dc.contributor.author |
Tawkaew S. |
|
dc.contributor.author |
Supothina S. |
|
dc.date.accessioned |
2021-04-05T03:34:04Z |
|
dc.date.available |
2021-04-05T03:34:04Z |
|
dc.date.issued |
2012 |
|
dc.identifier.issn |
15334880 |
|
dc.identifier.other |
2-s2.0-84863972588 |
|
dc.identifier.uri |
https://ir.swu.ac.th/jspui/handle/123456789/14306 |
|
dc.identifier.uri |
https://www.scopus.com/inward/record.uri?eid=2-s2.0-84863972588&doi=10.1166%2fjnn.2012.4915&partnerID=40&md5=0cd74c5464fd856b6d4becd07d2bfc56 |
|
dc.description.abstract |
Iron oxide-loaded hydrous potassium tetratitanate (K 0.3Ti 4O 7.3(OH) 1.7) compounds consisting of 1.48 wt% (sample 'B'), 1.87 wt% (sample 'C') and 5.60 wt% (sample 'D') of iron oxide were synthesized by suspending the K 0.3Ti4O 7.3(OH) 1.7 (sample 'A') in Fe 2(SO 4.3 solution for 24 h, followed by washing several times with deionized water and then dried at 120 °C for 24 h. The K 0.3Ti4O 7.3(OH) 1.7 was synthesized by refluxing the K 2Ti 4O 9 2H 2O in 1 M HNO 3 solution. Band-gap energies of the K 0.3Ti4O 7.3(OH) 1.7 and the iron oxide-loaded samples are 3.12 ± 0.6 eV and 2.23 ± 0.09 eV, respectively. Photooxidation activity towards methylene blue decomposition under fluorescence irradiation was found to decrease as follow: sample 'B' > sample 'C' > Sample 'A' > sample 'D' > commercial Fe 2O 3 ∼ Blank. The photoactivity under sunlight irradiation was found to decrease as follow: sample 'B' > sample 'A' > Sample 'C' > sample 'D' > commercial Fe 2O 3 ∼ Blank. Keywords: Potassium Tetratitanate, Methylene Blue, Photooxidation, Fluorescence, Sunlight. Copyright © 2012 American Scientific Publishers All rights reserved. |
|
dc.subject |
Band gap energy |
|
dc.subject |
Layered compound |
|
dc.subject |
Methylene Blue |
|
dc.subject |
Photoactivity |
|
dc.subject |
Photocatalytic activities |
|
dc.subject |
Potassium tetratitanate |
|
dc.subject |
Potassium titanates |
|
dc.subject |
Refluxing |
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dc.subject |
Sunlight |
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dc.subject |
Sunlight irradiation |
|
dc.subject |
Aromatic compounds |
|
dc.subject |
Deionized water |
|
dc.subject |
Fluorescence |
|
dc.subject |
Iron oxides |
|
dc.subject |
Irradiation |
|
dc.subject |
Photocatalysis |
|
dc.subject |
Photooxidation |
|
dc.subject |
Potassium |
|
dc.subject |
Titanium compounds |
|
dc.subject |
Potassium compounds |
|
dc.subject |
ferric ion |
|
dc.subject |
ferric oxide |
|
dc.subject |
nanomaterial |
|
dc.subject |
titanate potassium |
|
dc.subject |
titanium |
|
dc.subject |
article |
|
dc.subject |
catalysis |
|
dc.subject |
chemistry |
|
dc.subject |
light |
|
dc.subject |
materials testing |
|
dc.subject |
particle size |
|
dc.subject |
radiation exposure |
|
dc.subject |
ultrastructure |
|
dc.subject |
Catalysis |
|
dc.subject |
Ferric Compounds |
|
dc.subject |
Light |
|
dc.subject |
Materials Testing |
|
dc.subject |
Nanostructures |
|
dc.subject |
Particle Size |
|
dc.subject |
Titanium |
|
dc.title |
Preparation and photocatalytic activity of iron oxide-loaded potassium titanate layered compounds |
|
dc.type |
Article |
|
dc.rights.holder |
Scopus |
|
dc.identifier.bibliograpycitation |
Journal of Nanoscience and Nanotechnology. Vol 12, No.6 (2012), p.4969-4974 |
|
dc.identifier.doi |
10.1166/jnn.2012.4915 |
|