Synthesis and Characterization of Novel Hybrid Nanocomposite Containing Modified Titanium Dioxide Nanoparticles and Tetraisoindole Organic Pigment
In this research, novel hybrid nanocomposite containing iron modified titanium dioxide and tetraisoindole organic pigment has been synthesized and characterized. Modified nanoparticles and hybrid nanocomposite have been characterized by X-ray diffraction (XRD), FT-IR spectroscopy, energy dispersive X-ray (EDX) analysis, BET surface area determination, diffuse reflectance spectroscopy, simultaneous thermal analysis (TG, DTA) and transmission electron microscopy (TEM). The results confirmed the formation of the hybrid nanocomposite containing iron modified titanium dioxide and tetraisoindole organic pigment with the pure anatase phase. The TEM micrograph displayed that particle sizes of the hybrid nanocomposite were about 25 nm. The band gap energy of the hybrid nanocomposite was about 2.53 eV that has been decreased significantly in comparison with modified titanium dioxide nanoparticles (3.10 eV) and pure titanium dioxide (3.66 eV). Hence, synthesized hybrid nanocomposite with absorption edge in the visible region is much appropriate for optical applications of photocatalyst and photovoltaic under solar light irradiation.
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