TiO2/ZnxNi1-xFe2O4 nanocomposites (x = 0; 0.2; 0.4; 0.6; 0.8; and 1) were synthesized using a co-precipitation method at annealing temperature of 600°C for 3 hours. X-ray diffraction pattern showed high percentage of anatase TiO2 phase and slight proportion of Zn-NiFe2O4 spinel ferrite phase. The lattice parameters in all samples are in the range a = b = 3.782-3.791 Å and c = 9.487-9.524 Å. Crystal size tends to decrease with the addition of Zn content between 11.34-15.64 nm. The results of SEM characterization showed that the particle size of the sample x = 0.2 and 0.8 were 95.9 nm and 110.8 nm, respectively. The FTIR spectra was measured at a wave number of 400-4000 cm−1. The vibration of metal ion with oxygen (M-O) occurred at wave number of 416.62 cm−1, which confirmed the structure of spinel in the TiO2/ZnxNi1-xFe2O4 nanocomposites. The presence of the titanium dioxide phase was confirmed by wave number 671.64 cm−1 in the FTIR spectrum which is the Ti-O-Ti vibration. The energy gap of TiO2/ZnxNi1-xFe2O4 nanocomposites decreased with the addition of Zn content in the range of 2.77-3.01 eV. The value obtained is lower than the band gap energy of pure TiO2. The highest degradation of RhB dye was 35.94% with a degradation rate of 0.002 minutes−1 which was found on the sample x = 0.2 for 120 minutes.
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20 February 2025
THE 4TH MATERIALS RESEARCH SOCIETY OF INDONESIA (MRS-ID) MEETING
26–29 September 2022
Malang, Indonesia
Research Article|
February 20 2025
Effect of Zn dopant on crystal structure, optical properties, and photocatalytic activity of TiO2/ZnxNi1-xFe2O4 composites by co-precipitation method for degrading liquid waste of the textile industry
Joko Utomo
Arisma Nurul Fauziyah
Khorifathul Khoiriyah
Vindy Yurike Oktavia
Herlin Pujiarti
Joko Utomo
a)
a)Corresponding author: [email protected]
AIP Conf. Proc. 3197, 020011 (2025)
Citation
Arisma Nurul Fauziyah, Khorifathul Khoiriyah, Vindy Yurike Oktavia, Herlin Pujiarti, Joko Utomo; Effect of Zn dopant on crystal structure, optical properties, and photocatalytic activity of TiO2/ZnxNi1-xFe2O4 composites by co-precipitation method for degrading liquid waste of the textile industry. AIP Conf. Proc. 20 February 2025; 3197 (1): 020011. https://doi.org/10.1063/5.0241171
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