Effect of Initial Water Content and Calcination Temperature on Photocatalytic Properties of Tio<sub>2</Sub> Nanopowders Synthesized by the Sol-Gel Process

dc.authorid Ozturk, Abdullah/0000-0002-1525-1561
dc.authorid Ozturk, Abdullah/0000-0002-1525-1561
dc.authorid Kapusuz Yavuz, Derya/0000-0002-6935-9762
dc.authorid Park, Jongee/0000-0003-1415-6906
dc.authorid Agartan, Lutfi/0000-0002-5850-4661
dc.authorscopusid 57200769968
dc.authorscopusid 55596907000
dc.authorscopusid 58155971100
dc.authorscopusid 7103003538
dc.authorwosid Ozturk, Abdullah/JHU-4760-2023
dc.authorwosid Ozturk, Abdullah/ABA-3208-2020
dc.authorwosid Agartan, Lutfi/Q-3809-2019
dc.authorwosid Kapusuz Yavuz, Derya/W-9139-2019
dc.authorwosid Park, Jongee/N-9579-2015
dc.contributor.author Agartan, Lutfi
dc.contributor.author Kapusuz, Derya
dc.contributor.author Park, Jongee
dc.contributor.author Ozturk, Abdullah
dc.contributor.other Metallurgical and Materials Engineering
dc.date.accessioned 2024-07-05T14:32:22Z
dc.date.available 2024-07-05T14:32:22Z
dc.date.issued 2015
dc.department Atılım University en_US
dc.department-temp [Agartan, Lutfi; Kapusuz, Derya; Ozturk, Abdullah] Middle E Tech Univ, Dept Met & Mat Engn, TR-06800 Ankara, Turkey; [Park, Jongee] Atilim Univ, Dept Met & Mat Engn, TR-06836 Ankara, Turkey en_US
dc.description Ozturk, Abdullah/0000-0002-1525-1561; Ozturk, Abdullah/0000-0002-1525-1561; Kapusuz Yavuz, Derya/0000-0002-6935-9762; Park, Jongee/0000-0003-1415-6906; Agartan, Lutfi/0000-0002-5850-4661 en_US
dc.description.abstract The effects of initial water content and calcination temperature on sol gel synthesized TiO2 powders were studied. Mother solutions had water/Ti-precursor mole ratios (R ratio) of 1, 5, 10, and 50. Dried aerogels were calcined for 3 h at temperatures of 300, 400, and 500 degrees C to obtain crystallized TiO2 nanopowders in the range of 15-30 nm. PE-scanning electron microscopy and X-ray diffraction techniques were employed to investigate the morphological and structural properties of the nanopowders synthesized. Profound effect of gel viscosity was observed on the formation mechanism and extent of crystallinity in the powders. Methylene blue degradation test results suggest, photocatalytic performance is enhanced as initial water content and calcination temperature increased. Band-gap energy of the powders ranged from 3.09 to 3.27 eV. Overall, this study shows that initial water content and calcination regime have a profound effect on the phase assembly, crystallite size, band-gap energy, and photocatalytic performance of sol gel synthesized TiO2 nanopowders. (C) 2015 Elsevier Ltd and Techna Group S.r.l. All rights reserved. en_US
dc.description.sponsorship Middle East Technical University [BAP-03-08-2013-001] en_US
dc.description.sponsorship The authors would like to thank Middle East Technical University for their financial support provided through Project no: BAP-03-08-2013-001. en_US
dc.identifier.citationcount 28
dc.identifier.doi 10.1016/j.ceramint.2015.06.114
dc.identifier.endpage 12797 en_US
dc.identifier.issn 0272-8842
dc.identifier.issn 1873-3956
dc.identifier.issue 10 en_US
dc.identifier.scopus 2-s2.0-84955369607
dc.identifier.startpage 12788 en_US
dc.identifier.uri https://doi.org/10.1016/j.ceramint.2015.06.114
dc.identifier.uri https://hdl.handle.net/20.500.14411/802
dc.identifier.volume 41 en_US
dc.identifier.wos WOS:000362860900035
dc.identifier.wosquality Q1
dc.institutionauthor Park, Jongee
dc.language.iso en en_US
dc.publisher Elsevier Sci Ltd en_US
dc.relation.publicationcategory Makale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı en_US
dc.rights info:eu-repo/semantics/closedAccess en_US
dc.scopus.citedbyCount 36
dc.subject Sol-gel processes en_US
dc.subject TiO2 en_US
dc.subject Photocatalysis en_US
dc.subject Characterization en_US
dc.title Effect of Initial Water Content and Calcination Temperature on Photocatalytic Properties of Tio<sub>2</Sub> Nanopowders Synthesized by the Sol-Gel Process en_US
dc.type Article en_US
dc.wos.citedbyCount 30
dspace.entity.type Publication
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