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Pengaruh Pasta ZnO dengan Penambahan Dish Detergent dan PVA pada Kaca Konduktif terhadap Efisiensi Dye Sensitized Solar Cell dari Ekstrak Bunga Rosela (Hibiscus sabdariffa L.)

Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University, Indonesia

Published: 1 Dec 2013.
Open Access Copyright 2013 Jurnal Kimia Sains dan Aplikasi under http://creativecommons.org/licenses/by-sa/4.0.

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Abstract
Telah dilakukan penelitian tentang pembuatan pasta ZnO dengan penambahan dish detergent dan PVA pada kaca konduktif terhadap efisiensi dye sensitized solar cell (DSSC) dari ekstrak bunga rosela (Hibiscus sabdariffa L.). Penelitian ini bertujuan untuk menghasilkan lapisan ZnO nanopori dan untuk mengetahui pengaruh pembuatan pasta ZnO dengan penambahan dish detergent dan PVA terhadap efisiensi dye sensitized solar cell (DSSC). Penelitian dilakukan dengan pembuatan elektroda kerja (working electrode) dari lapis tipis ZnOyang mengadsorb antosianin bunga rosela, elektroda perlawanan (counter electrode) dari karbon dan elektrolit I-/I3- sebagai pasangan redoks. Karakterisasi DSSC meliputi serapan panjang gelombang zat pewarna bunga rosella, kristalinitas ZnO, struktur morfologi lapis ZnO dan karakteristik ikatan antara ZnO dengan senyawa antosianin. Nilai efisiensi DSSC ditentukan dengan metode kurva arus dan tegangan. Hasil penelitian dapat diperoleh lapisan ZnO berukuran nanopori sebesar 71,43 nm, dan efisiensi DSSC yang diperoleh untuk ZnO dengan dish detergent sebesar 2,964 x 10-4% sedangkan ZnO dengan PVA diperoleh efisiensi sebesar 0,712 x 10-4%.
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Keywords: Dye Sensitized Solar Cell (DSSC); pasta ZnO; antosianin bunga rosella

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