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High-frequency warming electrochemical-surface enhanced Raman spectrum detection system

A surface-enhanced Raman and spectral detection technology, applied in the direction of material electrochemical variables, Raman scattering, measuring devices, etc., can solve the problems of high price and achieve sensitive detection, cheap detection technology and method, and extremely fast heating speed Effect

Inactive Publication Date: 2018-06-08
FUZHOU UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The heated electrochemical surface-enhanced Raman spectroscopy technology is currently widely used with Linkam cold and hot stages, but the price is relatively expensive

Method used

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  • High-frequency warming electrochemical-surface enhanced Raman spectrum detection system
  • High-frequency warming electrochemical-surface enhanced Raman spectrum detection system
  • High-frequency warming electrochemical-surface enhanced Raman spectrum detection system

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Effect test

Embodiment 1

[0022] The invention provides a novel high-frequency temperature-rising electrochemical-surface-enhanced Raman spectroscopy system applied to the temperature-rising electrochemical detection of a formic acid system. The specific steps included are:

[0023] Step 1: providing concentration is the mixed solution of 0.05 mol / L formic acid and 0.5 mol / L sulfuric acid;

[0024] Step 2: Provide high-frequency AC signal generator, spectral electrolytic cell, thermocouple digital display thermometer, potentiostat, printed circuit board, confocal Raman spectrometer; connect various instruments and equipment; load Au@Pt nanoparticles to the thermocouple Microelectrodes emit laser beams to collect surface-enhanced Raman spectroscopy data;

[0025] Step 3: Test the cyclic voltammetry curves of the formic acid system at different temperatures; test the surface-enhanced Raman spectrum of formic acid when the temperature is increased instantaneously under various constant potentials.

[00...

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PUM

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Abstract

The invention discloses a micro high-frequency warming electrochemical-surface enhanced Raman spectrum detection system which comprises a high frequency alternating current signal generator, a spectrum electrolytic tank, a thermocouple digital readout thermometer, a constant potential rectifier, a printed circuit board and a confocal Raman spectrometer. A microelectrode of a thermocouple is heatedand warmed by means of a high-frequency warming technology, the temperature is monitored in real time through the thermocouple digital readout thermometer, the potential of the electrode is changed by means of an electrochemical technology, and meanwhile, a spectrum sampling research on a research system is carried out by means of the confocal Raman spectrometer. The system process is simple andconvenient to operate, extremely high and stable in heating rate and sensitive to detect, and provides a convenient, systematic, novel and cheap detection technology and method for the research systemof warming electrochemical-surface enhanced Raman spectrum.

Description

technical field [0001] The invention relates to the combined use of high-frequency alternating current heating thermocouple microelectrode technology, electrochemical technology and surface-enhanced Raman spectroscopy technology, in particular to a new micro-area high-frequency heating electrochemical-surface-enhanced Raman spectroscopy detection system. Background technique [0002] The traditional heating method is to raise the overall temperature of the system under study by means of electric heating plate or constant temperature bath, but the disadvantage of this method is that the heating rate is slow, and under normal temperature and pressure, the temperature cannot exceed the boiling point of the system under study. The research beyond the boiling point of the solution needs to be carried out under high pressure, which has high requirements on the equipment and the safety factor is not as good as the research under normal temperature conditions. With the continuous ad...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/65G01N27/48
CPCG01N21/658G01N27/48
Inventor 汤儆谢文昌凌云张亚真潘鹤李梦凯
Owner FUZHOU UNIV
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