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https://open.uns.ac.rs/handle/123456789/6835
Title: | Modification of TiO<inf>2</inf> nanoparticles through lanthanum doping and PEG templating | Authors: | Milanović, Maja Nikolić, Ljubomir |
Issue Date: | 1-Jan-2014 | Journal: | Processing and Application of Ceramics | Abstract: | Pure and lanthanum doped titania nanopowders were synthesized through a room temperature sol-gel method using a template of polyethylene glycol (PEG). The progress of the synthesis in terms of phase formation and size of nanoparticles was monitored by X-ray diffraction, FTIR spectroscopy and SEM analysis. After calcination at 450 °C in air, the results have shown the presence of small particles crystallized predominantly in the form of anatase phase, with significant agglomeration. Nitrogen adsorption-desorption measurements confirmed that all prepared powders are mesoporous with an average pore diameter in range 3.1-3.8 nm. The addition of lanthanum ions leads to the nanopowders with the highest specific surface (BET) area (203 m2/g). The obtained powders were compared to TiO2 prepared without a template. | URI: | https://open.uns.ac.rs/handle/123456789/6835 | ISSN: | 18206131 | DOI: | 10.2298/PAC1404195M |
Appears in Collections: | Naučne i umetničke publikacije |
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