CN107342201A - A kind of CeB6The preparation method of flexible Field Emission cathode material - Google Patents
A kind of CeB6The preparation method of flexible Field Emission cathode material Download PDFInfo
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- CN107342201A CN107342201A CN201710598093.6A CN201710598093A CN107342201A CN 107342201 A CN107342201 A CN 107342201A CN 201710598093 A CN201710598093 A CN 201710598093A CN 107342201 A CN107342201 A CN 107342201A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/022—Manufacture of electrodes or electrode systems of cold cathodes
- H01J9/025—Manufacture of electrodes or electrode systems of cold cathodes of field emission cathodes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F17/00—Compounds of rare earth metals
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- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
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- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/10—Particle morphology extending in one dimension, e.g. needle-like
- C01P2004/16—Nanowires or nanorods, i.e. solid nanofibres with two nearly equal dimensions between 1-100 nanometer
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Abstract
The present invention discloses a kind of CeB6The preparation method of flexible Field Emission cathode material, comprises the steps：(1) flexible substrate is cleaned, it is standby as catalyst to plate Au after drying；(2) cerium source is put into madreporic canal, be placed in the middle part of electric tube furnace, the substrate for being coated with catalyst is placed in tube furnace overdraught direction；(3) full of inertia protection gas and reducing gas after tube furnace is sealed, then it is vacuumized；(4) heated under vacuum quartz ampoule, when it is warming up to 900~1000 DEG C, it is passed through boron source presoma；(5) after reacting 15~45min, stopping is passed through boron source, cools automatically in the case where inertia protects gas and reducing gas atmosphere；(6) flexible substrate is taken out, obtains CeB6Flexible Field Emission cathode material.The present invention uses flexible substrate, and CeB is realized by easily operated chemical gaseous phase depositing process6Nano wire quasi- oriented growth on flexible substrates, realizes high flexibility CeB6The preparation of nano wire, obtained CeB6Filed emission cathode material possesses excellent field emission performance.
Description
Technical field
The present invention relates to a kind of preparation method of filed emission cathode material, more particularly to a kind of CeB6Flexible Field Emission negative electrode
The preparation method of material, belongs to technical field of material.
Background technology
The development of electronic cathode material reached the upper century-old time, and during which people have attempted various materials, it is expected
Big emission, high stable reliability, the characteristic of long-life can be obtained.Researcher's discovery, rare earth metal borides (RB6,
R=rare earths) electron emission meet the characteristics of above-mentioned excellent.Based on its unique performance, purposes is very extensive, is used for example as
Electron emission source, can be in electron-beam analysis instrument and process equipment, ion accelerator and some other dynamic vacuum system.
CeB6It is one kind of rare earth metal borides, has the characteristics that work function is low, evaporation rate is low (under high temperature), chemical stability is good,
Therefore, there are relatively low operating voltage and longer service life as excellent cold cathode emission source, be widely used in national defence
And civilian industry, the high performance electronic source device of such as ESEM, field-emission pressure sensor.
Flexible electronic device the neck such as shows in the large-scale bending of wearable device, distributed sensor and building surface
Domain has extensive development prospect.With the development of flexible electronic, prepared by certain method and have mechanical flexibility and excellent concurrently
The nano-device of good field emission characteristic energy just shows more and more important scientific research and practical value.So far, CeB6It is flexible
The research of filed emission cathode material has no report.
The content of the invention
Goal of the invention：For problems of the prior art, the present invention provides a kind of CeB6Flexible Field Emission negative electrode material
The preparation method of material, field emission performance testing result show, nano thread structure CeB prepared by the present invention6Flexible Field Emission negative electrode
Material has excellent electron emission characteristic.
Technical scheme：A kind of CeB of the present invention6The preparation method of flexible Field Emission cathode material, including following steps
Suddenly：
(1) flexible substrate is cleaned, it is standby as catalyst to plate Au after drying；
(2) cerium source is put into quartz ampoule, be placed in the middle part of electric tube furnace, placed in tube furnace overdraught direction and be coated with catalyst
Substrate；
(3) full of inertia protection gas and reducing gas after tube furnace is sealed, then it is vacuumized；
(4) heated quarty tube under vacuum, when it is warming up to 900~1000 DEG C, is passed through boron source presoma；
(5) after reacting 15~45min, stopping is passed through boron source, then automatic in the case where inertia protects gas and reducing gas atmosphere
Cooling；
(6) flexible substrate is taken out, realizes CeB6The preparation of flexible Field Emission cathode material, the CeB6Flexible Field Emission negative electrode
Material includes flexible substrate and the CeB being grown in flexible substrate6Nano wire.
