KeywordsModified ceria, solid solution, amorphous citrate route, optical properties, UV absorbers.
AbstractA new fluorite-type solid solution domain has been evidenced in the system (1-x) CeO 2 -x/7 Y 6 WO 12 2 using the amorphous citrate route. All the studied phases (0 x 1) crystallize in a cubic-type symmetry. Diffuse reflectance spectra reveal a strong optical absorption between 380 and 400 nm. All substituted compositions spectral selectivities are estimated suitable for application as inorganic UV absorbers.
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