CN104614428A - Nano-silver ink-based inkjet printing silver/silver chloride reference electrode and preparation method thereof - Google Patents
Nano-silver ink-based inkjet printing silver/silver chloride reference electrode and preparation method thereof Download PDFInfo
- Publication number
- CN104614428A CN104614428A CN201510099912.3A CN201510099912A CN104614428A CN 104614428 A CN104614428 A CN 104614428A CN 201510099912 A CN201510099912 A CN 201510099912A CN 104614428 A CN104614428 A CN 104614428A
- Authority
- CN
- China
- Prior art keywords
- silver
- electrode layer
- electrode
- silver chloride
- reference electrode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The invention discloses a preparation method for a nano-silver ink-based inkjet printing silver/silver chloride reference electrode. The silver/silver chloride reference electrode comprises a substrate, a silver electrode layer and a silver chloride electrode layer, wherein the silver electrode layer is positioned on the substrate; the silver chloride electrode layer is positioned on one part of the silver electrode layer. The silver/silver chloride reference electrode disclosed by the invention is prepared by plating the silver chloride electrode layer on the silver electrode layer according to an electroplating method by taking nano-silver ink which can be used for inkjet printing as a carrier. Meanwhile, experiments prove that the silver/silver chloride reference electrode prepared according to an inkjet printing technology disclosed by the invention can replace the conventional silver/silver chloride reference electrode in three-electrode system electrochemical detection; a prerequisite condition is provided for further processing and preparing a plane integration sensor electronic chip which can be directly used for biological and food detection; the quick and low-cost processing of the silver/silver chloride reference electrode is realized by preparing the silver/silver chloride reference electrode through inkjet printing; the preparation method is high in controllability, and applicable to industrial large-scale production.
Description
Technical field
The invention belongs to electronic chip field, relate to a kind of preparation method based on silver ink ink jet printing silver/silver chloride reference electrode.
Background technology
In recent years, food security becomes a large focus of public attention, the residues of pesticides in test vegetable and fruit, and in test food (such as milk, milk powder), the content of harmful adjuvant becomes a large active demand in daily life.When in laboratory conditions Electrochemical Detection being carried out to residues of pesticides or harmful adjuvant, normally used three-electrode system as shown in Figure 3, in this system, three electrodes are independent of one another, erection is complicated, be difficult to be applied under daily condition, realize at present in the urgent need to the detection to objectionable impurities in daily life.For addressing this problem, develop the Planar integration three electrodic electron chip that can be convenient for carrying and apply imperative.
Planar integration three-electrode system chip, the advantage such as it has quick detection, be easy to carry, makes three-electrode system can be used for more, wider detection.In three-electrode system, working electrode is with relative simple to the complanation of electrode, its key point is present in the complanation of silver-silver chloride reference electrode, namely traditional contrast electrode directly can not move Planar integration three-electrode system chip to, and this just needs us first to prepare to may be used for the stable plane silver/silver chloride reference electrode detected.
Ink jet printing is quick, and low cost is contactless, the New Processing of printing on demand, is often used to industrially P.e.c. and electronic chip, is therefore selected the first-selected processing mode as preparing silver-silver chloride reference electrode by us.Planar reference electrode obtained in this way, traditional silver/silver chloride reference electrode can be replaced to form Planar integration three-electrode system electronic chip, realize the detection easily and efficiently to daily objectionable impurities, and it prepares simple, reproducible, with low cost, be applicable to from laboratory toward the conversion of suitability for industrialized production.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of based on silver ink printing silver/silver chloride reference electrode preparation method, its simple operation, controllability is strong, and preparation cost is low, is applicable to industrialization large-scale production.
