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Abstract
Penelitian tentang potensi daun biduri (Calotropis gigantea) sebagai bahan aktif Dye Sensitized Solar Cell (DSSC) telah dilakukan. Daun biduri diekstrak dengan menggunakan metode meserasi dengan pelarut aseton 80%. Absorbansi hasil ektrak (larutan) kemudian diukur dengan menggunakan spektrofotometri UV-Vis, dan kadar klorofilnya dihitung dengan metode Arnon. Adapun konduktivitasnya dihitung dengan metode two point probe. Dengan menggunakan Microsoft Excel diperoleh absorbansi maksimum berada pada konsentrasi 0,15 g/ml yaitu sebesar 3,352 a.u. Hasil perhitungan menunjukkan kadar klorofil daun biduri sebesar 1,4621 mg/g. Data hasil perhitungan konduktivitas yang diolah dengan Microsoft Excel menunjukkan kenaikan konduktivitas larutan klorofil sebesar 0,0555 (Ωm)-1 pada setiap penambahan konsentrasi 1 gr/ml. Berdasarkan data-data tersebut dapat disimpulkan bahwa daun biduri memiliki potensi untuk dijadikan bahan aktif Dye-Sensitized Solar Cell (DSSC)
Keywords
Absorbansi
Dye-Sensitized Solar Cell
Konduktivitas
Metode Meserasi
Metode Arnon
Spektrofotometri UV-Vis
Two point probe.
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