CN103645225B - A kind of organic semiconductor electrochemical testing device - Google Patents
A kind of organic semiconductor electrochemical testing device Download PDFInfo
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- CN103645225B CN103645225B CN201310655356.4A CN201310655356A CN103645225B CN 103645225 B CN103645225 B CN 103645225B CN 201310655356 A CN201310655356 A CN 201310655356A CN 103645225 B CN103645225 B CN 103645225B
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Abstract
The invention discloses a kind of organic semiconductor electrochemical testing device, device comprises working electrode assembly, contrast electrode assembly, electrochemical glass reaction tank assembly, electrochemical glass reaction tank seal assembly, wherein working electrode assembly comprises O type circle, circular glass carbon plate, copper frame fixed station, bolt, copper frame, screw, contrast electrode assembly comprises contrast electrode, salt bridge and rubber stopper with holes, rotating the bolt be assemblied on copper frame fixed station bottom rectangle groove can have the circular glass carbon plate of organic semiconducting materials to be pressed on O type circle by spin coating, and salt bridge end can infinitely near the circular glass carbon plate scribbling organic semiconducting materials.Implement the present invention spin coating method all can be adopted to prepare film forming for organic semiconducting materials that is solvable or that be insoluble to electrolyte solution to be fixed on disk glassy carbon electrode surface, using adorned glass-carbon electrode as working electrode, complete cyclic voltammetry characteristic test, substantially increase reliability and the science of experimental data.
Description
Technical field
The invention belongs to technical field of electrochemistry, more specifically, relate to a kind of organic semiconductor electrochemical testing device.
Background technology
ORGANIC ELECTROLUMINESCENCE DISPLAYS, also known as Organic Light Emitting Diode or organic light emitting display (OLED), it has all solid state, active illuminating, high brightness, high-contrast, ultra-thin, low cost, low-power consumption, without angle limitations and the plurality of advantages such as operating temperature range is wide, is considered to the technology of most possible replacement liquid crystal display.Organic solar batteries is all or part of constituent is organism, adopt conducting polymer or Small molecular to carry out the solar cell of light absorption and Charger transfer, change the energy gap (E of organic molecule mainly through the change equimolecular length of polymkeric substance and functional group further
g) improve battery efficiency.Generally speaking, the molar extinction coefficient of organic compound is general higher, as long as therefore there is a small amount of organism just can absorb a large amount of light.The photoelectric transformation efficiency of current organic solar batteries is more than 10%.Organism has the features such as cheap, flexible, makes it account in photovoltaic application and has great advantage.
In organic semiconducting materials, its highest occupied molecular orbital energy level (HOMO energy level is also ionization energy), corresponding to the energy of top of valence band; Lowest unoccupied molecular orbital energy level (lumo energy is also electron affinity), corresponding to the energy at the bottom of conduction band, organic semi-conductor galvanochemistry energy gap (Eg) is the difference of HOMO and lumo energy, wherein HOMO and lumo energy and energy gap E
gset forth the basic parameter of organic semiconducting materials working mechanism, in order to study the working mechanism of Organic Light Emitting Diode and organic solar batteries, application and production, the band structure parameter testing of organic semiconducting materials and analyze and become required means.
In conventional several method of testings, ultraviolet spectrum absorption process can only obtain band gap magnitude E
g, and with actual energy gap E
gphase ratio error is larger; Although Quantitative Calculation Method can obtain HOMO and the band gap magnitude E of material simultaneously
g, but be only applicable to the simple material of structure; In addition, photoelectron emissions analysis of spectrum also can be used for the sign of HOMO, but such instrument price costliness is not yet widely used.By contrast, electrochemical cyclic voltammetry can obtain the HOMO of organic semiconducting materials and lumo energy and band gap magnitude E simultaneously
g, and data are more scientific, and required experimental apparatus is cheap, simple to operate, easy to use, is therefore used widely.In order to realize electrochemical cyclic voltammetry to the mensuration of organic semiconducting materials band structure parameter and analysis, need the organic semiconductor electrochemical testing device of complete set science.