Obtained CeB6In flexible Field Emission cathode material, CeB6A diameter of 80~300nm of nano wire, length are 5~40
μm。
Wherein, flexible substrate is preferably carbon cloth.
Preferably, in step (1), plate on flexible substrates thickness be 5~15nm Au films as catalyst.
Further, the method for cleaning flexible substrate is in step (1)：Flexible substrate is passed sequentially through into acetone, ethanol, surpassed
Pure water cleans 20min in supersonic wave cleaning machine.
In above-mentioned steps (2), cerium source is the medicine containing Ce elements, preferably CeCl3·7H2O。
The size of conventional flexible substrate is in experiment：Length 10cm, width 1cm, it is corresponding needed for cerium source quality for 0.1~
0.3g。
In step (3) and step (5), measured with percent by volume, the inertia protection gas and reducing gas being passed through are preferably
30%H2With 70%Ar gaseous mixture.
In step (4), measured with percent by volume, boron source presoma is preferably 5%B2H6With 95%H2Gaseous mixture.
Further, in step (4), under vacuum with 15~25 DEG C/min speed heated quarty tube to 900~
At 1000 DEG C, boron source presoma is passed through, the flow velocity of the boron source presoma is 20~40sccm.
Beneficial effect：Compared with prior art, the advantage of the invention is that：(1) present invention uses flexible substrate, by easy
CeB is realized in the chemical gaseous phase depositing process of operation6Nano wire quasi- oriented growth on flexible substrates, realizes flexible CeB6
The preparation of nano thread structure, and then realize CeB6The preparation of flexible Field Emission cathode material；(2) preparation method of the invention is easy
In operation, it is not necessary to which complicated process conditions, technique is simple, obtained CeB6Nanowire Quality is good, and crystallinity is high, and yield is high,
With good flexible and excellent field emission performance, cold-cathode electron source can be used as, Flexible Displays, cold cathode luminous tube,
The field such as higher source luminance and miniature low-power X-ray tube has wide practical use.
Brief description of the drawings
Fig. 1 is CeB made from embodiment 16The SEM photograph of flexible Field Emission cathode material；
Fig. 2 is CeB made from embodiment 26X-ray diffraction (XRD) figure of flexible Field Emission cathode material；
Fig. 3~5 are respectively CeB made from embodiment 26Flexible Field Emission cathode material enlargement ratio be 50 times, 2000
Times and SEM photograph at 30000 times；
Fig. 6 is CeB made from embodiment 26The single CeB of low power of flexible Field Emission cathode material6Nanometer exograph X；
Fig. 7 is CeB made from embodiment 26The high-resolution photo of flexible Field Emission cathode material, the illustration in the upper right corner is it
Electronic diffraction (SAED) photo；
Fig. 8 is CeB made from embodiment 26The mapping images of boron (B) element in flexible Field Emission cathode material；
Fig. 9 is CeB made from embodiment 26The mapping images of cerium (Ce) element in flexible Field Emission cathode material；
Figure 10 is CeB made from embodiment 26Image when flexible Field Emission cathode material folds；
Figure 11 is CeB made from embodiment 26Image during flexible Field Emission cathode material bending radius about 1.4cm；
Figure 12 is CeB made from embodiment 26Image during flexible Field Emission cathode material bending radius about 0.4cm；
Figure 13 is CeB made from embodiment 26Flied emission current density of the flexible Field Emission cathode material under not same electric field
Image (J-E curves), wherein illustration are fitted for F-N；
Figure 14 is CeB made from embodiment 26The field emission stability image of flexible Field Emission cathode material；
Figure 15 is CeB made from embodiment 36The SEM photograph of flexible Field Emission cathode material.
Embodiment
Technical scheme is described further with reference to specific embodiments and the drawings.
