Putri Awalia, Diana (2024) SINTESIS DAN KARAKTERISASI MATERIAL CARBON DOTS BERBAHAN DASAR LIMBAH KULIT APEL MENGGUNAKAN TEKNIK IRADIASI GELOMBANG MIKRO (MICROWAVE). S1 thesis, Universitas Sultan Ageng Tirtayasa.
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Abstract
This research aims to synthesize and determine the characteristics of apple peel waster-derived carbon dots (c-dots) using microwave irradiation techniques based on UV-Vis spechtrophotometer and FTIR tests. The study began by preparing sample solutions synthesized using microwave heating, resulting in 12 samples: 9 samples subjected to microwave processing for 8, 10, and 12 minutes, and 3 samples not subjected to microwave processing. These 12 samples were then tested using a UV flashlight, with the most notable fluorescence observed in samples with a concetration of 1:15 for 8 minutes, 1:20 for 8 minutes, and 1:20 for 10 minutes. Subsequently, UV-Vis spechtrophotometer testing was conducted on 3 samples, revealing peak absorbance values within the wavelength range of 207-279 nm. Additionally, one sample was tested using FTIR to identify the functional groups presents in the sample, with the FTIR spectrum indicating the presence of C=C, N-H, and C\equivC functional groups.
| Item Type: | Thesis (S1) | |||||||||
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| Additional Information: | Penelitian ini bertujuan untuk mensintesis dan menentukan karakteristik c-dots berbahan dasar limbah kulit apel menggunakan teknik iradasi gelombang mikro (microwave) berdasarkan uji spektrofotometer UV-Vis dan FTIR. Penelitian ini dimulai dengan membuat larutan sampel yang disintesis dengan menggunakan pemanasan microwave, hasil yang didapatkan yaitu 12 sampel yang terdiri dari 9 sampel yang sudah melalui proses microwave dengan variasi waktu 8 menit, 10 menit, dan 12 menit dan 3 sampel yang tidak melalui proses microwave. 12 Sampel tersebut kemudian diuji menggunakan senter UV dan hasil pendaran yang paling mencolok terdapat pada konsentrasi 1:15 variasi waktu 8 menit, konsentrasi 1:20 variasi waktu 8 menit dan konsentrasi 1:20 variasi waktu 10 menit, kemudian dilakukan pengujian menggunakan spektrofotometer UV-Vis sebanyak 3 sampel dengan nilai puncak absorbansi yang didapatkan terdapat pada rentang panjang gelombang 207 – 279 nm kemudian 1 sampel dilakukan pengujian FTIR untuk mengetahui gugus fungsi yang terdapat pada sampel, spektrum FTIR menunjukkan adanya gugus fungsi C=C, N-H, dan C\equivC. | |||||||||
| Uncontrolled Keywords: | C-dots, apple peel waste, microwave, c-dots characterization C-dots, limbah kulit apel, microwave, karakterisasi c-dots | |||||||||
| Subjects: | Q Science > Q Science (General) Q Science > QC Physics |
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| Divisions: | 02-Fakultas Keguruan dan Ilmu Pendidikan 02-Fakultas Keguruan dan Ilmu Pendidikan > 84203-Jurusan Pendidikan Fisika |
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| Depositing User: | Mrs Diana Putri Awalia | |||||||||
| Date Deposited: | 03 Jul 2024 11:46 | |||||||||
| Last Modified: | 03 Jul 2024 11:46 | |||||||||
| URI: | http://eprints.untirta.ac.id/id/eprint/36897 |
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