In existing organic semiconductor electro-chemical test system, mostly adopting organic semiconductor to be dissolved in electrolyte solution, is that the experimental program of working electrode carries out testing and analysis with glass-carbon electrode.In fact in organic solar batteries and organic luminescent device, organic semiconductor is all exist in the form of a film, therefore, the method adopting organic semiconductor to be dissolved in electrolyte solution is carried out cyclic voltammetry test and can be caused comparatively big experiment error, affects the reliability of data.
Summary of the invention
For above defect or the Improvement requirement of prior art, the invention provides a kind of organic semiconductor electrochemical testing device, organic semiconducting materials is made film with spin-coating method and carries out cyclic voltammetry characteristic test, to solve the technical matters that existing proving installation experimental error is comparatively large, data reliability is not enough.
The technical solution adopted for the present invention to solve the technical problems is, a kind of organic semiconductor electrochemical testing device is provided, comprise electrochemical glass reaction tank assembly and electrochemical glass reaction tank seal assembly, electrochemical glass reaction tank assembly is for holding electrolytic solution, electrochemical glass reaction tank seal assembly is used for sealing electrochemical glass reaction tank assembly, also comprise working electrode assembly and contrast electrode assembly
Described working electrode assembly comprises O type circle, circular glass carbon plate, copper frame fixed station, bolt, copper frame, screw, circular glass carbon plate is fixed by screws in the circular trough of copper frame section, on circular glass carbon plate, spin coating has organic semiconducting materials as working electrode, rotate the bolt be assemblied on copper frame fixed station bottom rectangle groove, make circular glass carbon plate be pressed on O type circle, O type circle is fixed on ground place, electrochemical glass reaction tank assembly side and contacts with electrolytic solution;
Contrast electrode assembly comprises contrast electrode, salt bridge and rubber stopper with holes, contrast electrode inserts in the middle circular hole of rubber stopper with holes, rubber stopper with holes is arranged on the round mouth of salt bridge, salt bridge is arranged on electrochemical glass reaction tank assembly opposite side ground interface, makes the unlimited circular glass carbon plate near scribbling organic semiconducting materials of salt bridge end.
In organic semiconductor electrochemical testing device of the present invention, described electrochemical glass reaction tank assembly comprises electrochemical glass reaction tank and is arranged on the nitrogen access equipment of electrochemical glass reaction tank side.
In organic semiconductor electrochemical testing device of the present invention, described electrochemical glass reaction tank seal assembly comprise electrochemical glass reaction tank gland bonnet, exhaust apparatus, rubber stopper, to electrode, electrochemical glass reaction tank gland bonnet is arranged on electrochemical glass reaction tank top, exhaust apparatus is installed on the first round mouth of electrochemical glass reaction tank gland bonnet, be arranged on the second round mouth of electrochemical glass reaction tank gland bonnet to electrode, the 3rd round mouth of rubber stopper sealed electrochemical glass reaction pond gland bonnet is for subsequent use.
In organic semiconductor electrochemical testing device of the present invention, the pin on described copper frame is fine copper pin and keeps up.
In organic semiconductor electrochemical testing device of the present invention, described rubber stopper external diameter with holes slightly larger than the round mouth of salt bridge, for sealing the round mouth of salt bridge.
In organic semiconductor electrochemical testing device of the present invention, described copper frame fixed station and screw are polytetrafluoroethylmaterial material.
In organic semiconductor electrochemical testing device of the present invention, described electrochemical glass reaction tank and nitrogen access equipment, electrochemical glass reaction tank and electrochemical glass reaction tank gland bonnet, to electrode, exhaust apparatus, between rubber stopper with electrochemical glass reaction tank gland bonnet, ground is all adopted to be connected.
In organic semiconductor electrochemical testing device of the present invention, the described platinum filament to electrode is connected with soldering with copper wire, and copper wire is encapsulated in the glass tube to electrode, only by the electrolyte contacts in platinum filament and electrochemical glass reaction tank.
