CN104502430A - Seal Raman spectrum electrolytic cell - Google Patents
Seal Raman spectrum electrolytic cell Download PDFInfo
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- CN104502430A CN104502430A CN201410839731.5A CN201410839731A CN104502430A CN 104502430 A CN104502430 A CN 104502430A CN 201410839731 A CN201410839731 A CN 201410839731A CN 104502430 A CN104502430 A CN 104502430A
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- electrolytic cell
- raman spectrum
- cell according
- cavity
- spectrum electrolytic
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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
The present invention relates to a kind of electrolytic cell.Especially, the present invention relates to one for sealing Raman spectrum electrolytic cell.
Background technology
Raman spectrum analysis method is a kind of powerful material characterization technique, the molecular structure information of material can be provided, each Raman vibration peak meeting and a certain fixing chemical bond match, and the Raman scattering of water is very faint, and Raman spectrum is the ideal tools of research solid-liquid interface electrochemical reaction.If the research of Raman spectroscopy with electrochemical electrode reaction mechanism is combined, can be used for measuring the kind of electrochemical activity particle in solution, concentration and in time, change, Electrode process kinetics and the electrode electrolyte solution interface character of electrode potential.
It is simple that desirable Raman spectrum electrolytic cell should have assembling, cavity good airproof performance, there is the features such as good heat-sinking capability, for avoiding the interference of solution signal as far as possible, must thin layer of solution (electrode and window spacing are 0.1 ~ 1mm) be adopted. this point is particularly important for microscopic Raman system, the too thick meeting of optics window or solution layer causes the light path of microscopic system to change, and the collection efficiency of surface Raman signal is reduced exponentially.Conventional Raman spectrum electrolytic cell mainly has the following disadvantages: one is that the assembling of electrolytic cell electrolytic cell is loaded down with trivial details, and poor sealing; Two is when taking the photograph spectrum to electrode surface sample, and due to the thermal effect of laser, heat can not get timely diffusion, and causes the situation ubiquity of calcination sample.Given this, develop that a kind of to possess simple, to have high efficiency and heat radiation module electrolytic cell necessary simultaneously, this has great importance in research solid-liquid interface electrochemical reaction field.
Summary of the invention
The object of this invention is to provide a kind of sealing Raman spectrum electrolytic cell, thus solution the above-mentioned problems in the prior art, this electrolytic cell of the present invention should have, volume is little, good portability, assembles simple, have high efficiency and heat radiation module, signal such as not easily to lack at the advantage.
For achieving the above object, electrolytic cell of the present invention comprises:
Metab, cavity, gland bonnet.
Described cavity and gland bonnet are obtained by the processing polytetrafluoroethylregenerated material of CNC numerically-controlled machine.
Described metab is obtained by copper sheet, does through hole process at circle centre position, for dispelling the heat and forming conductive path with working electrode.
Described gland bonnet is buckled on electrolytic cell cavity, prevent liquid evaporate and cause Raman signal loss.
Described working electrode is the metal film electrode at mica sheet surface evaporation or sputtering, and working electrode is fixed on metab central authorities by conductive tape and forms conductive path with it.
Typically, gland bonnet is inner concave shape, and avris opens 2 apertures, and for placing platinum electrode and contrast electrode, the bottom center of gland bonnet is equipped with optical windshield simultaneously, and optical windshield and working electrode are spacing 0.1 ~ 1mm, ensures the collection of raman spectral signal.
Typically, electrolytic cell metab can be placed on low temperature cold drawing, thus reaches the needs of electrolyte temperature control.
Typically, base and cavity are packaged together by nut, ensure that the enclosure-type of electrolytic cell.
Accompanying drawing explanation
Fig. 1. be hermetic electrolyte pond of the present invention diagrammatic cross-section.
In figure: 1, contrast electrode, 2, gland bonnet, 3, cavity, 4, O-ring seal, 5, base, 6, working electrode, 7, platinum electrode, 8, bolt, 9, working electrode electric power connection line, 10, gland bonnet glass window.
Specific embodiments
Embodiment 1
The gold thin film that a layer thickness is 100nm is deposited, subsequently at H in fresh mica sheet surface of dissociating by vacuum vapour deposition
2sO
40.5M, in the solution of aniline 0.15M, electrochemically in gold thin film, deposit thickness is the polyaniline film of 50nm, is rinsed well successively by polyaniline film with the sulfuric acid solution of pH 1 and 3, to transfer in spectrum electrolytic cell and to inject K
2sO
40.01M, the electrolytic solution of pH3, spectrum electrolytic cell is assembled: the electrode crossed through Polyaniline-modified is placed on copper pedestal center according to the mode of Fig. 1, with conductive copper adhesive tape, electrode front is connected with conductive seat, be fixed together by bolt and teflon cavity, platinum electrode puts into cavity as negative electrode, respectively-0.1 ,-0.2 ,-0.3 ,-0.4V vs Ag/AgCl voltage carries out Raman Characterization measurement.
