Dye Sensitized Solar Cells (DSSC) dengan Sensitiser Dye Alami Daun Pandan, Akar Kunyit dan Biji Beras Merah (Black Rice)

Dahyunir Dahlan, Tjiauw Siaw Leng, Hermansyah Aziz

Abstract


Dye alami dari daun pandan, akar kunyit dan biji black rice telah dipreparasi dalam larutan etanol sebagai sensitiser pada dye sensitized solar cells (DSSC). Dye campuran  dipreparasi dengan perbandingan volume 1 : 1 juga diteliti sebagai sensitiser pada DSSC. Metoda doctor blade dipakai untuk menumbuhkan lapisan tipis TiO2. Karakterisasi spektrofotometer UV-Vis dilakukan pada larutan dye untuk mengamati panjang gelombang yang diserap dye dan menghitung energi gap dye. Dari perhitungan diperoleh energi gap dye 1,387- 1,777 eV. Sedangkan dari karakterisasi arus tegangan (I-V), diperoleh efisiensi terbesar dye tunggal 0,056% dari dye kunyit dan efisiensi terbesar dye campuran 0,207% dari dye campuran black rice dan kunyit. Penggunaan dye campuran dapat meningkatkan performa dan efisiensi DSSC secara signifikan.

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