Therefore, the present invention can obtain following beneficial effect: rotating the bolt be assemblied on copper frame fixed station bottom rectangle groove can have the circular glass carbon plate of organic semiconducting materials to be pressed on O type circle by spin coating, both ensure that the sealing of work, effective contact area of constant working electrode and electrolytic solution can be ensured again, and make the unlimited circular glass carbon plate near scribbling organic semiconducting materials of salt bridge end, ensure that contrast electrode and working electrode are as far as possible near to reduce voltage drop, reduce the systematic error of experiment.Namely the fixing of a kind of circular glass carbon plate working electrode of easy science and thrust unit is have devised by the present invention, spin coating method all can be adopted to prepare film forming for organic semiconducting materials that is solvable or that be insoluble to electrolyte solution and be fixed on disk glassy carbon electrode surface, using adorned glass-carbon electrode as working electrode, complete cyclic voltammetry characteristic test, substantially increase reliability and the science of experimental data.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the front elevation of organic semiconductor electrochemical testing device schematic diagram of the present invention;
Fig. 2 is the vertical view of organic semiconductor electrochemical testing device schematic diagram of the present invention;
Fig. 3 is the side view of organic semiconductor electrochemical testing device schematic diagram of the present invention;
Fig. 4 utilizes organic semiconductor electrochemical testing device of the present invention to test the DFTBT molecules circulate voltammetry curve map obtained;
Fig. 5 utilizes organic semiconductor electrochemical testing device of the present invention to test the P1 molecules circulate voltammetry curve map obtained;
Fig. 6 is ferrocene cyclic voltammetry curve map;
Fig. 7 is organic solar batteries semiconductor material DFTBT molecular structure;
Fig. 8 is DSSC semiconductor material P1 molecular structure of dye figure.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.In addition, if below in described each embodiment of the present invention involved technical characteristic do not form conflict each other and just can mutually combine.
As shown in Figure 1, Figure 2 and Figure 3, organic semiconducting materials electrochemical testing device of the present invention comprises working electrode assembly, contrast electrode assembly, electrochemical glass reaction tank assembly, electrochemical glass reaction tank seal assembly, wherein electrochemical glass reaction tank assembly is for holding electrolytic solution, electrochemical glass reaction tank seal assembly is used for sealing electrochemical glass reaction tank assembly
Working electrode assembly comprises O type circle 3, circular glass carbon plate 4, copper frame fixed station 5, bolt 6, copper frame 7, screw 8, and copper frame fixed station 5 and screw 8 all use polytetrafluoroethylmaterial material processing and fabricating; Circular glass carbon plate 4 is fixed in the circular trough of copper frame 7 section by screw 8, and the pin on copper frame 7 is fine copper pin and keeps up; On circular glass carbon plate 4, spin coating has organic semiconducting materials as working electrode, rotate the bolt 6 be assemblied on copper frame fixed station 5 bottom rectangle groove, make circular glass carbon plate 4 be pressed on O type circle 3, O type circle 3 is fixed on connector place, electrochemical glass reaction tank assembly side and contacts with electrolytic solution; By being pressed on O type circle 3 by the circular glass carbon plate 4 as working electrode, both ensure that the sealing of interface, in turn ensure that effective contact area of constant working electrode and electrolytic solution;
Contrast electrode assembly comprises contrast electrode 1, salt bridge 2 and rubber stopper with holes 13, contrast electrode 1 inserts in the middle circular hole of rubber stopper 13 with holes, on the round mouth that rubber stopper 13 with holes is arranged on salt bridge 2 and external diameter slightly larger than the round mouth of salt bridge 2, for sealing the round mouth of salt bridge 2, contrast electrode assembly is arranged on the ground interface of electrochemical glass reaction tank assembly side, make the unlimited circular glass carbon plate 4 near scribbling organic semiconducting materials of salt bridge 2 end, and then make contrast electrode 1 and working electrode glass carbon plate 4 as far as possible near to reduce voltage drop, reduce the systematic error of experiment;