Claims (8)
1. seal a Raman spectrum electrolytic cell, it is characterized in that, described Raman spectrum electrolytic cell comprises: metab, cavity, gland bonnet.
2. Raman spectrum electrolytic cell according to claim 1, is characterized in that, cavity and gland bonnet are obtained by the processing polytetrafluoroethylregenerated material of CNC numerically-controlled machine.
3. Raman spectrum electrolytic cell according to claim 1, it is characterized in that, gland bonnet is buckled on electrolytic cell cavity, prevent liquid evaporate and cause Raman signal loss, the bottom center of gland bonnet is equipped with optical windshield, optical windshield and working electrode spacing are 0.1 ~ 1mm, ensure the collection of raman spectral signal.
4. Raman spectrum electrolytic cell according to claim 1, is characterized in that, base is obtained by circular copper sheet, and through hole process is done in the center of circle.
5. Raman spectrum electrolytic cell according to claim 1, is characterized in that, base and cavity are packaged together by nut, ensure that the enclosure-type of electrolytic cell.
6. by Raman spectrum electrolytic cell according to claim 1, it is characterized in that, metab can be placed on low temperature cold drawing, thus reaches the needs controlling electrolyte temperature.
7., by Raman spectrum electrolytic cell according to claim 1, it is characterized in that, gland bonnet is inner concave shape, and avris opens 2 apertures, for placing platinum electrode and contrast electrode.
8. by Raman spectrum electrolytic cell according to claim 1, it is characterized in that, working electrode is the metal film electrode at mica sheet surface evaporation or sputtering, and working electrode is fixed on metab central authorities by conductive tape and forms conductive path with it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410839731.5A CN104502430A (en) | 2014-12-26 | 2014-12-26 | Seal Raman spectrum electrolytic cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410839731.5A CN104502430A (en) | 2014-12-26 | 2014-12-26 | Seal Raman spectrum electrolytic cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104502430A true CN104502430A (en) | 2015-04-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410839731.5A Pending CN104502430A (en) | 2014-12-26 | 2014-12-26 | Seal Raman spectrum electrolytic cell |
Country Status (1)
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| CN (1) | CN104502430A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107132227A (en) * | 2017-05-11 | 2017-09-05 | 南开大学 | A kind of biomembrane film forming procedure online monitoring system and monitoring method |
| CN111896518A (en) * | 2020-06-22 | 2020-11-06 | 西安交通大学 | Electrocatalytic CO2In-situ Raman detection electrochemical cell for reducing and synthesizing hydrocarbon fuel |
| CN115753950A (en) * | 2022-11-14 | 2023-03-07 | 湖南大学 | Working distance adjustable canned type normal position raman spectrum electrolytic cell |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4802761A (en) * | 1987-08-31 | 1989-02-07 | Western Research Institute | Optical-fiber raman spectroscopy used for remote in-situ environmental analysis |
| CN2773674Y (en) * | 2004-11-03 | 2006-04-19 | 中国科学院长春应用化学研究所 | On-the-site electrochemical analytical pool for laser Raman spectroscopy |
| CN101788523A (en) * | 2010-02-01 | 2010-07-28 | 南京星银药业集团有限公司 | On-line detecting device of electrochemical process product |
| CN103399000A (en) * | 2013-08-09 | 2013-11-20 | 厦门大学 | Spectral electrolytic cell suitable for in-situ characterization of Raman spectrum |
-
2014
- 2014-12-26 CN CN201410839731.5A patent/CN104502430A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4802761A (en) * | 1987-08-31 | 1989-02-07 | Western Research Institute | Optical-fiber raman spectroscopy used for remote in-situ environmental analysis |
| CN2773674Y (en) * | 2004-11-03 | 2006-04-19 | 中国科学院长春应用化学研究所 | On-the-site electrochemical analytical pool for laser Raman spectroscopy |
| CN101788523A (en) * | 2010-02-01 | 2010-07-28 | 南京星银药业集团有限公司 | On-line detecting device of electrochemical process product |
| CN103399000A (en) * | 2013-08-09 | 2013-11-20 | 厦门大学 | Spectral electrolytic cell suitable for in-situ characterization of Raman spectrum |
Non-Patent Citations (1)
| Title |
|---|
| 连小兵: "电催化体系的原位拉曼光谱方法和电催化剂活性的电化学表征方法", 《万方学位论文数据库》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107132227A (en) * | 2017-05-11 | 2017-09-05 | 南开大学 | A kind of biomembrane film forming procedure online monitoring system and monitoring method |
| CN111896518A (en) * | 2020-06-22 | 2020-11-06 | 西安交通大学 | Electrocatalytic CO2In-situ Raman detection electrochemical cell for reducing and synthesizing hydrocarbon fuel |
| CN115753950A (en) * | 2022-11-14 | 2023-03-07 | 湖南大学 | Working distance adjustable canned type normal position raman spectrum electrolytic cell |
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Application publication date: 20150408 |
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