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Controllable Charge Transfer in Ag-TiO2 Composite Structure for SERS Application
Wang, Y. X.; C. Yan; L. J. Chen; Y. Zhang and J. H. Yang
2017
发表期刊Nanomaterials
卷号7期号:7
摘要The nanocaps array of TiO2/Ag bilayer with different Ag thicknesses and co-sputtering TiO2-Ag monolayer with different TiO2 contents were fabricated on a two-dimensional colloidal array substrate for the investigation of Surface enhanced Raman scattering (SERS) properties. For the TiO2/Ag bilayer, when the Ag thickness increased, SERS intensity decreased. Meanwhile, a significant enhancement was observed when the sublayer Ag was 10 nm compared to the pure Ag monolayer, which was ascribed to the metal- semiconductor synergistic effect that electromagnetic mechanism (EM) provided by roughness surface and charge-transfer (CT) enhancement mechanism from TiO2-Ag composite components. In comparison to the TiO2/Ag bilayer, the co-sputtered TiO2-Ag monolayer decreased the aggregation of Ag particles and led to the formation of small Ag particles, which showed that TiO2 could effectively inhibit the aggregation and growth of Ag nanoparticles.
收录类别sci ; ei
语种英语
文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/59303
专题中科院长春光机所知识产出
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GB/T 7714
Wang, Y. X.,C. Yan,L. J. Chen,et al. Controllable Charge Transfer in Ag-TiO2 Composite Structure for SERS Application[J]. Nanomaterials,2017,7(7).
APA Wang, Y. X.,C. Yan,L. J. Chen,&Y. Zhang and J. H. Yang.(2017).Controllable Charge Transfer in Ag-TiO2 Composite Structure for SERS Application.Nanomaterials,7(7).
MLA Wang, Y. X.,et al."Controllable Charge Transfer in Ag-TiO2 Composite Structure for SERS Application".Nanomaterials 7.7(2017).
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