CN101497428A - Method for arranging nano-wire array using electrostatic filature - Google Patents
Method for arranging nano-wire array using electrostatic filature Download PDFInfo
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- CN101497428A CN101497428A CNA2009100256267A CN200910025626A CN101497428A CN 101497428 A CN101497428 A CN 101497428A CN A2009100256267 A CNA2009100256267 A CN A2009100256267A CN 200910025626 A CN200910025626 A CN 200910025626A CN 101497428 A CN101497428 A CN 101497428A
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Abstract
The invention relates to a method for assembling a one-dimensional nano wire array from a solvent by electrostatic spinning, which is a simple and easily operated method. The method comprises the following steps: firstly, utilizing directionally spun nano fibers as a template, and using a cutting blade to uniformly scrape a semiconductor nano wire solution which is dripped on the nano fibers; and secondly, adding a small amount of lubricant (such as water or an organic solvent) on a substrate, and dragging a glass sheet of the spun fibers to move from side to side on the substrate through a mechanical arm, so that successful transfer of a semiconductor nano wire which is adsorbed on the fibers towards the substrate is realized. The method not only has simple required equipment and convenient operation and is suitable for various substrates, but also is easy to array nano wires in parallel and on a large scale, can be used for preparing nano electronic devices, and the like.
Description
Technical field
What the present invention relates to is a kind of method of utilizing electrostatic spinning to assemble one-dimensional nano line array from solution, belongs to the crossing domain of the nano-device manufacturing and the information transmission technology.
Background technology
At present, the technology of preparing of 1-dimention nano line structure is comparative maturity, utilizes laser ablation, chemical vapour deposition (CVD), and arc discharge, thermit powder is synthetic, and preparation methods such as electrochemical deposition can obtain various types of nano wires.On the meticulous control of nano wire preparation and basis based on the device research of single nano-wire, nano wire is made up the committed step that the macroscopical device that is assembled into specific function is the research of semiconductor nanowires device, i.e. the device development model of so-called " from bottom to top ".This is the only way which must be passed that nano-wire devices moves towards sizable application.Arrangement for realizing nano wire in the plane, developed several different methods: LB film method, electrostatic spinning, electric field are induced, induced by magnetic field, fluid are movement-oriented, the assembling of chemical/biological molecule affinity, magnetic couple is selected and stamp transfer or the like.The LB membrane technology is forming orderly nano wire monofilm and is transferring on the substrate on the water surface, can obtain on than large tracts of land controlled, repeat, and produce multi-level structure; Electrostatic spinning technique is expected to prepare the low-dimensional materials of multiple nanometer or submicron-scale.Can obtain the coaxial composite construction of different polymer by design, and realize nano wire orderly arrangement in the plane parts such as shower nozzle, passive electrodes.Electric field is induced and only is suitable for the nano material of conducting electricity; Induced by magnetic field only can be assembled the nano material with magnetic, has limited the material ranges of its application.Recently, report is a kind of prepares three-dimensional multifunction device method in common based on self-assembled nanowires unit successively.As representational example, assemble ten layers of nano-wire field effect transistor that vertical stacks is stamped with Ge/Si nuclear shell structure nano line.By the nano wire growth of method to realize optimizing of nanocatalyst guiding growth, the substrate transition diagram on second device substrate that adopts the contact method for stamping directly to grow again from nano wire, and in conjunction with plane micro fabrication acquisition device unit construction.For the accurate three-dimensional structure of making, the method for nano wire impression and device preparation is repeated several times, and each interval is the SiO of deposit insulation all
2Cushion is to obtain the electronic shell that vertical stacks is stamped.This processing technology is general for the various nano-materials and the designs of present report, and this simple and reduction process temperature requirements makes it become the acquisition high-performance and can realize a kind of desirable method aspect the three dimensional integrated circuits of difference in functionality at different layers.But orderly arrangement architecture for the nano material of the nano wire that obtains in the present solution, nanometer band one dimension, especially on a large scale be arranged in parallel, that is that all right is ripe for present achievement in research, also has only microfluid masterplate, LB film, electric field/magnetic field to induce this several method in the bibliographical information.Recently bibliographical information the new method of hanging drop assembling nanometer line in the plane of modified of utilizing nano wire.
Summary of the invention
Technical problem: the purpose of this invention is to provide a kind of method of utilizing the electrostatic spinning arranging nano-wire array, this method is easy to nano wire is arranged in parallel on a large scale, can be used for preparing nanometer electronic device etc.
Technical scheme: the present invention utilizes the method for electrostatic spinning arranging nano-wire array may further comprise the steps:
A. prepared nano wire is carried out preliminary treatment, and it is suspended in solvent;
B. the fiber that will make is carried out directional process, and as template;
C. with blade the semiconductor nanowires solution that is adsorbed on the nanofiber is scraped evenly, and then in substrate, add lubricant, drag sheet glass move left and right in substrate of spinning fibre by mechanical arm, realize being adsorbed on the basad transfer of semiconductor nanowires on the fiber.
It is that nano wire is carried out hydrophobic or hydrophilic treated that prepared nano wire is carried out preliminary treatment, could make that like this nano wire well is dispersed in the solvent.
Fiber as template carries out directional process earlier, and the method for processing is made circular motion for the substrate that receives nanofiber perpendicular to the syringe outlet of spinning.Described lubricant is water or organic solvent.
Beneficial effect: the present invention utilizes electrostatic spinning to assemble the method for one-dimensional nano line array from solution, has following advantage; The first method equipment needed thereby of the present invention is simple, operation is convenient, second method of the present invention also is suitable for the cheaper plastic-substrates device of cost of manufacture, the 3rd the present invention is easy to nano wire is arranged in parallel on a large scale, can be used for preparing nanometer electronic device etc.
