Light Harvesting Over Wide Range of Wavelengths by Rainbow Dye-Sensitized Solar Cells
Three natural dyes, i.e., yellow, red, and blue, were extracted from gardenia and used as sensitizers in the assembly of rainbow dye-sensitized solar cells (DSSCs) to harvest light over a wide range of wavelengths. The adsorption characteristics, photovoltaic efficiencies, and electrochemical
properties of the rainbow DSSCs were investigated. Adsorption kinetic data for the dyes were obtained in a small adsorption chamber. The data fitted a pseudo-second-order model. The photovoltaic performance of a photo-electrode with an adsorbed mixture of the three dyes was evaluated from
current–voltage measurements.
Document Type: Research Article
Publication date: 01 February 2016
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