Dian Fikriana, Triani (2022) ANALISIS FASA, SIFAT MAGNETIK DAN GUGUS FUNGSI PADA NANO PARTIKEL (Fe3O4) COATED- TETRAETHYL ORTHOSILICATE (TEOS). S1 thesis, UNIVERSITAS SULTAN AGENG TIRTAYASA.
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Abstract
Tetraethyl Orthosilicate (TEOS) is a source of silica to increase the stability of the dispersion of Fe3O4 nanoparticles in the lubricant. The process begins with mixing Fe3O4 powder into a solution containing Aquades, Ethanol, Ammonia, and TEOS with variations (1;2;3) ml. The samples were then dried and characterized, including the analysis of the phases formed on Fe3O4 without and already coated with TEOS (XRD), magnetic properties (VSM), and functional groups (FTIR). The results of the phase analysis formed to produce a single phase, namely magnetite (Fe3O4). The results of the analysis of magnetic properties show that as the volume of TEOS as a coating material for Fe3O4 increases, its value tends to decrease. For the results of the FTIR analysis, there is a new functional group that is bound, namely C-O in the Fe3O4 sample which has been coated with TEOS
| Item Type: | Thesis (S1) | |||||||||
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| Additional Information: | Tetraethyl Orthosilicate (TEOS) sebagai sumber silika untuk meningkatkan kestabilan dispersi nanopartikel Fe3O4 didalam lubricant. Proses dimulai dengan dicampurkannya serbuk Fe3O4 ke dalam larutan yang mengandung Aquades, Ethanol, Ammonia dan TEOS dengan variasi (1;2;3) ml. Sampel kemudian dikeringkan dan dikarakterisasi, meliputi analisa fasa yang terbentuk pada Fe3O4 tanpa dan sudah dilapisi TEOS (XRD), sifat magnet (VSM), dan gugus fungsi (FTIR). Hasil dari analisa fasa yang terbentuk menghasilkan fasa tunggal yaitu magnetite (Fe3O4). Pada hasil analisa sifat magnet terlihat bahwa seiring bertambahnya volume TEOS sebagai bahan pelapis Fe3O4 nilainya cenderung menurun. Untuk hasil analisa FTIR terdapat gugus fungsi baru yang terikat yaitu C-O pada sampel Fe3O4 yang telah di coating dengan TEOS. | |||||||||
| Subjects: | Q Science > Q Science (General) Q Science > QC Physics Q Science > QD Chemistry |
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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 Triani Triani Dian Fikriana | |||||||||
| Date Deposited: | 28 Dec 2022 11:25 | |||||||||
| Last Modified: | 28 Dec 2022 11:25 | |||||||||
| URI: | http://eprints.untirta.ac.id/id/eprint/19074 |
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