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Raman and infrared spectroscopic dual-purpose in-situ detection sealed electrolytic cell and using method thereof

A technology of infrared spectroscopy and in-situ detection, applied in the field of Raman and infrared spectroscopy detection, can solve the problems of hindering research and understanding, single test sample, difficult characterization and verification, etc., and achieve simple assembly, good signal strength, and easy-to-obtain materials Effect

Active Publication Date: 2020-03-31
UNIV OF SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, at this stage, Raman and infrared detection equipment can be realized at home and abroad. Generally, the applicable electrolytic cells are basically only for in-situ Raman or in-situ infrared detection. The test sample is single, and the structure is complex, difficult to assemble, and difficult to react. The follow-up characterization verification, especially for reactions that require an inert and sealed atmosphere, will hinder people's research and understanding of the mechanism of the intermediate process of this type of chemical reaction

Method used

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  • Raman and infrared spectroscopic dual-purpose in-situ detection sealed electrolytic cell and using method thereof
  • Raman and infrared spectroscopic dual-purpose in-situ detection sealed electrolytic cell and using method thereof
  • Raman and infrared spectroscopic dual-purpose in-situ detection sealed electrolytic cell and using method thereof

Examples

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Embodiment 1

[0129] In-situ Raman spectroscopy detection and analysis of single-layer graphene as the working electrode:

[0130] 1) The single-layer graphene grown on copper foil by CVD method was transferred to CaF 2 The optical window is used as a working electrode, which is lead out with copper foil conductive tape;

[0131] 2) In the argon glove box, according to the specific implementation steps, the electrochemical electrolysis cell is assembled, and then the in-situ detection of the Raman spectrum is carried out;

[0132] 3) The assembled electrolytic cell was connected to the electrochemical workstation, and the cyclic voltammetry test was performed, the scanning speed was set to 0.5mV / s, and the voltage window setting range was 0.001-3.0V. Before the electrochemical test, the initial Raman spectrum of the sample was collected first, and then the electrochemical workstation was triggered to collect the Raman spectrum according to the potential interval of 0.25V. Among them, the ...

Embodiment 2

[0135] In-situ infrared spectroscopy detection and analysis of single-layer graphene as the working electrode:

[0136] 1) The single-layer graphene grown on copper foil by CVD method was transferred to CaF 2 The optical window is used as a working electrode, which is lead out with copper foil conductive tape;

[0137] 2) In the argon glove box, according to the specific implementation steps, the electrochemical electrolytic cell is assembled, and then the in-situ detection of infrared spectrum is carried out;

[0138] 3) The assembled electrolytic cell was connected to the electrochemical workstation, and the cyclic voltammetry test was performed, the scanning speed was set to 0.5mV / s, and the voltage window setting range was 0.001-3.0V. Before the electrochemical test, the initial infrared spectrum of the sample was collected first, and then the electrochemical workstation was triggered to collect the infrared spectrum according to the potential interval of 0.1V. Among the...

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Abstract

The invention provides a Raman and infrared spectrum dual-purpose in-situ detection sealed electrolytic cell which is easy to assemble and high in sealing property. The invention further provides a method for in-situ light detection by using the Raman and infrared spectrum dual-purpose in-situ detection sealed electrolytic cell. The invention further provides the application of the Raman and infrared spectrum dual-purpose in-situ detection sealed electrolytic cell in the in-situ light detection.

Description

technical field [0001] The invention relates to the field of Raman and infrared spectrum detection, in particular to a Raman and infrared spectrum dual-purpose in-situ detection sealed electrolytic cell, a method for using the same and an application thereof. Background technique [0002] The application of Raman spectroscopy covers many fields such as physics, chemistry, biology, environmental science and material science. It reflects the information of molecular vibration and rotation of the measured sample, and is used for the research and analysis of molecular structure. Infrared spectroscopy reflects the infrared absorption of material molecules, and is used to detect chemical bonds and functional groups of the measured substances, and is widely used in organic chemistry. Raman and infrared spectroscopy belong to the same molecular spectrum. When a molecule vibrates, if the dipole moment of the molecule changes, an infrared absorption spectrum will be generated instead ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/3563G01N21/65G01N27/28
CPCG01N21/3563G01N21/65G01N27/28
Inventor 朱彦武王向阳
Owner UNIV OF SCI & TECH OF CHINA