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Microwave-assisted synthesis of ZnO–graphene composite for photocatalytic reduction of Cr(vi)
Abstract
ZnO–graphene composites are successfully synthesized via microwave-assisted reaction of zinc sulfate in aqueous solution with a graphite oxide dispersion using a microwave synthesis system. Their morphology, structure and photocatalytic performance in reduction of Cr(VI) are characterized by scanning electron microscopy, X-ray diffraction spectroscopy and UV-vis absorption spectrophotometer, respectively. The results show that in the composite the graphene nanosheets are decorated densely by ZnO nanosheets, which display a good combination between graphene and ZnO nanosheets. The ZnO–graphene composite exhibits an enhanced photocatalytic performance in the reduction of Cr(VI) with a removal rate of 98% under UV light irradiation as compared with pure ZnO (58%) due to the increased light absorption intensity and range, as well as the reduction of electron–hole pair recombination with the introduction of graphene.
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Cites
Preparation of graphene–TiO 2 composites with enhanced photocatalytic activity
Zhou, K., Zhu, Y., Yang, X., Jiang, X., & Li, C. (2011) · New J. Chem. · doi:10.1039/c0nj00623h · Cited by 576
Cited by
Environmental applications of graphene-based nanomaterials
Perreault, F., Fonseca de Faria, A., & Elimelech, M. (2015) · Chemical Society Reviews · doi:10.1039/c5cs00021a · Cited by 1,528
Graphene-based materials for catalysis
Machado, B. F., & Serp, P. (2012) · Catal. Sci. Technol. · doi:10.1039/c1cy00361e · Cited by 958
Nanotechnology for Environmental Remediation: Materials and Applications
Guerra, F. D., Attia, M. F., Whitehead, D. C., & Alexis, F. (2018) · Molecules · doi:10.3390/molecules23071760 · Cited by 787
Graphene based metal and metal oxide nanocomposites: synthesis, properties and their applications
Khan, M., Tahir, M. N., Adil, S. F., Khan, H. U., Siddiqui, M. R. H., Al-warthan, A. A., & Tremel, W. (2015) · Journal of Materials Chemistry A · doi:10.1039/c5ta02240a · Cited by 709
Environmental applications using graphene composites: water remediation and gas adsorption
Kemp, K. C., Seema, H., Saleh, M., Le, N. H., Mahesh, K., Chandra, V., & Kim, K. S. (2013) · Nanoscale · doi:10.1039/c3nr33708a · Cited by 530
Metadata
- Authors
- Liu, X., Pan, L., Lv, T., Lu, T., Zhu, G., Sun, Z., & Sun, C.
- Venue
- Catalysis Science & Technology
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2011
- Volume
- 1
- Issue
- 7
- Pages
- 1189
- ISSN
- 2044-4753 (ISSN-L)
- 2044-4761
- OpenAlex
- W2161874798
- Cited by
- 219
- References
- 1
- FWCI
- 8.67
- Type
- journal article
- Language
- en
- Open access
- closed
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- Liu, X., Pan, L., Lv, T., Lu, T., Zhu, G., Sun, Z., & Sun, C. (2011). Microwave-assisted synthesis of ZnO–graphene composite for photocatalytic reduction of Cr(vi). Catalysis Science & Technology. https://doi.org/10.1039/c1cy00109d
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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