Chemistry Department, Faculty of Sciences and Mathematics, Diponegoro University, Indonesia
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@article{JKSA16905, author = {Laila Anggraini and Abdul Haris and Didik Widodo}, title = {Pembuatan Dye-Sensitized Solar Cell dengan Memanfaatkan Fotosensitizer Ekstrak Kol Merah (Brassica oleracea var. capitata f. Rubra)}, journal = {Jurnal Kimia Sains dan Aplikasi}, volume = {13}, number = {3}, year = {2010}, keywords = {Dye Sensitized Solar Cell; TiO2; antosianin}, abstract = {Telah dilakukan penelitian mengenai pembuatan Dye Sensitized Solar Cell dengan memanfaatkan ekstrak kol merah ( Brassica oleracea var. capitata f. Rubra ). Dye-Sensitized Solar Cell (DSSC) merupakan salah satu kandidat potensial sel surya, proses absorpsi cahaya dilakukan oleh molekul zat warna dan proses separasi muatan oleh semikonduktor TiO 2 . Zat warna alami yang digunakan diisolasi dalam campuran asam asetat:metanol:air dan dilakukan screening fitokimia. Karakterisasi ekstrak kol merah dilakukan dengan spektrometer UV Vis dan spektrometer FTIR. Karakterisasi lapis tipis TiO 2 dilakukan menggunakan metode difraksi sinar-X dan SEM ( Scanning Electron Microscopy ). Konstruksi sel surya yang digunakan adalah sistem sandwich . Efisiensi kinerja DSSC diperoleh melalui pengukuran voltase dan arus yang dihasilkan pada kondisi yang berbeda yakni di bawah pancaran sinar matahari dan di dalam ruangan. Hasil karakterisasi komponen DSSC menunjukan bahwa fotosensitizer ekstrak kol merah merupakan senyawa fenolik golongan flavonoid. Adanya kandungan antosianin ditunjukan dengan panjang gelombang maksimum 525 nm dan diperkuat dengan munculnya gugus hidroksil, benzena dan karbonil pada serapan inframerah. Lapis tipis TiO 2 menunjukkan morfologi permukaan dengan ukuran rongga sekitar 220 nm, dan ketebalan penampang lintang sekitar 300 nm. Sedangkan difraktrogram lapis tipis TiO 2 menunjukkan bahwa TiO 2 memiliki fasa kristalin anatase dengan ukuran kristal sebesar 17,366 nm. Voltase maksimum dan kuat arus maksimum yang dihasilkan pada kondisi di bawah pancaran sinar matahari dan di dalam ruangan masing-masing sebesar 0,627 V; 0,065.10 -3 A dan 0,152 V; 0,014.10 -3 A. Efisiensi yang dihasilkan sistem sel surya dalam penelitian ini masing-masing sebesar 0,003 % dan 0,000113 %. Hasil karakterisasi arus dan voltase memperlihatkan kemampuan konversi energi cahaya menjadi energi listrik.}, issn = {2597-9914}, pages = {101--108} doi = {10.14710/jksa.13.3.101-108}, url = {https://ejournal.undip.ac.id/index.php/ksa/article/view/16905} }
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Increasing Efficiency of Dye-Sensitized Solar Cell (DSSC) Originating from Yellow Sweet Potato Extract as Dye Sensitizer: Effect of Acetic Acid, Polyethylene Glycol, and Polyvinyl Alcohol as TiO2 binders
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