CN103389280A - Flow electrolytic cell for ultraviolet-visible spectrum - Google Patents
Flow electrolytic cell for ultraviolet-visible spectrum Download PDFInfo
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- CN103389280A CN103389280A CN2013103418683A CN201310341868A CN103389280A CN 103389280 A CN103389280 A CN 103389280A CN 2013103418683 A CN2013103418683 A CN 2013103418683A CN 201310341868 A CN201310341868 A CN 201310341868A CN 103389280 A CN103389280 A CN 103389280A
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Abstract
The invention relates to an electrolytic cell. The electrolytic cell comprises a base, a cavity and an optical window, wherein the base is used for supporting a working electrode; the cavity and the base are packaged together by a nut, thus ensuring the sealing of the electrolytic cell; and ultraviolet-visible light vertically passes through the optical window and shines on the surface of the working electrode.
Description
Technical field
The present invention relates to a kind of electrolytic cell.Especially, the present invention relates to a kind of for flowing the uv-vis spectra electrolytic cell.
Background technology
The ultraviolet-visible Zymography is a kind of powerful material characterization technique, and the molecular structure information of material can be provided, and each absorption peak meeting and a certain fixedly chemical bond are complementary, and is the ideal tools of research solid-liquid interface electrochemical reaction.If the ultraviolet-visible Zymography is combined with the research of electrochemical electrode reaction mechanism, just formed a new subject: the spectroelectrochemistry method, the method is since proposing the seventies, oneself obtains development at full speed, oneself becomes the individual branches of electrochemical analysis, be used to measure the kind, concentration of electrochemical activity particle in solution and in time, variation, Electrode process kinetics and the electrode electrolyte solution interface character of electrode potential.
Spectroelectrochemistry technology is when being applied to galvanochemistry and spectral investigation field, key is the design of spectrum electrochemical pool, it is simple that desirable spectrum electrolytic cell should have assembling, the cavity good airproof performance, in thin layer solution everywhere electric-field intensity distribution evenly, easily fill the characteristics such as cleaning.Spectrum electrolytic cell commonly used often complex structure, make difficulty, usable range is restricted greatly, also deposits the electrolytic solution problem of aging brought in the hermetic electrolyte pond simultaneously.Given this, develop a kind of simple, convenient disassembly that simultaneously possesses, the electrolytic cell with wider ultraviolet-visible spectrum wavelength coverage, higher optical sensitivity is necessary, and this has great importance in research solid-liquid interface electrochemical reaction field.
Summary of the invention
The purpose of this invention is to provide a kind of sealing Raman spectrum electrolytic cell, thereby solve the above-mentioned problems in the prior art, this electrolytic cell of the present invention should have, volume is little, good portability, assembles the advantages such as simple, the difficult disappearance of signal
For achieving the above object, electrolytic cell of the present invention comprises:
Metab, cavity, optical window, electrolytic solution is imported and exported.
Described cavity and gland bonnet are made by the processing polytetrafluoroethylregenerated material of CNC numerically-controlled machine.
The circle centre position of described base has optical window, and optical window is comprised of quartz glass plate, guarantees the permeability to light.
Described base and cavity are packaged together by nut, have guaranteed the enclosure-type of electrolytic cell.
Open 3 place's apertures on described cavity, 1 place's macropore, be respectively airport, the contrast electrode hole, and to electrode hole, the working electrode hole.
Typically, working electrode is fixed on electrolytic cell inside by the working electrode hole, and working electrode surface is perpendicular to light path.
Typically, the distance of working electrode and optical window can be finely tuned, and can reduce the loss of signal brought because of electrolytic solution thickness.
Typically, the cavity both sides are equipped with solution and import and export, and with peristaltic pump, are connected, and guarantee the immediate updating of solution in electrolytic cell.
The accompanying drawing explanation
Fig. 1. be hermetic electrolyte of the present invention pond diagrammatic cross-section.
In figure: 1, working electrode hole, 2, the contrast electrode hole, 3, cavity, 4, fluid hole, 5, bolt, 6, base, 7, optical window, 8, to electrode hole, 9, inlet opening.
