombia
* Corresponding Authors: ;
Journal of Renewable Materials 2015, 3(4), 302-317. https://doi.org/10.7569/JRM.2014.634121
Received 12 December 2014; Accepted 10 August 2015;
Abstract
Energy alternatives have been one of the most important research focal areas of the last decade due to the
imminent lack of fossil fuels. This motivation has allowed the evolution of the materials science field in
areas such as electrochemistry, where high availability, low cost and negligible environmental impact are
the desired principal qualities. For this reason, as an example of a photoelectrochemical device, we have
proposed the use of natural dyes from 37 agro-industrial wastes in dye-sensitized solar cells. We obtained
dyes from red cabbage, radish and roselle wastes with a good stability for eight hours with a constant dose of
UV radiation at 60 °C. In these, a strong copigmentation effect was observed at 90 °C in a few hours. Besides
which, an increase in the absorption spectra close to 200% was reached with the media extraction proposed.
Additionally, the fabricated solar devices reached efficiencies between 0.5% and 1.7%.
Keywords
Cite This Article
APA Style
Escobar, M.A.M., Jaramillo, F. (2015). Thermally and UV stable natural dyes with potential use in efficient photoelectrochemical devices. Journal of Renewable Materials, 3(4), 302-317. https://doi.org/10.7569/JRM.2014.634121
Vancouver Style
Escobar MAM, Jaramillo F. Thermally and UV stable natural dyes with potential use in efficient photoelectrochemical devices. J Renew Mater. 2015;3(4):302-317 https://doi.org/10.7569/JRM.2014.634121
IEEE Style
M.A.M. Escobar and F. Jaramillo, "Thermally and UV Stable Natural Dyes with Potential Use in Efficient Photoelectrochemical Devices," J. Renew. Mater., vol. 3, no. 4, pp. 302-317. 2015. https://doi.org/10.7569/JRM.2014.634121