Electrochemical glass reaction tank assembly comprises for holding the electrochemical glass reaction tank 9 of electrolytic solution and being arranged on the nitrogen access equipment 14 of electrochemical glass reaction tank 9 side, nitrogen access equipment 14, for guaranteeing to pass into sufficient nitrogen to get rid of dissolved oxygen DO in electrolytic solution for the interference of test, adopts ground to be connected to ensure the sealing of whole electrochemical testing device between electrochemical glass reaction tank 9 with nitrogen access equipment 14;
Electrochemical glass reaction tank seal assembly comprises electrochemical glass reaction tank gland bonnet 10, exhaust apparatus 11, rubber stopper 12, to electrode 15, be connected with soldering with copper wire platinum filament in electrode 15, copper wire is encapsulated in glass tube, only allows platinum filament and electrolyte contacts; Electrochemical glass reaction tank gland bonnet 10 is arranged on electrochemical glass reaction tank 9 top, exhaust apparatus 11 is installed on the first round mouth of electrochemical glass reaction tank gland bonnet 10, be arranged on the second round mouth of electrochemical glass reaction tank gland bonnet 10 to electrode 15, the 3rd round mouth of rubber stopper 12 sealed electrochemical glass reaction pond gland bonnet 10 is for subsequent use; Electrochemical glass reaction tank 9 and electrochemical glass reaction tank gland bonnet 10, to electrode 15, exhaust apparatus 11, all adopt ground to be connected to ensure the sealing of whole electrochemical testing device between rubber stopper 12 with electrochemical glass reaction tank gland bonnet 10.
Below in conjunction with specific embodiment, the present invention is elaborated.
Embodiment one:
In the organic semiconductor electrochemical testing device of the present embodiment, working electrode assembling components uses as follows: first by organic solar batteries semiconductor material DFTBT (a kind of derivant of spiral shell two fluorenes, be used in organic solar batteries) (molecular structure is as shown in Figure 7) be mixed with the acetonitrile solution of 2mM, get the above-mentioned solution of 100 μ L to be spin-coated on circular glass carbon plate 4 and to make thin film working electrode, finally put it in the circular trough of copper frame 7 section, circular glass carbon plate 4 fixed by copper frame screwing 8, copper frame 7 to be put on the rectangle chute bottom copper frame fixed station 5 and is allowed together with the circular groove cover of another section of copper frame 7 and the head of bolt 6 assemble, electrode pin simultaneously on guarantee copper frame 7 upwards.Electrochemical glass reaction tank 9 supplies to be equipped with sealing O type circle 3 in the fixing connector section circular groove of working electrode, along the rectangular channel turn bolt 6 bottom copper frame fixed station 5, the circular glass carbon plate 4 as working electrode is made tightly to be pressed on O type circle 3, existing like this sealing function, effective surface of contact of constant working electrode and electrolytic solution can be ensured again, the circular hole area namely in O type circle 3.
In the organic semiconductor electrochemical testing device of the present embodiment, contrast electrode assembling components uses as follows: close salt bridge switch, in salt bridge 2, add the supporting electrolyte that 3mL concentration is 0.1M perchloric acid tetrabutyl ammonia, contrast electrode 1 uses Ag/Ag
+contrast electrode, contrast electrode 1 inserts the middle circular hole of rubber stopper 13 with holes, and is arranged on salt bridge 2 round mouth by rubber stopper 13 with holes, and rubber stopper 13 external diameter with holes is slightly larger than salt bridge round mouth, has sealing function.Contrast electrode assembly is arranged on the side ground interface of chemical bath 9, makes salt bridge end unlimited near the circular glass carbon plate 4 of working electrode.
In the organic semiconductor electrochemical testing device of the present embodiment, the assembling of electrochemical glass reaction tank seal assembly is as follows: electrochemical glass reaction tank gland bonnet 10 is arranged on electrochemical glass reaction tank 9 top, exhaust apparatus 11 is installed on the first round mouth of electrochemical glass reaction tank gland bonnet 10, be arranged on the second round mouth of electrochemical glass reaction tank gland bonnet 10 to electrode 15, the 3rd round mouth of rubber stopper 12 sealed electrochemical glass reaction pond gland bonnet 10 is for subsequent use.
