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Photocatalytic and adsorption property of ZnS-TiO2/RGO ternary composites for methylene blue degradation
Qin, Y. L.; Zhao, W. W.; Sun, Z.; Liu, X. Y.; Shi, G. L.; Liu, Z. Y.; Ni, D. R.; Ma, Z. Y.
2019-12-01
Source PublicationADSORPTION SCIENCE & TECHNOLOGY
ISSN0263-6174
Volume37Issue:2020-09-10Pages:764-776
AbstractThe visible light-driven ZnS-TiO2/RGO nanocomposites, with good visible light-driven photocatalytic activity, utilizing graphene oxide as precursor, were successfully synthesized via a facile solvothermal thermal method with graphene oxide as precursor. Ti4+ ions were derived from titanium dioxide powder (TiO2, P25) and tetrabutyl titanate. S2- ions and Zn2+ ions were provided by sodium sulfide and zinc acetate, respectively. The photocatalytic and absorbance activity of the nanocomposites was investigated through the photocatalytic degradation of methylene blue in aqueous solution. The results showed that the ZnS-TiO2/RGO nanocomposite prepared by tetrabutyl titanate exhibited better photocatalytic and adsorbance activity for methylene blue under visible light irradiation and its photocatalytic efficiency reached 90% in 60-min light irradiation, almost 1.5 times that of the synthesized ZnS-TiO2/RGO by P25, which was attributed to a cooperative reaction because of an increase of photo-absorption effect of graphene sheets and photocatalytic effect of ZnS nanoparticles. The adsorbance activity for ZnS-TiO2/RGO-tetrabutyl titanate) reached 48%, which was almost 1.7 times higher than that of ZnS-TiO2/RGO-P25 and almost 3.7 times higher than that of ZnS/RGO.
KeywordSolvothermal method TiO2 nanocomposites graphene photocatalytic degradation adsorptance
Indexed BySCI
Language英语
WOS IDWOS:000503648700006
PublisherSAGE PUBLICATIONS INC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/80567
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Qin, Y. L.,Zhao, W. W.,Sun, Z.,et al. Photocatalytic and adsorption property of ZnS-TiO2/RGO ternary composites for methylene blue degradation[J]. ADSORPTION SCIENCE & TECHNOLOGY,2019,37(2020-09-10):764-776.
APA Qin, Y. L..,Zhao, W. W..,Sun, Z..,Liu, X. Y..,Shi, G. L..,...&Ma, Z. Y..(2019).Photocatalytic and adsorption property of ZnS-TiO2/RGO ternary composites for methylene blue degradation.ADSORPTION SCIENCE & TECHNOLOGY,37(2020-09-10),764-776.
MLA Qin, Y. L.,et al."Photocatalytic and adsorption property of ZnS-TiO2/RGO ternary composites for methylene blue degradation".ADSORPTION SCIENCE & TECHNOLOGY 37.2020-09-10(2019):764-776.
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