ANALISIS EFEKTIVITAS DSSC (DYE-SENSITIZED SOLAR CELLS) MENGGUNAKAN PEWARNA ALAMI BUAH NAGA DAN BUNGA BUGENVIL SEBAGAI SENSITISATOR
Keywords:
DSSC, Dragon fruit, Bougainvillea flowers, Bougainvillea flowers, Dragon Fruit, DSSCAbstract
Dye-Sensitized Solar Cells (DSSC) is a third generation solar cell technology that utilizes natural dyes as sensitizers to capture sunlight. This research aims to analyze the effectiveness of natural dyes from red dragon fruit (Hylocereus polyrhizus) and bougainvillea flowers (Bougainvillea spectabilis) as sensitizers in making DSSC. The dye was extracted using the maceration method for 24, 36, 48, 56, and 72 hours to study the effect of duration on anthocyanin concentration. The research process involves making TiO2 paste, buffer solution, electrolyte solution, as well as working electrodes and counter electrodes. Dye characterization was carried out using a UV-Vis spectrophotometer to determine the light absorption capability, while DSSC performance was tested using a digital multimeter to evaluate voltage, current and energy conversion efficiency. The results showed that dragon fruit produced higher anthocyanin concentrations and efficiency than bougainvillea flowers at the same maceration duration. DSSC efficiency with dragon fruit reached 0.01305%, while bougainvillea flower reached 0.00637% at a maceration duration of 72 hours.
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