In the organic semiconductor electrochemical testing device of the present embodiment, electrochemical glass reaction tank assembling components uses as follows: nitrogen access equipment 14 is connected by ground with electrochemical glass reaction tank 9.After contrast electrode assembly and working electrode assembly install on electrochemical glass reaction tank 9, add in electrochemical glass reaction tank 9 50mL concentration be the acetonitrile solution of 0.1M perchloric acid tetrabutyl ammonia as electrolytic solution, and ensure the circular glass carbon plate 4 of submergence working electrode.Then electrochemical glass reaction tank gland bonnet 10 is connected to electrochemical glass reaction tank 9 top ground to sentence electrochemical glass reaction tank 9 is sealed.
Before carrying out galvanochemistry voltammetry testing and analyzing, utilize nitrogen access equipment 14 to pass into nitrogen to electrochemical glass reaction tank 9, the dissolved oxygen DO in solution is got rid of completely by exhaust apparatus 11.The electrode wire clamp of electrochemical workstation (is adopted Shanghai occasion China electrochemical workstation in the present embodiment, wherein electrode wire clamp Green corresponds to working electrode, white corresponds to contrast electrode, redness corresponds to electrode, black ground connection, yellow is the second working electrode, puts sky during experiment) be connected on respectively on 3 electrodes corresponding to this proving installation.Open opening operation software after electrochemical workstation, select cyclic voltammetry, test parameter is set: starting potential E=0V, ceiling voltage E=1.0V, minimum voltage E=-1.9V, voltage scan rate 0.1V s
-1, scanning hop count is 3, and initial sweep polarity is " positive ", sampling interval 0.001V, and time of repose is 10s, and sensitivity is 1 × 10
-2a V
-1, obtain cyclic voltammogram as shown in Figure 4.
In figure 4, respectively tangent line is done to the oxidation of cyclic voltammogram and reduction peak wave inception position, obtain the oxidizing potential relative to silver/silver chloride reference electrode: E
ox=0.66V and reduction potential are E
re=-1.31V, with reference to the accompanying drawings 6 displays, ferrocene is relative to the oxidizing potential i.e. half spike potential E of silver/silver ion contrast electrode
1/2, ferrocene=0.1V, and by inspection information handbook, the oxidizing potential E of ferrocene
1/2, ferrocene4.8eV is differed with its vacuum level.Therefore, the band structure parameter of this organic solar batteries semiconductor material DFTBT molecule is:
LUOM energy level=
-(E
re-E
1/2, ferrocene) eV+ (-4.8) eV=-(-1.31-0.1) eV+ (-4.8) eV=-3.39eV,
HOMO energy level=
-(E
ox-E
1/2, ferrocene) eV+ (-4.8) eV=-(0.66-0.1) eV+ (-4.8) eV=-5.36eV,
Galvanochemistry energy gap E
g=HOMO energy level-LUOM energy level=-3.39-(-5.36) eV=1.97eV.
Embodiment two:
In the organic semiconductor electrochemical testing device of the present embodiment, working electrode assembling components uses as follows: first by organic semiconducting materials P1 (p-type dye molecule, be used in p-type DSSC) (molecular structure is as shown in Figure 8) be mixed with the acetonitrile solution of 0.025mM, get the above-mentioned solution of 100 μ L to be spin-coated on circular glass carbon plate 4 and to make thin film working electrode, finally put it in the circular trough of copper frame 7 section, circular glass carbon plate 4 fixed by copper frame screwing 8, copper frame 7 to be put on the rectangle chute bottom copper frame fixed station 5 and is allowed together with the circular groove cover of another section of copper frame 7 and the head of bolt 6 assemble, electrode pin simultaneously on guarantee copper frame 7 upwards.Electrochemical glass reaction tank 9 supplies to be equipped with sealing O type circle 3 in the fixing connector section circular groove of working electrode, along the rectangular channel turn bolt 6 bottom copper frame fixed station 5, the circular glass carbon plate 4 as working electrode is made tightly to be pressed on O type circle 3, existing like this sealing function, effective surface of contact of constant working electrode and electrolytic solution can be ensured again, the circular hole area namely in O type circle 3.
