Synthesis and characterization of titanium dioxide (M-TiO2) nanoparticles doped transition metal (CoCu).

In this study, we synthesized TiO₂ nanoparticles doped with transition metal (CoCu) using a coprecipitation method. The structural properties of TiO₂ doped CoCu were characterized using X-ray diffraction measurements. From X-RD results, the crystallite size of the nanoparticles can be estimated using the Debye-Scherrer formulation. Whereas, the optical properties of the TiO₂ nanoparticles doped with CoCu were characterized using Fourier transform infrared (FTIR) spectroscopy for analyzing the functional group in the nanoparticles and UV-Vis measurement to observe the absorption spectra and estimate the optical band gap energy of the nanoparticles. The X-RD results show that the highest intensity of the anatase phase was honored at the central peak of (110) and (211) reflection planes. The FTIR spectra indicate that the hydroxyl band occurs at the bar of 3600-3000 cm⁻¹ and 1700-1100 cm⁻¹. Some broadband occurs at 900-400 cm^-1 is assigned to the Ti-O-Ti and O-Ti-O bands. UV-Vis spectra result that the addition of CoCu transition metal dopants lowers the optical band gap energy of TiO₂. [ABSTRACT FROM AUTHOR]