Microwave and UV assisted methods for obtaining novel composites based on Fe2O3 with embedded gold nanoparticles
Authors:
- J. Pulit-Prociak,
- J. Chwastowski,
- M. Banach
Abstract
Metallic nanoparticles embedded into the structure of metal oxides may play a role of catalytic substances. Such composites are mostly applied in oxidation reactions. The paper presents two one-step-methods for obtaining nanocomposites of gold embedded in the structure of iron oxide matrices (nanoAu/Fe 2 O 3 ). Gold nanoparticles were formed in situ in the process of iron hydroxide dehydration. Thanks to the use of tannic acid it was possible to effectively reduce gold ions and stabilize the forming metal nanoparticles. The composites were prepared in the fields of microwave, ultraviolet radiation. The physicochemical properties of products were determined by scanning electron microscopy, energy-dispersive X-ray spectroscopy, Fourier transform infrared spectroscopy, X-ray analysis and high-resolution transmission electron microscopy technique with EDS and elemental mapping mode. Also, the catalytic activity of the nanocomposites obtained was evaluated based on the process of methyl orange degradation. It was observed that products obtained according to the microwave radiation method are characterized by improved applying properties.
- Record ID
- CUTa00a8babfb054bc6b59a76f658c37acc
- Publication categories
- ;
- Author
- Journal series
- Journal of Cluster Science, ISSN 1040-7278, e-ISSN 1572-8862
- Issue year
- 2017
- Vol
- 28
- No
- 4
- Pages
- 1937-1954
- Other elements of collation
- fot.; rys.; tab.; wykr.; Bibliografia (na s.) - 1953-1954; Bibliografia (liczba pozycji) - 40; Oznaczenie streszczenia - Abstr.; Numeracja w czasopiśmie - Vol. 28, Iss. 4
- Keywords in English
- nanogold, iron oxide, catalytic activity, green chemistry
- DOI
- DOI:10.1007/s10876-017-1190-4 Opening in a new tab
- URL
- https://doi.org/10.1007/s10876-017-1190-4 Opening in a new tab
- Language
- eng (en) English
- License
- Score (nominal)
- 20
- Additional fields
- Indeksowana w: Web of Science, Scopus
- Uniform Resource Identifier
- https://cris.pk.edu.pl/info/article/CUTa00a8babfb054bc6b59a76f658c37acc/
- URN
urn:pkr-prod:CUTa00a8babfb054bc6b59a76f658c37acc
* presented citation count is obtained through Internet information analysis, and it is close to the number calculated by the Publish or PerishOpening in a new tab system.