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Guang Pu Xue Yu Guang Pu Fen Xi. 2012 Sep;32(9):2438-41.

[Preparation and SERS activity studies on substrate of nano-silver film with broad plasma absorption band].

[Article in Chinese]

Author information

1
Department of Physics and Electronic Science, Chuxiong Normal University, Chuxiong 675000, China. cxzdq@live.com

Abstract

A highly reproducible and broad plasma absorption band nano-silver film was prepared by electrostatic self-assembly technology. The size of nano-silver particles on the surface of silver film, in the scanning electron microscopy (SEM) micrograph, is in a wide distribution from 18 to 200 nm. At the same time, the ultraviolet-visible spectrophotometer was employed to detect the nano-silver film. There is a broad plasma absorption band in the UV-Vis spectrum. To test the SERS activity of the nano-silver film, crystal violet and serum of healthy person were used as probe molecules and the high quality SERS spectra were obtained.

PMID:
23240413
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