For achieving the above object, after deliberation, the invention provides following technical scheme:
1.based on the preparation method of silver ink ink jet printing silver/silver chloride reference electrode, it is characterized in that, comprise substrate, silver electrode layer, silver chloride electrode layer; Silver electrode layer is positioned on substrate; Silver chloride electrode layer covers silver electrode aspect and amasss larger foursquare one end and overlapping with silver electrode layer segment; Described silver electrode layer is positioned on described substrate and size is not more than substrate; Described silver chloride electrode layer is positioned at the top overlapping with silver electrode layer segment (Fig. 1) of described silver electrode layer.
Fig. 1 a silver electrode layer is partly as the contact be connected with electrochemical workstation when electroplating and test, and the silver electrode layer of Fig. 1 b part plays connection layout 1a part and Fig. 1 c effect partly.Fig. 1 c part is by being covered in suprabasil silver electrode layer and the silver chloride electrode layer be covered on silver electrode layer is formed (Fig. 2).
Preferably, the material forming described substrate be glass, polyethylene terephthalate (PET), Polyvinylchloride (PVC) or polyimide (PI) etc. (including but not limited to); The material forming described working electrode is Nano Silver.
2. based on the preparation method of silver ink ink jet printing silver/silver chloride reference electrode, comprise the following steps:
1) material solution forming silver electrode layer is printed in substrate according to preset shape (as Fig. 1) and position by ink jet printing, obtained silver electrode layer;
2) salt solusion Fig. 1 c part being put into chloride ion-containing is electroplated, and the silver electrode layer of c part surface is converted into silver chloride electrode layer;
3) silver/silver chloride reference electrode after plating is placed on saturated potassium chloride solution (silver chloride layer crystallization-stable does not come off, and ensures the stability of contrast electrode), the silver/silver chloride reference electrode of obtained ink jet printing;
Beneficial effect of the present invention: silver prepared by the present invention/silver chloride reference electrode with the silver ink of ink-jet printable for carrier, by printing silver electrode layer in substrate, then by plating, part silver electrode layer is converted into silver chloride electrode layer, realizes the preparation to plane silver/silver chloride reference electrode.Simultaneously, the present invention adopts ink-jet printing technology to prepare silver/silver chloride reference electrode, traditional silver/silver chloride reference electrode can be substituted and prepare Planar integration three-electrode system chip for detecting easily and efficiently, achieve three-electrode system for the detection of daily objectionable impurities instead of be only limited to laboratory, and prepare by ink jet printing quick, the low cost processing that silver/silver chloride reference electrode achieves silver/silver chloride reference electrode, controllability is strong, is applicable to industrialization large-scale production.
Accompanying drawing explanation
Fig. 1: ink jet printing silver/silver chloride reference electrode structure schematic diagram.
Fig. 2: the A-A cross section view of ink jet printing silver/silver chloride reference electrode structure schematic diagram, 1 is substrate, and 2 is silver electrode layer, and 3 is silver chloride electrode layer.
Fig. 3: common three-electrode system schematic diagram.
Fig. 4: the silver/silver chloride reference electrode schematic diagram of preparation, a, b region is silver electrode layer, and c region is silver-silver chloride electrode layer.
Fig. 5: a curve is silver/silver chloride reference electrode cycle volt-ampere curve figure prepared by ink jet printing, b curve is the commercialization silver/silver chloride reference electrode cycle volt-ampere curve figure contrasted with it, the wide * of the long * of test condition: 10mm*10mm*0.1mm(is thick) Pt sheet (Shanghai Chen Hua Instrument Ltd.) electrode as to electrode, electrolytic solution is 5mM potassium ferricyanide solution, sweep speed for 50mv/s, potential range is-0.2-0.6V.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.The experimental technique of unreceipted actual conditions in preferred embodiment, usually conveniently condition, or carry out according to the condition that reagent manufacturer advises.
As depicted in figs. 1 and 2,1 for substrate (PET), and 2 is silver electrode layer (as shown in a, b in Fig. 2) for the structure of silver/silver chloride reference electrode prepared by ink jet printing, and 3 is silver chloride electrode layer (cover in silver-colored electrode layer as shown in c in Fig. 2).
