Immobilized rGO/TiO2 Photocatalyst for Decontamination of Water
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388955%3A_____%2F19%3A00508012" target="_blank" >RIV/61388955:_____/19:00508012 - isvavai.cz</a>
Result on the web
<a href="http://hdl.handle.net/11104/0298972" target="_blank" >http://hdl.handle.net/11104/0298972</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.3390/catal9090708" target="_blank" >10.3390/catal9090708</a>
Alternative languages
Result language
angličtina
Original language name
Immobilized rGO/TiO2 Photocatalyst for Decontamination of Water
Original language description
The preparation of immobilized graphene–based photocatalyst layers is highly desired for environmental applications. In this study, the preparation of an immobilized reduced graphene oxide (rGO)/TiO2 composite by electrophoretic deposition (EPD) was optimized. It enabled quantitative deposition without sintering and without the use of any dispersive additive. The presence of rGO had beneficial effects on the photocatalytic degradation of 4-chlorophenol in an aqueous solution. A marked increase in the photocatalytic degradation rate was observed, even at very low concentrations of rGO. Compared with the TiO2 and GO/TiO2 reference layers, use of the rGO/TiO2 composite (0.5 wt% of rGO) increased the first-order reaction rate constant by about 70%. This enhanced performance was due to the increased formation of hydroxyl radicals that attacked the 4-chlorophenol molecules. The direct charge transfer mechanism had only limited effect on the degradation. Thus, EPD-prepared rGO/TiO2 layers appear to be suitable for environmental application.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10403 - Physical chemistry
Result continuities
Project
<a href="/en/project/EF16_013%2F0001821" target="_blank" >EF16_013/0001821: Completing and upgrade RI Nanomaterials and nanotechnologies for environment protection and sustainable future</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2019
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Catalysts
ISSN
2073-4344
e-ISSN
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Volume of the periodical
9
Issue of the periodical within the volume
JUL 2019
Country of publishing house
CH - SWITZERLAND
Number of pages
13
Pages from-to
708
UT code for WoS article
000489178000010
EID of the result in the Scopus database
2-s2.0-85071988084