ANNETE GABRIELLA NURALIYA, . (2024) SINTESIS DAN KARAKTERISASI FOTOKATALIS NANOKOMPOSIT ZnO/CuO MENGGUNAKAN METODE KOPRESIPITASI UNTUK DEGRADASI ANTIBIOTIK TETRASIKLIN. Sarjana thesis, UNIVERSITAS NEGERI JAKARTA.
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Abstract
Nanokomposit ZnO/CuO telah berhasil disintesis menggunakan metode kopresipitasi pada pH 12. Pada penelitian ini dilakukan perbandingan variasi dengan kenaikan konsentrasi CuO yaitu ZnO:CuO yaitu 95:5 (ZC5 NCs), 90:10 (ZC10 NCs), dan 85:15 (ZC15 NCs). Karakterisasi sampel dilakukan menggunakan X-Ray Diffraction (XRD), Scanning Electron Microscope-Energi Dispersive X-Ray Spectroscopy (SEM-EDS), High-Resolution Transmission Electron Microscopy (TEM), dan Spektrofotometer UV-Vis. Hasil karakterisasi XRD menunjukkan struktur kristal ZnO yaitu Heksagonal dan CuO yaitu monoklinik, dengan ukuran kristalit 37.85 nm, 33.89 nm, 35.23 nm, dan 36.25 nm untuk ZnO NPs, ZC5 NCs, ZC10 NCs, ZC15 NCs. Hasil karakterisasi SEM menunjukkan bentuk morfologi bulat dengan adanya aglomerasi pada setiap sampel. hasil karakterisasi EDS menunjukkan terdeteksinya unsur Zn, Cu, O, dan C. Hasil karakterisasi TEM menunjukkan butiran berbentuk bulat. Hasil uji spektrofotometer UV-Vis menunjukkan nilai band gap dari ZnO NPs, ZC5 NCs, ZC10 NCs, dan ZC15 NCs adalah 3.28 eV, 3.02 eV, 2.94 eV, dan 2.84 eV. Hasil uji fotokatalisis menunjukkan ensensi degradasi fotokatalisis terhadap tetrasiklin pada ZnO NPs, ZC5 NCs, ZC10 NCs, dan ZC15 NCs adalah 88.40%, 95.71%, 95.40%, 94.40 %,dan 92.24% selama 2 jam dibawah sinar matahari. **** ZnO/CuO nanocomposites have been successfully synthesised using the co-precipitation method at pH 12. In this study, a comparison of variations with increasing CuO concentration was carried out, namely ZnO:CuO, 95:5 (ZC5 NCs), 90:10 (ZC10 NCs), and 85:15 (ZC15 NCs). The samples were characterised using X-Ray Diffraction (XRD), Scanning Electron Microscope-Energy Dispersive X-Ray Spectroscopy (SEM-EDS), High-Resolution Transmission Electron Microscopy (TEM), and UV-Vis Spectrophotometer. XRD characterisation results showed the crystal structure of ZnO is hexagonal and CuO is monoclinic, with crystallite sizes of 37.85 nm, 33.89 nm, 35.23 nm, and 36.25 nm for ZnO NPs, ZC5 NCs, ZC10 NCs, ZC15 NCs. SEM characterisation results show a round morphological shape with agglomeration in each sample. EDS characterisation results show the detection of Zn, Cu, O, and C elements. TEM characterisation results showed spherical grains. The result of UV-Vis spectrophotometer characterizatiod value of ZnO NPs, ZC5 NCs, ZC10 NCs, and ZC15 were 3.28 eV, 3.02 eV, 2.94 eV, and 2.84 eV. Photocatalysis test results showed photocatalysis degradation essence in ZnO NPs, ZC5 NCs, ZC10 NCs, and ZC15 NCs were 88.40%, 95.71%, 95.40%, 94.40 %, and 92.24% for 2 hours under sunlight.
| Item Type: | Thesis (Sarjana) |
|---|---|
| Additional Information: | 1). Prof. Dr. Iwan Sugihartono, M.Si 2). Dr. Eng. Osi Arutanti, M.Si |
| Subjects: | Sains > Fisika |
| Divisions: | FMIPA > S1 Fisika |
| Depositing User: | Users 24444 not found. |
| Date Deposited: | 14 Aug 2024 04:14 |
| Last Modified: | 15 Aug 2024 00:21 |
| URI: | http://repository.unj.ac.id/id/eprint/49948 |
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