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Seal Raman spectrum electrolytic cell

A Raman spectroscopy, electrolytic cell technology, applied in the field of electrolytic cells

Inactive Publication Date: 2015-04-08
XIAOSHAN BIOENG CENT OF YANGTZE DELTA REGION INST OF TSINGHUA UNIV ZHEJIANG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a sealed Raman spectroscopy electrolytic cell, thereby solving the above-mentioned problems in the prior art. The electrolytic cell of the present invention should have the advantages of small size, good portability, simple and easy assembly, and high Heat dissipation module, the signal is not easy to lose, etc.

Method used

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  • Seal Raman spectrum electrolytic cell

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Embodiment 1

[0018] A gold film with a thickness of 100 nm was deposited on the surface of freshly dissociated mica flakes by vacuum evaporation, followed by H 2 SO 4 0.5M, aniline 0.15M solution electrochemically deposited a polyaniline film with a thickness of 50nm on the gold film, washed the polyaniline film with sulfuric acid solutions of pH 1 and 3 in turn, transferred to the spectrum electrolytic cell and injected K 2 SO 4 0.01M, pH3 electrolyte, according to figure 1 Assemble the spectral electrolytic cell in the following way: place the electrode modified by polyaniline in the center of the copper base, connect the front of the electrode to the conductive base with conductive copper tape, and fix it with the polytetrafluoroethylene cavity through bolts, platinum wire electrode Put it into the cavity as a cathode, and perform Raman spectrum characterization measurements at -0.1, -0.2, -0.3, -0.4V vs Ag / AgCl voltages, respectively.

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Abstract

The invention relates to an electrolytic cell. The electrolytic cell comprises a metal base, a cavity and a sealing cover, wherein the metal base is used for radiating and supporting a working electrode; the cavity is packaged together with the base by virtue of a nut, so that a sealing manner of the electrolytic cell is ensured; the sealing cover is used for sealing an electrolyte to prevent a liquid from being evaporated to avoid loss of Raman signals, an optical glass window is arranged at the bottom of the sealing cover, and laser vertically penetrates through an optical window to irradiate the surface of the working electrode, so that the collection of a Raman signal is facilitated.

Description

technical field [0001] The invention relates to an electrolytic cell. In particular, the invention relates to a sealed electrolytic cell for Raman spectroscopy. Background technique [0002] Raman spectroscopy is a powerful material characterization technique that can provide molecular structure information of substances. Each Raman vibration peak matches a certain fixed chemical bond, and the Raman scattering of water is very weak. Raman spectroscopy is a research Ideal tool for electrochemical reactions at solid-liquid interfaces. If the Raman spectroscopy technique is combined with the study of the electrochemical electrode reaction mechanism, it can be used to measure the type and concentration of electrochemically active particles in the solution and their changes with time and electrode potential, and to study the kinetics of the electrode process and the electrode electrolyte solution. interface properties. [0003] An ideal Raman spectroscopic electrolytic cell sh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/28G01N21/65
Inventor 王晓东吕志荣叶嘉明周海梦
Owner XIAOSHAN BIOENG CENT OF YANGTZE DELTA REGION INST OF TSINGHUA UNIV ZHEJIANG