Silver ink, purchased from Kunshan Hisense Electronics Co., Ltd., can be directly used in inkjet printing, namely obtains Solid Silver electrode layer after sintering.
Shown in Fig. 1, adopt ink-jet printing technology to prepare silver/silver chloride reference electrode, its design as shown in Figure 1.Described ink jet printing adopts Dimatix 2800 ink-jet printer of Fujifilm company and is equipped with 10pL shower nozzle.Concrete steps are as follows:
1) by conductive silver ink (Jet-600C, Kunshan Hisense Electronics Co., Ltd.) be printed on (PET film is through cleaning, UVO process 30min) on PET film by ink jet printing, and the silver electrode layer (as shown in Figure 1) produced is made silver-colored ink sintering curing in 150 DEG C of heating 60min, then 24h in the vacuum drying chamber under 55 DEG C of conditions, obtained silver electrode layer;
2) by 1) in gained silver electrode in 5mm*5mm(Fig. 1 c) one end is placed in 0.1M NaCl solution completely and electroplates, plating takes constant voltage to electroplate, and plating conditions is 5V, and electroplating time is 60s;
3) silver/silver chloride reference electrode after plating is placed on standing 24h in saturated potassium chloride solution, makes the silver chloride layer obtained reach equilibrium state (silver chloride layer crystallization is saturated not to come off, and ensures the stability of contrast electrode).As shown in Figure 4, a of silver color, b part is conductive silver electrode layer to final obtained electrode finished product, and the c part of black is through the silver-silver chloride electrode layer of plating.
4) compared by the commercialization silver/silver chloride reference electrode of the silver of preparation/silver chloride reference electrode and purchase, whether silver/silver chloride reference the electrode of test preparation can substitute the commercialization silver/silver chloride reference electrode of purchase, and concrete operations are as follows:
Adopt three-electrode system test silver/silver chloride reference electrode, the wide * of the long * of 10mm*10mm*0.1mm(is thick) Pt sheet (Shanghai Chen Hua Instrument Ltd.) electrode as to electrode, working electrode adopts same glass-carbon electrode, contrast electrode adopts commercialization silver/silver chloride (the Shanghai Chen Hua Instrument Ltd.) contrast electrode bought, electrolytic solution is that (electrochemical behavior of potassium ferricyanide system in neutral aqueous solution system is reversible process to 5mM potassium ferricyanide solution, its oxidation peak and reduction peak symmetry, and system itself is very stable), sweep speed for 50mv/s, potential range is-0.2-0.6V, then, the silver prepared with ink jet printing/silver chloride reference electrode replaces above-mentioned contrast electrode, all the other conditions are constant, result as shown in Figure 5, wherein a curve is silver/silver chloride reference electrode cycle volt-ampere curve figure prepared by ink jet printing, and b curve is the commercialization silver/silver chloride reference electrode cycle volt-ampere curve figure contrasted with it.
The silver prepared/silver chloride reference electrode and traditional commercialization silver/silver chloride reference electrode have good consistance.Be embodied in two cyclic voltammetry curves and be close to coincidence.Commercialization silver/silver chloride reference anodizing the peak of contrast is 0.269V, and reduction peak is 0.192V, △ V=0.077V; Silver/silver chloride reference anodizing peak prepared by ink jet printing is 0.267V, reduction peak is 0.185V, △ V=0.082V, to move to left 0.002V compared to the commercialization silver/silver chloride reference anodizing peak of contrast, reduction peak has moved to left 0.007V, therefore silver/silver chloride reference the electrode of inkjet printing can replace commercial reference electrode in three-electrode system, provides condition precedent for developing Planar integration three-electrode system further.
What finally illustrate is, above preferred embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although by above preferred embodiment to invention has been detailed description, but those skilled in the art are to be understood that, various change can be made to it in the form and details, and not depart from claims of the present invention limited range.
