%0 Journal Article %T Effect of gadolinium inclusion on the raman spectra and photoluminescence of TiO<sub>2</sub> nanoparticles %J Advanced Materials Proceedings %I International Association of Advanced Materials %Z 2002-4428 %A Dhanalakshmi, J. %A Pathinettam Padiyan, D. %D 2016 %\ 11/01/2016 %V 1 %N 2 %P 195-199 %! Effect of gadolinium inclusion on the raman spectra and photoluminescence of TiO<sub>2</sub> nanoparticles %K TiO2 %K anatase %K nanocomposites %K Raman %K photoluminescence %R 10.5185/amp.2016/215 %X GdxTi1-xO2 nanocomposites with x=0.00, 0.02, 0.04, 0.06, 0.08 &amp; 0.10 were prepared through sol-gel method.&nbsp; The samples were characterized using X-ray diffraction (XRD), diffuse reflectance spectroscopy (DRS), High resolution scanning electron microscope (HR-SEM), Raman spectroscopy and photoluminescence spectroscopy (PL).&nbsp; The XRD pattern and Raman spectra confirmed the presence of crystalline nature and phase pure anatase tetragonal system.&nbsp; The average crystallite size of the samples was between 10 to 18 nm.&nbsp; HR-SEM images indicated the formation of spherical like particles of GdxTi1-xO2 nanocomposites.&nbsp; An obvious reduction in particle size of &nbsp;&nbsp;GdxTi1-xO2 nanocomposites were noticed while comparing the SEM images of bare TiO2 and composite samples.&nbsp; Coupling of Gd is responsible for slight blue shift in absorption edge.&nbsp; The presence of oxygen vacancies is confirmed in Raman and PL spectra.&nbsp; These oxygen vacancies potentially trap electrons and restrict the electron-hole recombination and thus improve the photocatalytic reactions.&nbsp; %U https://amp.iaamonline.org/article_15974_feef4de48314ff25a463b644c539a5bf.pdf