A kind of CeB of the present invention6The preparation method of flexible Field Emission cathode material, using flexible substrate, by being easy to grasp
The chemical gaseous phase depositing process of work realizes CeB6Nano wire quasi- oriented growth, and then realize CeB on flexible substrates6Flexible field
The preparation of emitting cathode material.Obtained CeB6Flexible Field Emission cathode material includes flexible substrate and is grown in flexible substrate
CeB6Nano wire, wherein, CeB6Nanowire diameter is 80~300nm, and length is 5~40 μm.
Embodiment 1
(1) flexible carbon cloth substrate (length will be tested：10cm, width：Acetone, ethanol, ultra-pure water 1cm) are passed sequentially through super
When being in sound wave cleaning machine after 20min cleaning, it is standby as catalyst that the Au that thickness is 5nm is plated after drying；
(2) by 0.1g ceriums source (CeCl3·7H2O quartz test tube) is put into, is placed in the middle part of electric tube furnace, in tube furnace overdraught
Place the carbon cloth substrate for being coated with catalyst in direction；
(3) full of inertia protection gas and reducing gas (30%H after tube furnace is sealed2+ 70%Ar), then it is taken out very
It is empty；
(4) when under vacuum with 25 DEG C/min heated quarty tubes to 900 DEG C, it is passed through boron source presoma (95%H2+
5%B2H6), its flow velocity is 20sccm；
(5) after reacting 15min, stopping is passed through boron source, is then that inertia protects gas and reducing gas (30%H in flow2+
70%Ar) cool automatically under atmosphere；
(6) flexible substrate is taken out, obtains CeB6Flexible Field Emission cathode material.
Fig. 1 is the SEM pictures of sample made from the present embodiment, it can be seen that CeB6Nanowire length is 5~20 μm, nanometer
Linear diameter about 120~300nm.
Embodiment 2
(1) flexible carbon cloth substrate (length will be tested：10cm, width：Acetone, ethanol, ultra-pure water 1cm) are passed sequentially through super
When being in sound wave cleaning machine after 20min cleaning, the Au that 10nm is plated after drying is standby as catalyst；
(2) by 0.2g ceriums source (CeCl3·7H2O quartz test tube) is put into, is placed in the middle part of electric tube furnace, in tube furnace overdraught
Place the carbon cloth substrate for being coated with catalyst in direction；
(3) full of inertia protection gas and reducing gas (30%H after tube furnace is sealed2+ 70%Ar), then it is taken out very
It is empty；
(4) when under vacuum with 20 DEG C/min heated quarty tubes to 950 DEG C, it is passed through boron source presoma (95%H2+
5%B2H6), its flow velocity is 30sccm；
(5) after reacting 30min, stopping is passed through boron source, is then that inertia protects gas and reducing gas (30%H in flow2+
70%Ar) cool automatically under atmosphere；
(6) flexible substrate is taken out, obtains CeB6Flexible Field Emission cathode material；
(7) by CeB6Flexible Field Emission cathode material is directly used as negative electrode and carries out field emission performance detection and analysis.
Fig. 2 is the X-ray diffraction spectrum (XRD) of sample made from the present embodiment, it can be seen that except substrate carbon cloth peak
(26.4o) beyond, six cerium borides (the JCPD cards at other peaks and false single cubic lattice structure：38-1455), corresponding space group is
Pm-3m, lattice constant a=0.41nm.
Fig. 3~5 are the SEM photograph of sample made from the present embodiment, from different enlargement ratio SEM it can be seen from the figure that carbon
It has been covered with CeB on cloth6Nano wire, nanowire diameter about 80~200nm, about 5~30 μm of length.
Fig. 6~9 are the FETEM photos of sample made from the present embodiment, it was found from Fig. 6 single nano-wire TEM shape appearance figures
This root nanowire diameter about 80nm.Fig. 7 is nano wire high-resolution lattice fringe picture, the crystalline substance that two mutually perpendicular directions occur in figure
Glazing bar line is 0.41nm, corresponds respectively to simple cubic structure C eB6(100) and (010) crystal face；The upper right corner inserts in Fig. 7
Figure is nano wire SEAD photo, can be according to simple cubic structure C eB6Indexing, this x-ray powder with Fig. 2
Result obtained by diffraction is consistent.Fig. 8 and Fig. 9 is respectively the mapping images of nano wire B element and Ce elements, two kinds of elements
It is uniformly distributed, it is known that the element composition of nano wire.It can be seen from the result of Fig. 6~9, synthesized sample is along [001] side
To the CeB of growth6Nano wire.
