Abstract
This study synthesized titanium dioxide (TiO2) quickly and cheaply using microwaves and pulsed laser ablation. Titanium isopropoxide (Ti[OCH(CH3)2]4) was the precursor and deionized water (DIW) was the solvent and reducer for sub-micrometer particle production in microwave technique. TiO2 nanoparticles were synthesized in pulsed laser ablation liquid medium after a 5-minute preparation period in a 1200 W commercial microwave and a 1-hour annealing at 400°C. A Q-switched Nd:YAG laser with 480 mJ energy per pulse was used for 100, 200, and 300 pulses. Multiple methods, including XRD, BET, and EDX. XRD showed anatase TiO2 in microwave-synthesised nanoparticles. Pulsed laser ablation produced pure TiO2 nanoparticles with a brookite crystalline structure. In microwave BET analysis, TiO2 has a large surface area of 72.727 to 108.28 m2/g. BET analysis indicated 82.44 to 98.67 m2/g of TiO2 surface area by pulsed laser ablation. Strong titanium (Ti) and oxygen (O) peaks in microwave and pulsed laser ablation EDX tests showed nanoparticle purity.
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