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Method utilizing shaddock ped extracting solution to synthesize silver nanoparticles in microwave

A technology for microwave synthesis and silver nanoparticles, which is applied in the field of microwave synthesis of silver nanoparticles from grapefruit peel extract, and achieves the effects of uniform particle morphology, good application prospects and good dispersibility.

Inactive Publication Date: 2013-12-25
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Phlilip et al synthesized gold and silver nanoparticles with edible mushrooms and honey (Molecular and Biomolecidar Spectroscopy., 2009. 73, 374); so far, there is no microwave method to synthesize silver nanoparticles in the presence of grapefruit peel extract. the report

Method used

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  • Method utilizing shaddock ped extracting solution to synthesize silver nanoparticles in microwave
  • Method utilizing shaddock ped extracting solution to synthesize silver nanoparticles in microwave
  • Method utilizing shaddock ped extracting solution to synthesize silver nanoparticles in microwave

Examples

Experimental program
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Effect test

Embodiment 1

[0015] Measure 30mL of the prepared grapefruit peel extract (0.1g / L) into a 250mL beaker, then measure 30mL of AgNO 3 The solution (3.4g / L) was added into the beaker, and the mixed solution was continuously stirred for 20 minutes, then the beaker was transferred to a microwave reactor, and the reaction was performed for 30 minutes at a power of 400W; After washing 3 times, silver nanoparticles were obtained.

Embodiment 2

[0017] Measure 36mL of the prepared grapefruit peel extract (0.1g / L) into a 250mL beaker, then measure 30mL of AgNO 3 Add the solution (1.7g / L) into the beaker, and keep stirring the mixture for 20 minutes, then transfer the beaker to a microwave reactor, and react for 20 minutes at a power of 500W; After washing 3 times, silver nanoparticles were obtained.

Embodiment 3

[0019] Measure 40mL of the prepared grapefruit peel extract (0.1g / L) into a 250mL beaker, then measure 50mL of AgNO 3 Add the solution (6.8g / L) into the beaker, and keep stirring the mixture for 20 minutes, then transfer the beaker to a microwave reactor, and react for 3 minutes at a power of 700W; After washing 3 times, silver nanoparticles were obtained.

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Abstract

The invention relates to a preparation method of silver nanoparticles, in particular to a method utilizing shaddock ped extracting solution to synthesize silver nanoparticles in microwave. The preparation method includes preparing the prepared shaddock ped extracting solution to volume, mixing and stirring the prepared shaddock ped extracting solution with silver nitrate solution in a certain concentration after a certain period of time, transferring the mixture to a microwave reactor, reacting for a while under a certain power, performing centrifugal separation to products, and washing the products with deionized water and ethyl alcohol many times to acquire collargol silver nanoparticles. The preparation method is green and environmental protective, and convenient and efficient, and grain size of the silver nanoparticles prepared is 8-15nm, even in shape and good in dispersity, and the silver nanoparticles has good application prospect in the fields of biology, pharmacy, catalysis and the like.

Description

technical field [0001] The invention relates to a method for preparing silver nanoparticles, in particular to a method for synthesizing silver nanoparticles with grapefruit peel extract by microwave. Background technique [0002] In recent years, noble metal nanoparticles have great potential in catalysis, optics, information storage, surface-enhanced Raman scattering, biomarkers, imaging and sensing due to their unique properties such as large specific surface area, good interface effect and small size effect. Potential application prospects; among all metals, the noble metal silver has the best electrical and thermal conductivity, and silver nanoparticles have very stable physical and chemical properties, and have excellent properties in many aspects such as electricity, optics and catalysis , has been widely used in many fields such as ceramic materials, environmental protection materials, coatings, catalysis and surface-enhanced Raman scattering technology, and has broad...

Claims

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Application Information

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IPC IPC(8): B22F9/24
Inventor 张元陈敏姜德立徐露璐吴柱东
Owner JIANGSU UNIV
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