Figure 10~12 are the image of sample difference bending state made from the present embodiment.Under three kinds of states, bend over
After 200 times, the destruction in any structure is found no, illustrating the sample of synthesis has flexibility well.
Figure 13~14 are the electron emission image of sample made from the present embodiment.Figure 13 is the Flied emission electricity under not same electric field
Current density image, nano wire threshold electric field and threshold field are respectively 1.76V μm as seen from the figure-1With 3.60V μm-1；Figure 13 simultaneously
Illustration in F-N fitting be approximately straight line, the emission type for illustrating electronics is field emission.Figure 14 is Flied emission electric current
1mA/cm2When keep the image of 1000 minutes, current fluctuation only has 5%, illustrate obtained by sample Flied emission it is highly stable.
Embodiment 3
(1) flexible carbon cloth substrate (length will be tested：10cm, width：Acetone, ethanol, ultra-pure water 1cm) are passed sequentially through super
When being in sound wave cleaning machine after 20min cleaning, it is standby as catalyst that the Au that thickness is 15nm is plated after drying；
(2) by 0.3g ceriums source (CeCl3·7H2O quartz test tube) is put into, is placed in the middle part of electric tube furnace, in tube furnace overdraught
Place the carbon cloth substrate for being coated with catalyst in direction；
(3) full of inertia protection gas and reducing gas (30%H after tube furnace is sealed2+ 70%Ar), then it is taken out very
It is empty；
(4) when under vacuum with 10 DEG C/min speed heated quarty tube to 1000 DEG C, it is passed through boron source presoma
(95%H2+ 5%B2H6), its flow velocity is 40sccm；
(5) after reacting 45min, stopping is passed through boron source, is then that inertia protects gas and reducing gas (30%H in flow2+
70%Ar) cool automatically under atmosphere；
(6) flexible substrate is taken out, obtains flexible CeB6Flexible Field Emission cathode material.
Figure 15 is the SEM pictures of sample made from the present embodiment, it can be seen that CeB6Nanowire length is 5~40 μm, is received
Rice noodles diameter about 100~200nm.
Claims (10)
- A kind of 1. CeB6The preparation method of flexible Field Emission cathode material, it is characterised in that comprise the steps：(1) flexible substrate is cleaned, it is standby as catalyst to plate Au after drying；(2) cerium source is put into quartz ampoule, be placed in the middle part of electric tube furnace, the lining for being coated with catalyst is placed in tube furnace overdraught direction Bottom；(3) full of inertia protection gas and reducing gas after tube furnace is sealed, then it is vacuumized；(4) heated quarty tube under vacuum, when it is warming up to 900~1000 DEG C, is passed through boron source presoma；(5) after reacting 15~45min, stopping is passed through boron source, then cools automatically in the case where inertia protects gas and reducing gas atmosphere；(6) flexible substrate is taken out, realizes CeB6The preparation of flexible Field Emission cathode material, the CeB6Flexible Field Emission cathode material Including flexible substrate and the CeB being grown in flexible substrate6Nano wire.
- 2. CeB according to claim 16The preparation method of flexible Field Emission cathode material, it is characterised in that the CeB6 A diameter of 80~300nm of nano wire, length are 5~40 μm.
- 3. CeB according to claim 16The preparation method of flexible Field Emission cathode material, it is characterised in that the flexibility Substrate is carbon cloth.
- 4. the CeB according to claim 1 or 36The preparation method of flexible Field Emission cathode material, it is characterised in that step (1) in, the catalyst in the flexible substrate is Au films, and its thickness is 5~15nm.
- 5. CeB according to claim 16The preparation method of flexible Field Emission cathode material, it is characterised in that step (1) In, the method for the cleaning flexible substrate is：Flexible substrate is passed sequentially through into acetone, ethanol, ultra-pure water in supersonic wave cleaning machine Middle cleaning 20min.