Specific embodiments
The platinum disk electrode is done respectively to mechanical buffing and electrochemical polishing treatment, after obtaining mirror effect, at H
2sO
40.5M the polyaniline film that is 50nm with electrochemical method at electrode deposition thickness in the solution of aniline 0.15M, rinse polyaniline film well successively with the sulfuric acid solution of pH1 and 3, transfer in the spectrum electrolytic cell and inject K
2sO
40.01M, the electrolytic solution of pH3, assemble the spectrum electrolytic cell according to the mode of Fig. 1: the platinum disk electrode that will cross through Polyaniline-modified is put into the working electrode hole, by bolt and teflon cavity, be fixed together, adjust the distance of working electrode and optical window, the spacing that keeps 1cm, subsequently platinum electrode and Ag/AgC are put into respectively to cavity as to electrode and contrast electrode, the import of solution connects peristaltic pump, outlet connects waste liquid pool, adjusting the syringe pump rotating speed makes after solution flow rate in electrolytic cell reaches 10ml/min, respectively-0.1,-0.2,-0.3,-0.4Vvs Ag/AgC1 voltage carries out the UV Vis Spectroscopic Characterization measurement.
Golden disk electrode is done respectively to mechanical buffing and electrochemical polishing treatment, after obtaining mirror effect, at H
2sO
40.5M the polyaniline film that is 50nm with electrochemical method at electrode deposition thickness in the solution of aniline 0.15M, rinse polyaniline film well successively with the sulfuric acid solution of pH1 and 3, transfer in the spectrum electrolytic cell and inject K
2sO
40.01M, the electrolytic solution of pH3, assemble the spectrum electrolytic cell according to the mode of Fig. 1: the platinum disk electrode that will cross through Polyaniline-modified is put into the working electrode hole, by bolt and teflon cavity, be fixed together, adjust the distance of working electrode and optical window, the spacing that keeps 1cm, subsequently platinum electrode and Ag/AgC are put into respectively to cavity as to electrode and contrast electrode, the import of solution connects peristaltic pump, outlet connects waste liquid pool, adjusting the syringe pump rotating speed makes after solution flow rate in electrolytic cell reaches 10ml/min, respectively-0.1,-0.2,-0.3,-0.4V vs Ag/AgC1 voltage carries out the UV Vis Spectroscopic Characterization measurement.
Claims (10)
1. a mobile uv-vis spectra electrolytic cell, is characterized in that, described mobile uv-vis spectra electrolytic cell comprises: base, and cavity, optical window, electrolytic solution is imported and exported.
2. mobile uv-vis spectra electrolytic cell according to claim 1, is characterized in that, cavity and base are made by the processing polytetrafluoroethylregenerated material of CNC numerically-controlled machine.
3. mobile uv-vis spectra electrolytic cell according to claim 1, is characterized in that, the circle centre position of base has optical window.
4. mobile uv-vis spectra electrolytic cell according to claim 1, is characterized in that, optical window is comprised of quartz glass plate, guarantees the permeability to light.
5. mobile uv-vis spectra electrolytic cell according to claim 1, is characterized in that, base and cavity are packaged together by nut, have guaranteed the flow-type of electrolytic cell.
6. by mobile uv-vis spectra electrolytic cell claimed in claim 1, it is characterized in that, open 3 place's apertures on cavity, 1 place's macropore, be respectively airport, the contrast electrode hole, and to electrode hole, the working electrode hole.
7. by mobile uv-vis spectra electrolytic cell claimed in claim 1, it is characterized in that, working electrode is fixed on electrolytic cell inside by the working electrode hole, and working electrode surface is perpendicular to light path.
8. by mobile uv-vis spectra electrolytic cell claimed in claim 1, it is characterized in that, working electrode can be golden disk electrode, also can be the platinum disk electrode.
9. by mobile uv-vis spectra electrolytic cell claimed in claim 1, it is characterized in that, the distance of working electrode and optical window can be finely tuned, and can reduce the loss of signal brought because of electrolytic solution thickness.