Claims (3)
1. based on the preparation method of silver ink ink jet printing silver/silver chloride reference electrode, it is characterized in that, comprise substrate, silver electrode layer, silver chloride electrode layer; Silver electrode layer is positioned on substrate; Silver chloride electrode layer covers silver electrode aspect and amasss larger foursquare one end and partly overlap with silver-colored electrode layer; Described silver electrode layer is positioned on described substrate and size is not more than substrate; Described silver chloride electrode layer to be positioned on the larger square of the area of described silver electrode layer and overlapping with silver electrode layer segment.
2. as claimed in claim 1 based on the preparation method of silver ink ink jet printing silver/silver chloride reference electrode, it is characterized in that, the material forming described substrate is (including but not limited to these materials) such as glass, polyethylene terephthalate, Polyvinylchloride or polyimide; The material forming described working electrode is Nano Silver.
3. the preparation method based on silver ink ink jet printing silver/silver chloride reference electrode described in claim 1 or 2, is characterized in that, comprise the following steps:
1) material solution forming silver electrode layer is printed in substrate according to preset shape and position by ink jet printing, obtained silver electrode layer;
2) salt solusion one end of silver electrode being put into chloride ion-containing is electroplated, obtained silver chloride electrode layer;
3) silver/silver chloride reference electrode after plating is placed on saturated potassium chloride solution (silver chloride layer crystallization-stable does not come off, and ensures the stability of contrast electrode), the silver/silver chloride reference electrode of obtained ink jet printing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510099912.3A CN104614428A (en) | 2015-03-07 | 2015-03-07 | Nano-silver ink-based inkjet printing silver/silver chloride reference electrode and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510099912.3A CN104614428A (en) | 2015-03-07 | 2015-03-07 | Nano-silver ink-based inkjet printing silver/silver chloride reference electrode and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104614428A true CN104614428A (en) | 2015-05-13 |
Family
ID=53148972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510099912.3A Pending CN104614428A (en) | 2015-03-07 | 2015-03-07 | Nano-silver ink-based inkjet printing silver/silver chloride reference electrode and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104614428A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105334250A (en) * | 2015-10-23 | 2016-02-17 | 吴国清 | Silver/silver chloride electrode slice and preparation technology thereof |
| CN105699453A (en) * | 2016-01-24 | 2016-06-22 | 西南大学 | Preparation method and application of ink jet printing plane three-electrode system |
| CN110044984A (en) * | 2019-04-10 | 2019-07-23 | 华东师范大学 | A kind of technology of preparing of coplanar flexible electrochemical sensor electrode and array |
| CN115684302A (en) * | 2022-10-17 | 2023-02-03 | 南方科技大学 | Method for preparing flexible pH sensor through ink-jet printing |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102507688A (en) * | 2011-10-13 | 2012-06-20 | 中国科学院化学研究所 | Electrochemical biological sensor and preparation method and application thereof |
-
2015
- 2015-03-07 CN CN201510099912.3A patent/CN104614428A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102507688A (en) * | 2011-10-13 | 2012-06-20 | 中国科学院化学研究所 | Electrochemical biological sensor and preparation method and application thereof |
Non-Patent Citations (2)
| Title |
|---|
| ANNI MAATTANEN, ULRIIKA VANAMO, PETRI IHALAINEN, ET. AL: "A low-cost paper-based inkjet-printed platform for electrochemical analyses", 《SENSORS AND ACTUATORS B: CHEMICAL》 * |
| EVERSON THIAGO SANTOS GERONCIO DA SILVA, ET. AL: "Simple On-Plastic/Paper Inkjet-Printed Solid-State Ag/AgCl Pseudoreference Electrode", 《ANALYTICAL CHEMISTRY》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105334250A (en) * | 2015-10-23 | 2016-02-17 | 吴国清 | Silver/silver chloride electrode slice and preparation technology thereof |
