Abstract
With the development of advanced processing and characterization tools, nanotechnology is emerging as a potential area which can deal with energy and environmental challenges. Titanium oxide nanoparticles are redox active nanoparticles and used in various applications as catalyst. The catalytic property of these nanoparticles varies with the phase, size, shape and environment. Phase and size of TiO2 nanoparticles varies significantly with the processing temperature and pressure. In this present work, TiO2 nanoparticles are synthesized at different temperature from sub-zero to 200°C with varying pressure (1atm-500psi) and time (1-144hrs). TiO2 nanoparticles are obtained by the hydrolysis of titanium isopropoxide precursor. The objective of this study is to understand the effect of pressure and temperature on nucleation and growth kinetics of synthesized TiO2 nanoparticles. These nanoparticles are characterized using x-ray diffraction (XRD), high resolution transmission electron microscopy (HRTEM), fourier transform infrared (FR-IR) spectroscopy, visible and ultra violet (UV-Vis) spectroscopy, and photo luminance (PL).
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