Nanocomposite of montmorillonite and silver nanoparticles: characterization and application for catalytic reduction of 4-nitrophenol
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27360%2F13%3A86088373" target="_blank" >RIV/61989100:27360/13:86088373 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1016/j.matchemphys.2013.03.059" target="_blank" >http://dx.doi.org/10.1016/j.matchemphys.2013.03.059</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.matchemphys.2013.03.059" target="_blank" >10.1016/j.matchemphys.2013.03.059</a>
Alternative languages
Result language
angličtina
Original language name
Nanocomposite of montmorillonite and silver nanoparticles: characterization and application for catalytic reduction of 4-nitrophenol
Original language description
Silver ions previously intercalated into a montmorillonite (MMT) interlayer were reduced by sodium borohydride forming a nanocomposite of MMT and silver nanoparticles (Ag-MMT) with no other stabilizing additives. Within 360 min no coagulation of an aqueous Ag-MMT dispersion was observed. However, after 24 h the coagulation was indicated by a red shift of absorption maximum from 408 nm to 434 nm and by broadening of the absorbance band. The nanocomposite was characterized by transmission electron microscopy (TEM), X-ray powder diffraction (XRD) and measurements of specific surface area (SSA). It contained 4.94 wt. % of silver. Ag nanoparticles with an average size of 6.9 nm were located on the external MMTsurface, mostly in its pores. Ag-MMT was used asa catalyst for reduction of 4-nitrophenol with sodium borohydride forming 4-aminophenol. After 30 s the reaction kinetics changed from zero order to first order, which was explained by means of the LangmuireHinshelwood model. The whole r
Czech name
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Czech description
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Classification
Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
JI - Composite materials
OECD FORD branch
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Result continuities
Project
<a href="/en/project/ED0040%2F01%2F01" target="_blank" >ED0040/01/01: Regional materials science and technology centre</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2013
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Materials Chemistry and Physics
ISSN
0254-0584
e-ISSN
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Volume of the periodical
140
Issue of the periodical within the volume
2-3
Country of publishing house
CH - SWITZERLAND
Number of pages
6
Pages from-to
493-498
UT code for WoS article
000320837700012
EID of the result in the Scopus database
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