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Inside and outside reflection-switchable surface infrared spectrum pool device

A technology of infrared spectroscopy and internal reflection, applied in the field of infrared spectroscopy, can solve problems such as difficult and simple conversion, and achieve the effect of simple and stable structure

Inactive Publication Date: 2008-02-27
FUDAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the two modes can only be used separately, that is, each requires a different optical path system and electrolytic cell device, so it is not easy to easily switch between the internal reflection mode and the external reflection mode

Method used

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  • Inside and outside reflection-switchable surface infrared spectrum pool device
  • Inside and outside reflection-switchable surface infrared spectrum pool device
  • Inside and outside reflection-switchable surface infrared spectrum pool device

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Embodiment Construction

[0020] The specific structure of the device is mainly composed of an electrolytic cell, a reference electrode, a counter electrode, a silicon semi-cylindrical (internal reflection mode) and a calcium fluoride semi-cylindrical (external reflection mode). The silicon half cylinder and the calcium fluoride half cylinder have a diameter of 20 mm and a height of 25 mm. The specific preparation steps are as follows, (1) Internal reflection mode:

[0021] ① First, gold nano-film is chemically plated on the surface of the silicon wafer, and then a platinum film layer is electroplated on the surface of the gold nano-film as a working electrode. ②The surface of the platinum thin film electrode is covered with a silicon rubber ring to prevent the electrolyte from overflowing, and it is put into the electrolytic cell. ③ Insert the reference electrode and the counter electrode into the electrolytic cell, which constitutes the three-electrode system for electrochemical spectroscopic testin...

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Abstract

The invention belongs to infrared spectroscopy technical field; specifically a surface infrared spectroscopy device that internal and outer reflection can be switched. The spectroscopy device was composed of internal reflected mode coupling electrode or outer reflected mode working electrode, the reference electrode, outer reflected mode-coupling electrode, electrolytic bath, internal reflected mode silicon semi-cylindrical infrared window or outer reflected mode calcium fluoride semi-cylindrical infrared window. The internal reflected mode coupling electrode or outer reflected mode working electrode, the reference electrode, outer reflected mode-coupling electrode comprises the three-electrode system placed in the electrolytic bath, internal reflected mode silicon infrared window or outer reflected mode calcium fluoride infrared window was placed under the electrolytic bath. The surface infrared spectroscopy device presented by this invention can be used to in internal reflected mode and outer reflected mode, convenient to switch. This device can be used to detect electrochemical real-time infrared spectroscopy signals, simple in structure, stable, convenient and easy to operate.

Description

technical field [0001] The invention belongs to the technical field of infrared spectroscopy, and in particular relates to a surface infrared spectroscopy pool device, which can be applied to electrochemical surface infrared spectroscopy research and can also be used to evaluate surface infrared absorption effects. Background technique [0002] Electrochemical surface science is the cutting-edge interdisciplinary field of electrochemistry and surface chemistry research. The application and development of various high-sensitivity and specific on-site spectroscopy, scanning microprobes and quartz microbalances have promoted the application and development of electrochemical surface science. Among the in situ spectroscopic study methods of electrode surfaces, surface infrared spectroscopy [1] is surface-enhanced Raman spectroscopy [2] In addition, it is another important analytical tool that provides information on the molecular structure of the electrode interface. Surface ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/35G01N21/03G01N21/75
Inventor 蔡文斌薛晓康严彦刚
Owner FUDAN UNIV
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