FOTOSENSITIZER ZAT WARNA JANTUNG PISANG BATU (Musa x Paradisiaca L.) PADA SEL SURYA TERSENSITISASI ZAT WARNA

ATIKA, PUTRI UTAMI (2015) FOTOSENSITIZER ZAT WARNA JANTUNG PISANG BATU (Musa x Paradisiaca L.) PADA SEL SURYA TERSENSITISASI ZAT WARNA. Diploma thesis, UNIVERSITAS ANDALAS.

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Abstract

It has been conducted a research on natural dye extracts from the male flower of cured banana (Musa x paradisiaca L.) as a photosensitizer in the dyesensitized solar cells (DSSC). The solar cell is made with components consisting of working electrode ZnO, counter electrode graphite and electrolyte solution I - /I 3 - . Male flower of cured banana extract obtained from this experiment were analyzed by UV-Vis showed that the dye contained therein absorb in the range of 200-700 nm where maximum wavelength at 529 nm. Parameters of the DSSC such as voltage, electric current, and power based on soaking time (5,10,15 and 20 minutes) were measured. It was found that the soaking time of 20 minutes was the optimum condition gave voltage of 349 mV, the current of 0.021 mA, and power of 7.329 mW. In the current vs. voltage graph for the entire investigated soaking time it was found that a short circuit current is generated within the range of 0.0025 to 0.02 mA whereas for open circuit range is from 155-332 mV. Furthermore, where the DSSC was soaked in 5 minutes it gave the higher number of fill factor (FF) but the highest efficiency was observed from the one which was soaked in 20 minutes.

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