AP01013 Effect of Precursor Concentration on Structural Characteristics of Titanium Dioxide Nanopowders Synthesized by Green Method

Abstract

In this work, titanium dioxide nanopowders were synthesized by an eco-friendly green method. The structural characteristics of the synthesized nanopowders were determined, analyzed and compared to introduce their dependency on the precursor concentration. It was found that the synthesized nanopowders show polycrystalline structures with a reasonable dependency on the concentration of the precursor of the TiO₂ (i.e., titanium isopropoxide). Also, the minimum particle size was found to increase with increasing the concentration of the precursor. Higher concentration of the precursor results in much more stoichiometric compound. The lowest concentration (0.5 mL) has resulted in higher surface roughness. The synthesized nanopowders will be employed in biological and agricultural applications to make use of the photocatalytic activity of TiO₂.