Twenty natural dyes, extracted from natural materials such as flowers, leaves, fruits, traditional Chinese
medicines, and beverages, were used as sensitizers to fabricate dye-sensitized solar cells (DSCs). The photoelectrochemical
performance of the DSCs based on these dyes showed that the open circuit voltages
(Voc) varied from 0.337 to 0.689 V, and the short circuit photocurrent densities (Jsc) ranged from 0.14
to 2.69mAcm−2. Specifically, a high Voc of 0.686V was obtained from the dye extracted from mangosteen
pericarp sensitizer. The photo-to-electric conversion efficiency of the DSC sensitized by the ethanol
extract of mangosteen pericarp without purification reached 1.17%. Moreover, various components of the
ethanol extract were extracted using different organic solvents. The photoelectrochemical performance
of these extracts demonstrated that rutin was the most effectual component of the sensitizer for DSC.