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Title:POVRŠINSKA OBDELAVA NANODELCEV TITANOVEGA DIOKSIDA RUTILNE KRISTALNE STRUKTURE
Authors:ID Stokić, Suzana (Author)
ID Kristl, Matjaž (Mentor) More about this mentor... New window
ID Drofenik, Mihael (Comentor)
ID Inkret, Monika (Comentor)
Files:.pdf VS_Stokic_Suzana_2010.pdf (6,10 MB)
MD5: D29D17382DFB03B1B9B573AD70EEF55B
PID: 20.500.12556/dkum/714ea471-6045-47b5-8ff7-5bf17f59f993
 
Language:Slovenian
Work type:Undergraduate thesis
Organization:FKKT - Faculty of Chemistry and Chemical Engineering
Abstract:Pri tem diplomskem delu smo površinsko obdelali nanodelce titanovega dioksida rutilne kristalne strukture s plaščem silicijevega in aluminijevega oksida. Za površinsko obdelavo nanodelcev TiO2 smo uporabili tri postopke. Princip oplaščenja nanodelcev je bila koprecipitacija, kjer smo z ustreznimi obarjalnimi reagenti dosegli nanos oksidnih plaščev na površino nanodelcev titanovega dioksida. Ugotovili smo, da so najbolje oplaščeni tisti nanodelci, ki so bili površinsko obdelani po postopku 3. Pri vseh treh postopkih je prihajalo do aglomeracije delcev, kar je otežilo oplaščevanje posameznih delcev. Dobljene vzorce smo karakterizirali s pomočjo rentgenske praškovne difrakcije (XRD), s transmisijskim elektronskim mikroskopom (TEM), z vrstičnim elektronskim mikroskopom (SEM), z rentgenskim fluorescenčnim spektrofotometrom (XRF) ter določili specifično površino delcev z BET metodo.
Keywords:nanodelci, titanov dioksid, površinska obdelava, oplaščenje, koprecipitacija.
Place of publishing:Maribor
Publisher:[S. Stokić]
Year of publishing:2010
PID:20.500.12556/DKUM-12944 New window
UDC:542.745(043.2)
COBISS.SI-ID:14091030 New window
NUK URN:URN:SI:UM:DK:2EWHZFVB
Publication date in DKUM:21.01.2010
Views:4665
Downloads:451
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FKKT
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Secondary language

Language:English
Title:SURFACE COATING OF TITANIUM DIOXIDE NANOPARTICLES WITH RUTILE CRYSTAL STRUCTURE
Abstract:Nanoparticles of titanium dioxide with rutile crystal structure were coated with Al2O3 and SiO2. Three different processes were used for this surface treatment. Rutile nano TiO2 was coated by method of coprecipitation, where precipitating agents were added and aluminium and silicium oxide layers were formed on surface of nanoparticles. The results showed that the most optimal process was the third process. The samples were characterised by X-ray diffraction (XRD), transmission electron microscope (TEM), scanning electron microscope (SEM), X-ray fluorescence spectrometer (XRF) and SBET method.
Keywords:nano TiO2, surface treatment, coating, coprecipitation.


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