10. by mobile uv-vis spectra electrolytic cell claimed in claim 1, it is characterized in that, the cavity both sides are equipped with solution and import and export, and with peristaltic pump, are connected, and guarantee the immediate updating of solution in electrolytic cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103418683A CN103389280A (en) | 2013-08-07 | 2013-08-07 | Flow electrolytic cell for ultraviolet-visible spectrum |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013103418683A CN103389280A (en) | 2013-08-07 | 2013-08-07 | Flow electrolytic cell for ultraviolet-visible spectrum |
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| CN103389280A true CN103389280A (en) | 2013-11-13 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104330153A (en) * | 2014-10-11 | 2015-02-04 | 深圳市开天源自动化工程有限公司 | Method for measuring intensity of ultraviolet light |
| CN104535553A (en) * | 2014-12-26 | 2015-04-22 | 杭州霆科生物科技有限公司 | Flowing electrolytic tank for Raman spectrum |
| CN107541727A (en) * | 2016-06-28 | 2018-01-05 | 深圳市水务科技有限公司 | Utilize the ultraviolet method that elemental metals surface forms electrical potential difference in the solution |
| CN108732215A (en) * | 2018-05-18 | 2018-11-02 | 厦门大学 | A kind of electrochemical in-situ spectrum electrolytic cell and application |
| CN113030202A (en) * | 2020-06-12 | 2021-06-25 | 北京科技大学 | Electrochemical in-situ thin-layer flow electrolytic cell and detection method and application thereof |
Citations (5)
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| CN2526832Y (en) * | 2001-04-25 | 2002-12-18 | 南京大学 | Mini-multifunctional spectroscopy electrochemical flow tank |
| JP2005233884A (en) * | 2004-02-23 | 2005-09-02 | System Instruments Kk | Ultraviolet and visible light absorption spectrum measuring instrument for powder or sample piece brought into block with powder using evanescent wave |
| CN201007715Y (en) * | 2007-02-15 | 2008-01-16 | 厦门大学 | Flow system electrochemiluminescence electrolyser for indium-stannum oxide glass electrode |
| CN101776574A (en) * | 2010-02-09 | 2010-07-14 | 新疆医科大学 | Flow cell device suitable for synchronous on-line detection of absorption spectrum and fluorescence spectrum |
| CN102749371A (en) * | 2012-07-18 | 2012-10-24 | 哈尔滨工业大学 | Electrolytic cell with rapid spectrum characterization function, and spectrum characterization method |
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2013
- 2013-08-07 CN CN2013103418683A patent/CN103389280A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2526832Y (en) * | 2001-04-25 | 2002-12-18 | 南京大学 | Mini-multifunctional spectroscopy electrochemical flow tank |
| JP2005233884A (en) * | 2004-02-23 | 2005-09-02 | System Instruments Kk | Ultraviolet and visible light absorption spectrum measuring instrument for powder or sample piece brought into block with powder using evanescent wave |
| CN201007715Y (en) * | 2007-02-15 | 2008-01-16 | 厦门大学 | Flow system electrochemiluminescence electrolyser for indium-stannum oxide glass electrode |
| CN101776574A (en) * | 2010-02-09 | 2010-07-14 | 新疆医科大学 | Flow cell device suitable for synchronous on-line detection of absorption spectrum and fluorescence spectrum |
| CN102749371A (en) * | 2012-07-18 | 2012-10-24 | 哈尔滨工业大学 | Electrolytic cell with rapid spectrum characterization function, and spectrum characterization method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104330153A (en) * | 2014-10-11 | 2015-02-04 | 深圳市开天源自动化工程有限公司 | Method for measuring intensity of ultraviolet light |
| CN104535553A (en) * | 2014-12-26 | 2015-04-22 | 杭州霆科生物科技有限公司 | Flowing electrolytic tank for Raman spectrum |
| CN107541727A (en) * | 2016-06-28 | 2018-01-05 | 深圳市水务科技有限公司 | Utilize the ultraviolet method that elemental metals surface forms electrical potential difference in the solution |
| CN108732215A (en) * | 2018-05-18 | 2018-11-02 | 厦门大学 | A kind of electrochemical in-situ spectrum electrolytic cell and application |
| CN113030202A (en) * | 2020-06-12 | 2021-06-25 | 北京科技大学 | Electrochemical in-situ thin-layer flow electrolytic cell and detection method and application thereof |
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Application publication date: 20131113 |