Facile Synthesis of SnO2 Aerogel/Reduced Graphene Oxide Nanocomposites via in Situ Annealing for the Photocatalytic Degradation of Methyl Orange
SnO2 aerogel/reduced graphene oxide (rGO) nanocomposites were synthesized using the sol–gel method. A homogeneous dispersion of graphene oxide (GO) flakes in a tin precursor solution was captured in a three-dimensional network SnO2 aerogel matrix and successively underwent supercritical al...
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MDPI AG
2019-03-01
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| Series: | Nanomaterials |
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| Online Access: | http://www.mdpi.com/2079-4991/9/3/358 |
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doaj-ad8048e1f71f431eb79d0a52669bd3c02020-11-25T01:21:18ZengMDPI AGNanomaterials2079-49912019-03-019335810.3390/nano9030358nano9030358Facile Synthesis of SnO2 Aerogel/Reduced Graphene Oxide Nanocomposites via in Situ Annealing for the Photocatalytic Degradation of Methyl OrangeTaehee Kim0Vinayak G. Parale1Hae-Noo-Ree Jung2Younghun Kim3Zied Driss4Dorra Driss5Abdallah Bouabidi6Souhir Euchy7Hyung-Ho Park8Department of Materials Science and Engineering, Yonsei University, Seoul 03722, KoreaDepartment of Materials Science and Engineering, Yonsei University, Seoul 03722, KoreaDepartment of Materials Science and Engineering, Yonsei University, Seoul 03722, KoreaDepartment of Materials Science and Engineering, Yonsei University, Seoul 03722, KoreaLaboratory of Electromechanical Systems (LASEM), National School of Engineers of Sfax (ENIS), University of Sfax, PO Box 1173, Route Soukra km 3.5, 3038 Sfax, TunisiaLaboratory of Molecular and Cellular Screening Processes, Centre of Biotechnology of Sfax (CBS), University of Sfax, PO Box 1177, Road Sidi Mansour km 6, 3018 Sfax, TunisiaLaboratory of Electromechanical Systems (LASEM), National School of Engineers of Sfax (ENIS), University of Sfax, PO Box 1173, Route Soukra km 3.5, 3038 Sfax, TunisiaLaboratory of Electromechanical Systems (LASEM), National School of Engineers of Sfax (ENIS), University of Sfax, PO Box 1173, Route Soukra km 3.5, 3038 Sfax, TunisiaDepartment of Materials Science and Engineering, Yonsei University, Seoul 03722, KoreaSnO2 aerogel/reduced graphene oxide (rGO) nanocomposites were synthesized using the sol–gel method. A homogeneous dispersion of graphene oxide (GO) flakes in a tin precursor solution was captured in a three-dimensional network SnO2 aerogel matrix and successively underwent supercritical alcohol drying followed by the in situ thermal reduction of GO, resulting in SnO2 aerogel/rGO nanocomposites. The chemical interaction between aerogel matrix and GO functional groups was confirmed by a peak shift in the Fourier transform infrared spectra and a change in the optical bandgap of the diffuse reflectance spectra. The role of rGO in 3D aerogel structure was studied in terms of photocatalytic activity with detailed mechanism of the enhancement such as electron transfer between the GO and SnO2. In addition, the photocatalytic activity of these nanocomposites in the methyl orange degradation varied depending on the amount of rGO loading in the SnO2 aerogel matrix; an appropriate amount of rGO was required for the highest enhancement in the photocatalytic activity of the SnO2 aerogel. The proposed nanocomposites could be a useful solution against water pollutants.http://www.mdpi.com/2079-4991/9/3/358SnO2 aerogelsol–gel methodgraphene oxidenanocompositephotocatalysis |
| collection |
DOAJ |
| language |
English |
| format |
Article |
| sources |
DOAJ |
| author |
Taehee Kim Vinayak G. Parale Hae-Noo-Ree Jung Younghun Kim Zied Driss Dorra Driss Abdallah Bouabidi Souhir Euchy Hyung-Ho Park |
| spellingShingle |
Taehee Kim Vinayak G. Parale Hae-Noo-Ree Jung Younghun Kim Zied Driss Dorra Driss Abdallah Bouabidi Souhir Euchy Hyung-Ho Park Facile Synthesis of SnO2 Aerogel/Reduced Graphene Oxide Nanocomposites via in Situ Annealing for the Photocatalytic Degradation of Methyl Orange Nanomaterials SnO2 aerogel sol–gel method graphene oxide nanocomposite photocatalysis |
| author_facet |
Taehee Kim Vinayak G. Parale Hae-Noo-Ree Jung Younghun Kim Zied Driss Dorra Driss Abdallah Bouabidi Souhir Euchy Hyung-Ho Park |
| author_sort |
Taehee Kim |
| title |
Facile Synthesis of SnO2 Aerogel/Reduced Graphene Oxide Nanocomposites via in Situ Annealing for the Photocatalytic Degradation of Methyl Orange |
| title_short |
Facile Synthesis of SnO2 Aerogel/Reduced Graphene Oxide Nanocomposites via in Situ Annealing for the Photocatalytic Degradation of Methyl Orange |
| title_full |
Facile Synthesis of SnO2 Aerogel/Reduced Graphene Oxide Nanocomposites via in Situ Annealing for the Photocatalytic Degradation of Methyl Orange |
| title_fullStr |
Facile Synthesis of SnO2 Aerogel/Reduced Graphene Oxide Nanocomposites via in Situ Annealing for the Photocatalytic Degradation of Methyl Orange |
| title_full_unstemmed |
Facile Synthesis of SnO2 Aerogel/Reduced Graphene Oxide Nanocomposites via in Situ Annealing for the Photocatalytic Degradation of Methyl Orange |
| title_sort |
facile synthesis of sno2 aerogel/reduced graphene oxide nanocomposites via in situ annealing for the photocatalytic degradation of methyl orange |
| publisher |
MDPI AG |
| series |
Nanomaterials |
| issn |
2079-4991 |
| publishDate |
2019-03-01 |
| description |
SnO2 aerogel/reduced graphene oxide (rGO) nanocomposites were synthesized using the sol–gel method. A homogeneous dispersion of graphene oxide (GO) flakes in a tin precursor solution was captured in a three-dimensional network SnO2 aerogel matrix and successively underwent supercritical alcohol drying followed by the in situ thermal reduction of GO, resulting in SnO2 aerogel/rGO nanocomposites. The chemical interaction between aerogel matrix and GO functional groups was confirmed by a peak shift in the Fourier transform infrared spectra and a change in the optical bandgap of the diffuse reflectance spectra. The role of rGO in 3D aerogel structure was studied in terms of photocatalytic activity with detailed mechanism of the enhancement such as electron transfer between the GO and SnO2. In addition, the photocatalytic activity of these nanocomposites in the methyl orange degradation varied depending on the amount of rGO loading in the SnO2 aerogel matrix; an appropriate amount of rGO was required for the highest enhancement in the photocatalytic activity of the SnO2 aerogel. The proposed nanocomposites could be a useful solution against water pollutants. |
| topic |
SnO2 aerogel sol–gel method graphene oxide nanocomposite photocatalysis |
| url |
http://www.mdpi.com/2079-4991/9/3/358 |
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