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A novel microporous amorphous-ZnO@TiO2/graphene ternary nanocomposite with enhanced photocatalytic activity
Guo, Siyao1; Dai, Jianguo2; Zhao, Tiejun1; Hou, Dongshuai1; Zhang, Peng1; Wang, Gangpeng1; Sun, Guoxing3
2017
Source PublicationRSC ADVANCES
ISSN2046-2069
Volume7Issue:58Pages:36787-36792
Abstract

Rational design and synthesis of graphene-based photoactive heterostructures is in great demand for various applications. Herein, a novel microporous amorphous-ZnO@TiO2/graphene heterostructure was developed via a facile approach for the first time. This heterostructure possesses excellent characteristics such as high surface area (336 m(2) g(-1)), excellent mobility of charge carriers, and enhanced photocatalytic activity. The higher photocatalytic activity of the developed novel microporous amorphous-ZnO@TiO2/graphene hybrid was demonstrated through the degradation of water pollutants, MB and RhB. The mechanistic analysis result shows that the numerous unsaturated sites on the surface of amorphous-ZnO@TiO2 facilitate the separation of photogenerated electrons and holes, and graphene mainly acts as an electron transfer bridge. The combination of amorphous-ZnO@TiO2 and graphene constructs a new class of photocatalysts and also has a synergistic effect on improving the photocatalytic activity. The resultant amorphous-ZnO@TiO2/graphene ternary nanocomposite as a novel high performance photocatalyst is of a great potential for water pollution treatment due to its high catalytic activity, low cost, long-term stability, and easy recovery.

DOI10.1039/c7ra06232j
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaChemistry
WOS SubjectChemistry, Multidisciplinary
WOS IDWOS:000406347300068
PublisherROYAL SOC CHEMISTRY
The Source to ArticleWOS
Scopus ID2-s2.0-85026416808
Fulltext Access
Citation statistics
Document TypeJournal article
CollectionINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Corresponding AuthorDai, Jianguo; Sun, Guoxing
Affiliation1.Qingdao Technol Univ, Cooperat Innovat Ctr Engn Construct & Safety Shad, Qingdao 266000, Peoples R China
2.Hong Kong Polytech Univ, Dept Civil & Environm Engn, Hong Kong, Hong Kong, Peoples R China
3.Univ Macau, Inst Appl Phys & Mat Engn, Macau 999078, Peoples R China
Corresponding Author AffilicationUniversity of Macau
Recommended Citation
GB/T 7714
Guo, Siyao,Dai, Jianguo,Zhao, Tiejun,et al. A novel microporous amorphous-ZnO@TiO2/graphene ternary nanocomposite with enhanced photocatalytic activity[J]. RSC ADVANCES, 2017, 7(58), 36787-36792.
APA Guo, Siyao., Dai, Jianguo., Zhao, Tiejun., Hou, Dongshuai., Zhang, Peng., Wang, Gangpeng., & Sun, Guoxing (2017). A novel microporous amorphous-ZnO@TiO2/graphene ternary nanocomposite with enhanced photocatalytic activity. RSC ADVANCES, 7(58), 36787-36792.
MLA Guo, Siyao,et al."A novel microporous amorphous-ZnO@TiO2/graphene ternary nanocomposite with enhanced photocatalytic activity".RSC ADVANCES 7.58(2017):36787-36792.
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