Abstract
Energy derived from fossils is diminishing and cannot be renewed. Therefore many experts are looking for other alternatives to create new renewable energy, and Dye-sensitized solar cells (DSSC) are one of them. This study aims to know the characterization of the electrical properties of dye cosmos caudatus material. The research was conducted at the UNS FMIPA Materials Laboratory. This research uses the TiO2 deposition method with the spin coating technique. Absorbance test using PC UV Visible Spectrophotometer 1601 and Current and voltage test (I-V) using Keithley. The efficiency produced by the Cosmos caudatus chlorophyll dye was 8.3 × 10−3 %. These results show that some natural dyes from natural organic material extraction have an absorbance spectrum range of 300-800 nm, which has the potential as DSSC.
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