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A kind of preparation method of zinc oxide nanotube substrate coated with silver nanoparticles

A technology of zinc oxide nanotubes and silver nanoparticles, applied in the field of molecular recognition, can solve problems such as difficulties, and achieve the effects of simple operation, good Raman activity and good stability

Inactive Publication Date: 2015-10-21
JILIN NORMAL UNIV
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Problems solved by technology

[0005] Although the research on SERS has made rapid progress, so far, it is still difficult to use SERS technology for quantitative analysis. A large number of studies have shown that the SERS effect has a significant relationship with the surface morphology and microstructure of metal substrates. SERS Active substrates are the prerequisite for obtaining SERS signals, so it is an important topic in the field of SERS research to find a simple and low-cost method to prepare highly active SERS substrates.

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  • A kind of preparation method of zinc oxide nanotube substrate coated with silver nanoparticles
  • A kind of preparation method of zinc oxide nanotube substrate coated with silver nanoparticles
  • A kind of preparation method of zinc oxide nanotube substrate coated with silver nanoparticles

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Embodiment Construction

[0030] The required raw materials of the present invention are as follows:

[0031] Zinc acetate (Zn(OOCCH 3 ) 2 2H 2 O, Shenyang Sinopharm Chemical Reagent Co., Ltd.) was analytically pure;

[0032] Alcohol (CH 3 CH 2 OH, Shenyang Sinopharm Group Chemical Reagent Co., Ltd.) was analytically pure;

[0033] Potassium chloride (KCI, Shenyang No. 1 Reagent Factory) was analytically pure;

[0034] Hexamethylenetetramine (C 6 h 12 N 4 , Shenyang Sinopharm Group Chemical Reagent Co., Ltd.) was analytically pure;

[0035] Zinc nitrate (Zn(NO 3 ) 2 ·6H 2 O, Shenyang Sinopharm Chemical Reagent Co., Ltd.) was analytically pure;

[0036] 4-mercaptopyrimidine (4-MPY, Shanghai Weifang Fine Chemical Co., Ltd.) was of analytical grade.

[0037] ①. Prepare the seed layer solution: first weigh the Zn(OOCCH 3 )2 2H 2 O (0.0658g) into 60ml alcohol solution 60 o C was heated and stirred for 1 hour, and prepared into a zinc acetate suspension solution with a molar concentration of...

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Abstract

The invention relates to a preparation method of silver nano particle coated zinc oxide nano tube substrate. The preparation method adopts a combination of a chemical method and a magnetron sputtering method. The target product Ag@ZNT substrate is prepared from following raw materials: Zn(OOCCH3)2.2H2O, Zn(NO3)2.6H2O, KCl, absolute ethanol, hexamethylene tetramine, and silver target. The substrate has the advantages of very good Raman activity, stability and repeatability, is an ideal SERS substrate, and is capable of being applied to fields of chemistry, materials science, and biomedicine.

Description

technical field [0001] The invention belongs to the technical field of molecular recognition, and specifically relates to a preparation method for preparing a silver nanoparticle-coated zinc oxide nanotube substrate by combining a chemical method and a magnetron sputtering method. The substrate prepared by this method can be applied to the surface-enhanced Raman scattering substrate. Background technique [0002] In 1974, Fleischman et al. used pyridine as the Raman active material on the silver electrode to conduct Raman scattering experiments for the first time. In order to increase the scattering intensity, they carried out several oxidation-reduction cycles (ORC) on the surface of the silver electrode to roughen the electrode. The surface of the surface can absorb more pyridine molecules, and as a result, an enhanced scattering signal is obtained. In 1977, Van Duyne and Creighton et al. systematically studied the same system, and after excluding the factors of increasi...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23C28/00
Inventor 高铭杨景海张永军杨丽丽范厚刚
Owner JILIN NORMAL UNIV
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