1Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University, Indonesia
2Physics Department, Faculty of Mathematics and Natural Sciences, Sebelas Maret University, Surakarta, Indonesia
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@article{JKSA18760, author = {Mitha Anggistia and Hendri Widiyandari and Khairul Anam}, title = {Identifikasi dan Kuantifikasi Antosianin dari Fraksi Bunga Rosela (Hibiscus Sabdariffa L) dan Pemanfaatannya sebagai Zat Warna Dye-Sensitized Solar Cell (DSSC)}, journal = {Jurnal Kimia Sains dan Aplikasi}, volume = {19}, number = {2}, year = {2016}, keywords = {antosianin; rosela; kadar; sel surya DSSC}, abstract = {Identifikasi antosianin dari fraksi bunga Rosela ( Hibiscus Sabdariffa L.) dan pemanfaatannya sebagai zat warna dye-sensitized solar cell (DSSC) telah dilakukan. Penelitian ini bertujuan untuk mengkuantifikasi kadar antosianin dari fraksi bunga rosela dan menentukan hubungan kadar antosianin terhadap efisiensi sel pada DSSC. Metode yang digunakan adalah (i) ekstraksi antosianin dengan maserasi, (ii) fraksinasi ekstrak antosianin secara kromatografi kolom dengan fasa gerak air-metanol (100:0, 75:25, 50:50, 25:75, 0:100) dan fasa diam sephadex LH-20, (iii) identifikasi senyawa antosianin dengan KLT dan penampak bercak (AlCl3 dan uap amoniak), (iv) kuantifikasi kadar antosianin, (v) aplikasi zat warna antosianin ke DSSC dan (vi) karakterisasi senyawa antosianin pada fraksi yang memiliki performansi DSSC paling tinggi menggunakan spektroskopi UV-Vis dan IR. Hasil penelitian menunjukan kadar relatif antosianin mempengaruhi nilai efisiensi sel surya DSSC. Semakin besar kadar relatif antosianin maka nilai efisiensi sel surya semakin tinggi. Fraksi 1 menunjukkan nilai kadar relatif antosianin 3,56% dan nilai efisiensi sel surya yaitu 1,014 x 10 -4 %, sedangkan fraksi 2 menunjukkan nilai kadar relatif antosianin 40,29% dan nilai efisiensi sel surya fraksi 2 yaitu 6,59 x 10 -4 %.}, issn = {2597-9914}, pages = {50--57} doi = {10.14710/jksa.19.2.50-57}, url = {https://ejournal.undip.ac.id/index.php/ksa/article/view/18760} }
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