Salsabila, Rifdah Adya (2026) Sintesis Komposit Dual-MOF N-CDs/ZIF-8/UiO-66 dan Aplikasinya sebagai Adsorben dan Fotokatalis untuk Degradasi Metil Jingga dalam Air. Masters thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Telah berhasil dilakukan sintesis komposit dual-MOF ZIF-8/UiO-66 yang terintegrasi dengan N-CDs melalui metode sonokimia, dengan variasi penambahan N-CDs sebesar 5, 7,5, dan 10 mL. Keberadaan UiO-66, ZIF-8, dan N-CDs telah dikonfirmasi melalui karakterisasi dengan XRD, FTIR, FESEM-EDX, dan TEM. Penggabungan UiO-66 dan ZIF-8 terbukti dapat membentuk interaksi antarmuka yang dapat memfasilitasi mobilitas elektron selama reaksi fotokatalitik. Selain itu, penambahan N-CDs dengan jumlah optimum mampu memberikan gugus fungsional tambahan untuk berinteraksi dengan polutan dan memperluas rentang penyerapan sinar dari dual-MOF. Komposit variasi NC7,5ZU menunjukkan kemampuan adsorpsi dan fotokatalitik yang unggul dibandingkan material hasil sintesis lainnya. NC7,5ZU mampu mendegradasi molekul MO dengan kapasitas adsorpsi 191,19 mg/g dan efisiensi fotokatalitik 98,51%, dengan dosis katalis sebesar 25 mg, konsentrasi awal MO 100 mg/L, dan waktu penyinaran 100 menit. Hasil ini menunjukkan penambahan N-CDs ke dalam dual-MOF dapat meningkatkan efisiensi fotokatalitik.
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The synthesis of a ZIF-8/UiO-66 dual-MOF composite integrated with N-CDs has been successfully carried out using the sonochemical method, by varying the addition of N-CDs at 5, 7.5, and 10 mL. The presence of UiO-66, ZIF-8, and N-CDs has been confirmed through characterization with XRD, FTIR, FESEM-EDX, and TEM. The combination of UiO-66 and ZIF-8 has been proven to form interfacial interactions that facilitate electron mobility during photocatalytic reactions. Moreover, the addition of N-CDs with an optimum amount is able to provide additional functional groups to interact with pollutants and expand the light absorption range of dual-MOF. The NC7.5ZU variation composite shows superior adsorption and photocatalytic capabilities compared to other synthesized materials. NC7.5ZU was able to degrade MO molecules with an adsorption capacity of 191,19 mg/g and a photocatalytic efficiency of 98.51%, with a catalyst dose of 25 mg, an initial MO concentration of 100 mg/L, and an irradiation time of 100 minutes. These results indicate that the addition of N-CDs into dual-MOF can improve photocatalytic efficiency.
| Item Type: | Thesis (Masters) |
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| Uncontrolled Keywords: | Adsorpsi, Fotokatalitik, Komposit Dual-MOF, Metil Jingga, N-CDs/ZIF-8/UiO-66 Adsorption, Photocatalytic, Dual-MOF Composite, Methyl Orange, N-CDs/ZIF-8/UiO-66 |
| Subjects: | Q Science > QD Chemistry > QD716 Photocatalysis. |
| Divisions: | Faculty of Science and Data Analytics (SCIENTICS) > Chemistry > 47101-(S2) Master Thesis |
| Depositing User: | Rifdah Adya Salsabila |
| Date Deposited: | 27 Jan 2026 07:51 |
| Last Modified: | 27 Jan 2026 07:51 |
| URI: | http://repository.its.ac.id/id/eprint/130543 |
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