- 6. CeB according to claim 16The preparation method of flexible Field Emission cathode material, it is characterised in that step (2) In, the cerium source is the medicine containing Ce elements, and its quality is 0.1~0.3g.
- 7. CeB according to claim 66The preparation method of flexible Field Emission cathode material, it is characterised in that the cerium source For CeCl3·7H2O。
- 8. CeB according to claim 16The preparation method of flexible Field Emission cathode material, it is characterised in that step (3) and In step (5), measured with percent by volume, the inertia protection gas and reducing gas are 30%H2With 70%Ar gaseous mixture.
- 9. CeB according to claim 16The preparation method of flexible Field Emission cathode material, it is characterised in that step (4) In, measured with percent by volume, the boron source presoma is 5%B2H6With 95%H2Gaseous mixture.
- 10. CeB according to claim 16The preparation method of flexible Field Emission cathode material, it is characterised in that step (4) In, during under vacuum with 15~25 DEG C/min speed heated quarty tube to 900~1000 DEG C, boron source presoma is passed through, The flow velocity of the boron source presoma is 20~40sccm.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109872931A (en) * | 2018-11-27 | 2019-06-11 | 西北大学 | A kind of filed emission cathode material, preparation method and applications |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004250725A (en) * | 2003-02-18 | 2004-09-09 | Kohan Kogyo Kk | Boride ceramics for electrode, electrode obtained by using the same, and method of producing boride ceramics for electrode |
| CN1913078A (en) * | 2005-07-14 | 2007-02-14 | 日立粉末冶金株式会社 | Method for manufacturing electrode material for cold-cathode fluorescent lamp |
| CN101372339A (en) * | 2008-10-24 | 2009-02-25 | 北京工业大学 | Preparation of high purity high dense polycrystal CeB6 block cathode material |
| CN101434395A (en) * | 2008-12-12 | 2009-05-20 | 北京工业大学 | Multicomponent rare earth boride (CexBa1-x)B6 and preparation thereof |
| CN101434394A (en) * | 2008-12-12 | 2009-05-20 | 北京工业大学 | Multicomponent rare earth boride (LaxBa1-x)B6 cathode material and preparation thereof |
| CN106702347A (en) * | 2016-12-19 | 2017-05-24 | 华南理工大学 | Method for preparing rare-earth hexaboride nano material taking carbon cloth as base |
-
2017
- 2017-07-20 CN CN201710598093.6A patent/CN107342201A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004250725A (en) * | 2003-02-18 | 2004-09-09 | Kohan Kogyo Kk | Boride ceramics for electrode, electrode obtained by using the same, and method of producing boride ceramics for electrode |
| CN1913078A (en) * | 2005-07-14 | 2007-02-14 | 日立粉末冶金株式会社 | Method for manufacturing electrode material for cold-cathode fluorescent lamp |
| CN101372339A (en) * | 2008-10-24 | 2009-02-25 | 北京工业大学 | Preparation of high purity high dense polycrystal CeB6 block cathode material |
| CN101434395A (en) * | 2008-12-12 | 2009-05-20 | 北京工业大学 | Multicomponent rare earth boride (CexBa1-x)B6 and preparation thereof |
| CN101434394A (en) * | 2008-12-12 | 2009-05-20 | 北京工业大学 | Multicomponent rare earth boride (LaxBa1-x)B6 cathode material and preparation thereof |
| CN106702347A (en) * | 2016-12-19 | 2017-05-24 | 华南理工大学 | Method for preparing rare-earth hexaboride nano material taking carbon cloth as base |
Non-Patent Citations (2)
| Title |
|---|
| ZHAO YANMING,ET,AL: "Field emission from single-crystalline CeB6 nanowires", 《JOURNAL OF RARE EARTHS》 * |
| 常泱泱: "硼基低维材料的制备和光电性能研究", 《中国优秀硕士学位论文全文数据库（工程科技Ⅰ辑）》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109872931A (en) * | 2018-11-27 | 2019-06-11 | 西北大学 | A kind of filed emission cathode material, preparation method and applications |
| CN109872931B (en) * | 2018-11-27 | 2020-12-04 | 西北大学 | Field emission cathode material, preparation method and application thereof |
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Application publication date: 20171110 |