Preparation method for sodium chloride assisted silver nano-particle self-assembled filter paper surface enhanced Raman spectrum base

Preparation method for sodium chloride assisted silver nano-particle self-assembled filter paper surface enhanced Raman spectrum base

The invention provides a preparation method for a sodium chloride assisted silver nano-particle self-assembled filter paper surface enhanced Raman spectrum (SERS) base, and aims to solve the problems that the sensitivity of the silver nano-particle SERS base prepared by adopting an existing method i...

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Hauptverfasser: HASIWULIJI, JIA BAOSHEN, LYU ZHIWEI, LIN SHUANG, LOU XIUTAO, LIN XIANG, YANG FANG
Format: Patent
Sprache:chi ; eng
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INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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creator HASIWULIJI
JIA BAOSHEN
LYU ZHIWEI
LIN SHUANG
LOU XIUTAO
LIN XIANG
YANG FANG
description The invention provides a preparation method for a sodium chloride assisted silver nano-particle self-assembled filter paper surface enhanced Raman spectrum (SERS) base, and aims to solve the problems that the sensitivity of the silver nano-particle SERS base prepared by adopting an existing method is low and the manufacturing process is complicated. The preparation method comprises the following steps: 1, dissolving silver nitrate into ultrapure water and boiling; adding a sodium citrate solution to prepare silver sol; 2, immersing a filtering paper sheet in a sodium chloride solution; and airing the taken sheet; and 3, immersing the filtering paper sheet in the silver sol; and airing the taken sheet to finish the preparation of the surface enhanced Raman spectrum base. The surface enhanced Raman spectrum base provided by the invention can be used for rapidly detecting substances with the concentration in a ppb magnitude order and is high in sensitivity; the Raman spectrum base is simple and convenient to ope
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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
title Preparation method for sodium chloride assisted silver nano-particle self-assembled filter paper surface enhanced Raman spectrum base
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