Sintesis dan Karakterisasi Sifat Optik Nanokomposit Fe3O4@ZnO:C
DOI:
https://doi.org/10.25077/jfu.12.2.297-302.2023Keywords:
Fe3O4@ZnO, Karbon, Kopresipitasi, Sifat OptikAbstract
Penelitian ini bertujuan untuk mengetahui dan menganalisis pengaruh massa karbon terhadap sifat optik nanokomposit Fe3O4@ZnO:C. Nanokomposit Fe3O4@ZnO:C disintesis menggunakan metode kopresipitasi dengan variasi sampel yaitu Fe3O4, Fe3O4@ZnO (1:2), Fe3O4@ZnO:C (0,2 g), Fe3O4@ZnO:C (0,1 g), dan Fe3O4@ZnO:C (0,05 g). Sampel kemudian dikarakterisasi menggunakan x-ray diffraction (XRD), fourier transform infrared (FTIR), dan photoluminescence (PL). Ukuran kristal diperoleh dari hasil karakterisasi XRD berturut-turut yaitu 20,39 nm; 27,22 nm; 20,39 nm; 16,31 nm; dan 16,31 nm. Adapun struktur kristal yang terbentuk dari semua variasi sampel yaitu cubic (Fe3O4)dan hexsagonal wurzite(ZnO). Pada pengujian FTIR terdapat ikatan Fe-O dan Zn-O yang menunjukkan terbentuknya Fe3O4 danZnO. Ikatan C-O, C-H, dan O-H menandakan terdapatnya lapisan karbon yang bersumber dari glukosa. Hasil karakterisasi PL menunjukkan bahwa penambahan karbon akan meningkatkan intensitas fotoluminisensi dari nanokomposit Fe3O4@ZnO:C, dimana puncak emisi yang dihasilkan berada pada panjang gelombang 383,33 nm dan 664,21 nm.References
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