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Synthesis and Photocatalytic Performance of Ink Slab-Like ZnO/Graphene Composites
Zhang Yun-Long; Zhang Yu-Zhi; Song Li-Xin; Guo Yun-Feng; Wu Ling-Nan; Zhang Tao5
2017
Source PublicationACTA PHYSICO-CHIMICA SINICA
ISSN1000-6818
Volume33Issue:11Pages:2284
AbstractA special ZnO/graphene composite with an ink slab-like shape was synthesized by a facile one-step solution method. The morphology of the ink slab-like ZnO/graphene composites produced under different reaction conditions was studied by scanning electron microscopy (SEM), field emission SEM (FESEM), and high resolution transmission electron microscopy (HRTEM). The photocatalytic properties of the products obtained under different reaction conditions were evaluated to determine the effect of reaction conditions and morphology. Photoluminescence (PL) and UV-visible spectra were measured to study the recombination of electron-hole pairs and absorption of UV-visible light. The results showed that the growth process of the ink slab-like ZnO involves the 'corrosion mechanism'. The combination of graphene greatly enhanced the photocatalytic performance by enhancing light absorption, decreasing the band gap, and reducing the recombination probability of electron-hole pairs. Moreover, the bottom of the ink slab-like ZnO with a rough surface can greatly increase the reaction area. The extremely thin bottom of the ink slab offers a considerable build-in internal electric field that accelerates the separation of electron-hole pairs, thus decreasing the recombination probability and enhancing the photocatalytic performance.
DOI10.3866/PKU.WHXB201705184
WOS IDWOS:000409322900025
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/26652
Collection中国科学院上海硅酸盐研究所
Affiliation1.[Zhang Yun-Long
2.Zhang Yu-Zhi
3.Song Li-Xin
4.Guo Yun-Feng
5.Wu Ling-Nan
6.Chinese Acad Sci, Shanghai Inst Ceram, Shanghai 201800, Peoples R China
7.[Zhang Yun-Long
8.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Zhang Yun-Long,Zhang Yu-Zhi,Song Li-Xin,et al. Synthesis and Photocatalytic Performance of Ink Slab-Like ZnO/Graphene Composites[J]. ACTA PHYSICO-CHIMICA SINICA,2017,33(11):2284.
APA Zhang Yun-Long,Zhang Yu-Zhi,Song Li-Xin,Guo Yun-Feng,Wu Ling-Nan,&Zhang Tao.(2017).Synthesis and Photocatalytic Performance of Ink Slab-Like ZnO/Graphene Composites.ACTA PHYSICO-CHIMICA SINICA,33(11),2284.
MLA Zhang Yun-Long,et al."Synthesis and Photocatalytic Performance of Ink Slab-Like ZnO/Graphene Composites".ACTA PHYSICO-CHIMICA SINICA 33.11(2017):2284.
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