Conversion of Anthocyanin From Dragon Fruit (Hylocereus Costaricencis) To Metal Complexes: Prospects For Sensitizer In Solar Cells
Journal Title: IOSR Journal of Applied Chemistry (IOSR-JAC) - Year 2018, Vol 11, Issue 6
Abstract
The anthocyanin from nature compounds containing colour or chromophore groups biochemically and effectively absorbs sunlight in the visible spectrum because it has more than one benzene ring with a conjugated double bond. Super dragon fruit (Hylocereus costaricencis) is one of the plants with the highest anthocyanin content with 1.1 mg / 100 mL of anthocyanin solution. In this research, 400 gr of dragon fruit skin extracted with 300 mL CH3OH for 24 hours in dark room at room temperature. And followed by liquid-liquid extraction using n-hexane and ethyl acetate. Each of 50 mL filtrate from extraction was synthesized with 0,5 gr FeCl3.6H2O, and 0,5 gr CoCl2.6H2O for 5 hours and get well mixture, then identified using UV-Vis Spectrophotometer and FTIR. Spectra data’s show the different profile before and after conversion, further characterization to determine the energy gab (Eg) and stability of the compound compared to natural sensitizers and others. The Eg found from synthesized FeCl3.6H2O is 0.33 eV and synthesized CoCl2.6H2O 0.185 eV. The energy gab identification and analyzation from metal complexes give much better performance photoelectric conversion than using natural photosensitizers.
Authors and Affiliations
Veni Rori Setiawati, Agus Abhi Purwoko, Saprizal Hadisaputra
Keywords
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- EP ID EP414079
- DOI 10.9790/5736-1106015258.
- Views 144
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