SINTESIS DAN KARAKTERISASI Ni-ZIF-8

Dedy Yudianto, Ratna Ediati
Submission Date: 2014-08-19 14:02:28
Accepted Date: 2014-09-14 11:50:42

Abstract


Sintesis Ni-ZIF-8 dengan persentase doping logam Ni 0-15% terhadap logam Zn telah berhasil dilakukan dengan mereaksikan seng nitrat, nikel klorida dan 2-metilimidazol dalam media  DMF (N’N-dimetilformamida) yang dipanaskan pada suhu 120°C selama 24 jam. Difraktogram XRD padatan hasil sintesis menunjukkan puncak-puncak utama pada skitar sudut 2θ = 7,3; 10,3; 12,7; 16,4 dan 18,0°, yang merupakan puncak karakteristik dari padatan Ni-ZIF-8. Spektra FTIR dari Ni-ZIF-8 hasil sintesis memiliki puncak serapan pada bilangan gelombang sekitar 421 cm-1 yang menunjukkan adanya ikatan seng dengan nitrogen dalam Ni-ZIF-8 dan sekitar 1.256 cm-1 yang diduga adalah ikatan nikel dengan nitrogen. Dari pengukuran dengan metode adsorpsi N2 diperoleh luas permukaan 1249 m²/g (ZIF-8) dan 1144 m²/g , 1074 m²/g, 997 m²/g (berturut-turut untuk NiZ-5, NiZ-10 dan NiZ-15). Hasil analisis termal dengan TGA menunjukkan bahwa Ni-ZIF-8 hasil sintesis memiliki stabilitas termal pada suhu hingga 600 °C.


Keywords


Ni-ZIF-8 ; solvotermal ; DMF ; karakterisasi

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