| CN105699453A (en) * | 2016-01-24 | 2016-06-22 | 西南大学 | Preparation method and application of ink jet printing plane three-electrode system |
| CN110044984A (en) * | 2019-04-10 | 2019-07-23 | 华东师范大学 | A kind of technology of preparing of coplanar flexible electrochemical sensor electrode and array |
| CN110044984B (en) * | 2019-04-10 | 2021-10-15 | 华东师范大学 | Preparation technology of coplanar flexible electrochemical sensor electrode and array |
| CN115684302A (en) * | 2022-10-17 | 2023-02-03 | 南方科技大学 | Method for preparing flexible pH sensor through ink-jet printing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104614428A (en) | Nano-silver ink-based inkjet printing silver/silver chloride reference electrode and preparation method thereof | |
| CN107202823B (en) | A kind of ink jet printing prepares the method and its application of microelectrode array sensor | |
| Su et al. | Electrochemical oxidation and sensitive determination of acetaminophen in pharmaceuticals at poly (3, 4‐ethylenedioxythiophene)‐modified screen‐printed electrodes | |
| Figueiredo-Filho et al. | Inexpensive and disposable copper mini-sensor modified with bismuth for lead and cadmium determination using square-wave anodic stripping voltammetry | |
| CN105353009B (en) | A kind of screen printing electrode and its processing method based on Graphene conductive ink | |
| CN104977343B (en) | A kind of high performance biosensors based on graphene/mesoporous carbon nano-composite material and preparation method thereof | |
| Lesch et al. | Large scale inkjet-printing of carbon nanotubes electrodes for antioxidant assays in blood bags | |
| CN106290507A (en) | Use novel can spray printing titanium carbide/graphene oxide composite material method of preparing hydrogen peroxide electrochemical sensor | |
| CN103940871B (en) | A kind of photoelectrocatalysis chiral Recognition method of amino acid enantiomer | |
| CN106645348B (en) | A kind of preparation method of high stable microorganism electrochemical sensor | |
| CN107449816B (en) | All solid state ion selective electrode, preparation method and biosensor | |
| CN102507688B (en) | Electrochemical biological sensor and preparation method and application thereof | |
| Sfragano et al. | Sustainable printed electrochemical platforms for greener analytics | |
| Arvand et al. | Poly-l-cysteine/electrospun copper oxide nanofibers-zinc oxide nanoparticles nanocomposite as sensing element of an electrochemical sensor for simultaneous determination of adenine and guanine in biological samples and evaluation of damage to dsDNA and DNA purine bases by UV radiation | |
| Wang et al. | Understanding of the intensified effect of super gravity on hydrogen evolution reaction | |
| CN104698054A (en) | Non-enzymic glucose sensor of modified nanometer copper oxide screen-printed electrode | |
| CN108411333A (en) | A method of preparing hydrogen peroxide using the hydrophobic cathodic reduction oxygen of acetylene black | |
| Sibug-Torres et al. | Fully integrated 3D-printed electrochemical cell with a modified inkjet-printed Ag electrode for voltammetric nitrate analysis | |
| Tran et al. | Micro-patterning of single-walled carbon nanotubes and its surface modification with gold nanoparticles for electrochemical paper-based non-enzymatic glucose sensor | |
| Muratova et al. | Voltammetric vs. potentiometric sensing of dopamine: advantages and disadvantages, novel cell designs, fundamental limitations and promising options | |
| CN105784788B (en) | A kind of paper base flexibility dew cell and preparation method thereof | |
| CN203083964U (en) | Screen-printed electrode sensor prepared by nitrogen doped graphene and used for detecting bisphenol A | |
| CN104730135A (en) | Non-enzymatic glucose sensor for modifying screen-printed electrode based on nano composite material | |
| CN104713929A (en) | Method for preparing non-enzyme glucose sensor based on silk-screen printing | |
| CN105510391B (en) | A kind of electric pole type blood glucose strip |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150513 |