In the organic semiconductor electrochemical testing device of the present embodiment, contrast electrode assembling components uses as follows: close salt bridge switch, in salt bridge 2, add the supporting electrolyte that 3mL concentration is 0.1M perchloric acid tetrabutyl ammonia, contrast electrode 1 uses Ag/Ag
+contrast electrode, contrast electrode 1 inserts the middle circular hole of rubber stopper 13 with holes, and is arranged on salt bridge 2 round mouth by rubber stopper 13 with holes, and rubber stopper 13 external diameter with holes is slightly larger than salt bridge round mouth, has sealing function.Contrast electrode assembly is arranged on the side ground interface of chemical bath 9, makes salt bridge end unlimited near the circular glass carbon plate 4 of working electrode.
In the organic semiconductor electrochemical testing device of the present embodiment, the assembling of electrochemical glass reaction tank seal assembly is as follows: electrochemical glass reaction tank gland bonnet 10 is arranged on electrochemical glass reaction tank 9 top, exhaust apparatus 11 is installed on the first round mouth of electrochemical glass reaction tank gland bonnet 10, be arranged on the second round mouth of electrochemical glass reaction tank gland bonnet 10 to electrode 15, the 3rd round mouth of rubber stopper 12 sealed electrochemical glass reaction pond gland bonnet 10 is for subsequent use.
In the organic semiconductor electrochemical testing device of the present embodiment, electrochemical glass reaction tank assembling components uses as follows: nitrogen access equipment 14 is connected by ground with electrochemical glass reaction tank 9.After contrast electrode assembly and working electrode assembly install on electrochemical glass reaction tank 9, add in electrochemical glass reaction tank 9 50mL concentration be the acetonitrile solution of 0.1M perchloric acid tetrabutyl ammonia as electrolytic solution, and ensure the circular glass carbon plate 4 of submergence working electrode.Then electrochemical glass reaction tank gland bonnet 10 is connected to electrochemical glass reaction tank 9 top ground to sentence electrochemical glass reaction tank 9 is sealed.
Before carrying out galvanochemistry voltammetry testing and analyzing, utilize nitrogen access equipment 14 to pass into nitrogen to electrochemical glass reaction tank 9, the dissolved oxygen DO in solution is got rid of completely by exhaust apparatus 11.The electrode wire clamp of electrochemical workstation (is adopted Shanghai occasion China electrochemical workstation in the present embodiment, wherein electrode wire clamp Green corresponds to working electrode, white corresponds to contrast electrode, redness corresponds to electrode, black ground connection, yellow is the second working electrode, puts sky during experiment) be connected on respectively on 3 electrodes corresponding to this proving installation.Open opening operation software after electrochemical workstation, select cyclic voltammetry, test parameter is set: starting potential E=0V, ceiling voltage E=1.6V, minimum voltage E=-1.8V, voltage scan rate 0.1V s
-1, scanning hop count is 3, and initial sweep polarity is " positive ", sampling interval 0.001V, and time of repose is 10s, and sensitivity is 1 × 10
-6a V
-1, obtain cyclic voltammogram as shown in Figure 5.
In figure 5, respectively tangent line is done to the oxidation of cyclic voltammogram and reduction peak wave inception position, obtain the oxidizing potential relative to silver/silver chloride reference electrode: E
ox=0.63V and reduction potential are E
re=-0.99V, with reference to the accompanying drawings 6 displays, ferrocene is relative to the oxidizing potential i.e. half spike potential E of silver/silver ion contrast electrode
1/2, ferrocene=0.1V, and by inspection information handbook, the oxidizing potential E of ferrocene
1/2, ferrocene4.8eV is differed with its vacuum level.Therefore, the band structure parameter of this organic solar batteries semiconductor material P1 dye molecule is:
LUOM energy level=
-(E
re-E
1/2, ferrocene) eV+ (-4.8) eV=-(-0.99-0.1) eV+ (-4.8) eV=-3.71eV,
HOMO energy level=
-(E
ox-E
1/2, ferrocene) eV+ (-4.8) eV=-(0.63-0.1) eV+ (-4.8) eV=-5.33eV,
Galvanochemistry energy gap E
g=HOMO energy level-LUOM energy level=-3.71-(-5.33) eV=1.62eV.
