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Citation: LEI Xin-Xian, XIAO Gui-Na, MAN Shi-Qing, YANG Xing-Wang. Synthesis and Surface Plasmonic Resonance of Stannum Nanocaps[J]. Acta Physico-Chimica Sinica, ;2009, 25(01): 169-172. doi: 10.3866/PKU.WHXB20090130 shu

Synthesis and Surface Plasmonic Resonance of Stannum Nanocaps

1.
Department of Physics, Jinan University, Guangzhou 510632; 2Institute of Nano-Chemistry, Jinan University, Guangzhou 510632

Received Date: 28 July 2008
Available Online: 12 November 2008

Stannum nanocaps were prepared by evaporating Sn on self-assembled monolayer arrays of SiO2 nanoparticles. Surface morphologies, structure, and optical properties of composite nanoparticles were characterized and investigated using scanning electron microscopy (SEM), atomic force microscopy (AFM), X-ray diffraction (XRD) and UV-Vis-NIR spectrophotometer. The results show that the composite nanoparticles are cap-shaped and surface plasmonic resonance absorption peaks move to the near-infrared region as the SiO2 diameter increases and Sn cap thickness increases.
- Stannum nanocaps; Composite nanoparticles; Surface plasmonic resonance
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