From above-mentioned specific embodiment, the cyclic voltammetry characteristic test adopting organic semiconductor electrochemical testing device of the present invention to carry out, can obtain comparatively accurate experimental data, substantially increase reliability and the science of experiment.
Those skilled in the art will readily understand; the foregoing is only preferred embodiment of the present invention; not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. an organic semiconductor electrochemical testing device, comprise electrochemical glass reaction tank assembly and electrochemical glass reaction tank seal assembly, electrochemical glass reaction tank assembly is for holding electrolytic solution, electrochemical glass reaction tank seal assembly is used for sealing electrochemical glass reaction tank assembly, it is characterized in that, also comprise working electrode assembly and contrast electrode assembly
Described working electrode assembly comprises O type circle (3), circular glass carbon plate (4), copper frame fixed station (5), bolt (6), copper frame (7), screw (8), circular glass carbon plate (4) is fixed on by screw (8) in the circular trough of copper frame (7) section, the upper spin coating of circular glass carbon plate (4) has organic semiconducting materials as working electrode, rotation is assemblied in the bolt (6) on copper frame fixed station (5) bottom rectangle groove, circular glass carbon plate (4) is made to be pressed on O type circle (3), O type circle (3) is fixed on ground place, electrochemical glass reaction tank assembly side and contacts with electrolytic solution,
Contrast electrode assembly comprises contrast electrode (1), salt bridge (2) and rubber stopper with holes (13), contrast electrode (1) inserts in the middle circular hole of rubber stopper with holes (13), rubber stopper with holes (13) is arranged on the round mouth of salt bridge (2), salt bridge (2) is arranged on electrochemical glass reaction tank assembly opposite side ground interface, makes the unlimited circular glass carbon plate (4) near scribbling organic semiconducting materials of salt bridge (2) end.
2. organic semiconductor electrochemical testing device as claimed in claim 1, it is characterized in that, described electrochemical glass reaction tank assembly comprises electrochemical glass reaction tank (9) and is arranged on the nitrogen access equipment (14) of electrochemical glass reaction tank (9) side.
3. organic semiconductor electrochemical testing device as claimed in claim 1 or 2, it is characterized in that, described electrochemical glass reaction tank seal assembly comprises electrochemical glass reaction tank gland bonnet (10), exhaust apparatus (11), rubber stopper (12), to electrode (15), electrochemical glass reaction tank gland bonnet (10) is arranged on electrochemical glass reaction tank (9) top, exhaust apparatus (11) is arranged on the first round mouth of electrochemical glass reaction tank gland bonnet (10), electrode (15) is arranged on the second round mouth of electrochemical glass reaction tank gland bonnet (10), 3rd round mouth of rubber stopper (12) sealed electrochemical glass reaction pond gland bonnet (10) is for subsequent use.
4. organic semiconductor electrochemical testing device as claimed in claim 1 or 2, it is characterized in that, the pin on described copper frame (7) is fine copper pin and keeps up.
5. organic semiconductor electrochemical testing device as claimed in claim 1 or 2, is characterized in that, described rubber stopper with holes (13) external diameter slightly larger than the round mouth of salt bridge (2), for sealing the round mouth of salt bridge (2).
6. organic semiconductor electrochemical testing device as claimed in claim 1 or 2, it is characterized in that, described copper frame fixed station (5) and screw (8) are polytetrafluoroethylmaterial material.
7. organic semiconductor electrochemical testing device as claimed in claim 3, it is characterized in that, described electrochemical glass reaction tank (9) and nitrogen access equipment (14), electrochemical glass reaction tank (9) and electrochemical glass reaction tank gland bonnet (10), to electrode (15), exhaust apparatus (11), all adopt ground to be connected between rubber stopper (12) with electrochemical glass reaction tank gland bonnet (10).
8. organic semiconductor electrochemical testing device as claimed in claim 3, it is characterized in that, the described platinum filament to electrode (15) is connected with soldering with copper wire, copper wire is encapsulated in the glass tube to electrode (15), only by the electrolyte contacts in platinum filament and electrochemical glass reaction tank (9).
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