Description of drawings
Fig. 1 is a flow process principle schematic of the present invention, wherein has: blade 1, and nano wire solution 2, nanofiber 3, the sheet glass of the spinning fibre move left and right direction 4 on silicon chip, at the bottom of the silicon wafer-based 5, nano wire 6.
The specific embodiment
The method of utilizing electrostatic spinning to assemble one-dimensional nano line array from solution may further comprise the steps: (1) utilizes the good orientated nano fibers of experiment spinning as template, with blade the semiconductor nanowires solution that drips on nanofiber is scraped evenly, (2) and then in substrate, add some lubricants (as water or organic solvent), the sheet glass that drags spinning fibre by mechanical arm moves around about in the substrate, realizes directed based successfully shift (the experiment schematic diagram is seen Fig. 1) of semiconductor nanowires that is adsorbed on the fiber.
The present invention utilizes electrostatic spinning assembles one-dimensional nano line array from solution principle as shown in Figure 1, (the syringe outlet of accepting the slide of fiber and spinning is vertical to utilize the nanofiber of directed spinning, and making circumference rotates) as template, scrape evenly dripping semiconductor nanowires solution on nanofiber (as CdS nano wire+surfactant SDS in the ultrasonic mixing night that is dispersed in water and ethanol) with blade, and then (as silicon chip) adds some lubricants (as water or organic solvent) in substrate, drag sheet glass move left and right in substrate of spinning fibre by mechanical arm, since the Van der Waals force between nano wire and the substrate, and realization is adsorbed on the based successfully transfer of semiconductor nanowires on the fiber.
Claims (4)
1. method of utilizing the electrostatic spinning arranging nano-wire array is characterized in that this method may further comprise the steps:
A. prepared nano wire is carried out preliminary treatment, and it is suspended in solvent;
B. the fiber that will make is carried out directional process, and as template;
C. with blade the semiconductor nanowires solution that is adsorbed on the nanofiber is scraped evenly, and then in substrate, add lubricant, drag sheet glass move left and right in substrate of spinning fibre by mechanical arm, realize being adsorbed on the basad transfer of semiconductor nanowires on the fiber.
2. the method for utilizing the electrostatic spinning arranging nano-wire array according to claim 1 is characterized in that it is that nano wire is carried out hydrophobic or hydrophilic treated that prepared nano wire is carried out preliminary treatment, could make that like this nano wire well is dispersed in the solvent.
3. the method for utilizing the electrostatic spinning arranging nano-wire array according to claim 1 is characterized in that carrying out directional process earlier as the fiber of template, and the method for processing is made circular motion for the substrate that receives nanofiber perpendicular to the syringe outlet of spinning.
4. the method for utilizing the electrostatic spinning arranging nano-wire array according to claim 1 is characterized in that described lubricant is water or organic solvent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100256267A CN101497428A (en) | 2009-03-03 | 2009-03-03 | Method for arranging nano-wire array using electrostatic filature |
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| CNA2009100256267A CN101497428A (en) | 2009-03-03 | 2009-03-03 | Method for arranging nano-wire array using electrostatic filature |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102050422A (en) * | 2010-12-01 | 2011-05-11 | 东南大学 | Method for arranging nano wires by combining fiber aid and contact impression |
| CN102328898A (en) * | 2011-08-01 | 2012-01-25 | 东南大学 | Method for large area arrangement of nanowires |
| CN102409462A (en) * | 2011-08-31 | 2012-04-11 | 青岛大学 | Method for printing disordered micro nanofibers into ordered fiber array |
| CN104226977A (en) * | 2013-06-19 | 2014-12-24 | 中国科学院化学研究所 | Method for directional ordered arrangement of metal nanowires |
| CN104876179A (en) * | 2015-04-16 | 2015-09-02 | 华中科技大学 | Large-area assembling method for non-contact type one-dimensional nano material |
| CN108536183A (en) * | 2018-02-08 | 2018-09-14 | 广东工业大学 | Spray printing distance regulation method based near field electrospinning spray printing Multi needle array experiment |
| CN111892722A (en) * | 2020-06-16 | 2020-11-06 | 成都普界科技有限公司 | Method for preparing polymer microspheres on super-amphiphobic surface |
| GB2594941A (en) * | 2020-05-11 | 2021-11-17 | Provost Fellows Found Scholars & Other Members Board College Holy & Und | Method of preparing nanowire networks and networks prepared thereby |
| US11623999B2 (en) | 2017-08-23 | 2023-04-11 | South University Of Science And Technology Of China | Method for preparing fluorescent polarizing film based on directional arrangement of quantum rods |
-
2009
- 2009-03-03 CN CNA2009100256267A patent/CN101497428A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102050422A (en) * | 2010-12-01 | 2011-05-11 | 东南大学 | Method for arranging nano wires by combining fiber aid and contact impression |
| CN102328898A (en) * | 2011-08-01 | 2012-01-25 | 东南大学 | Method for large area arrangement of nanowires |
| CN102409462A (en) * | 2011-08-31 | 2012-04-11 | 青岛大学 | Method for printing disordered micro nanofibers into ordered fiber array |
| CN104226977A (en) * | 2013-06-19 | 2014-12-24 | 中国科学院化学研究所 | Method for directional ordered arrangement of metal nanowires |
| CN104226977B (en) * | 2013-06-19 | 2016-08-10 | 中国科学院化学研究所 | The method of the Orienting ordered arrangement of metal nanometer line |
| CN104876179A (en) * | 2015-04-16 | 2015-09-02 | 华中科技大学 | Large-area assembling method for non-contact type one-dimensional nano material |
| US11623999B2 (en) | 2017-08-23 | 2023-04-11 | South University Of Science And Technology Of China | Method for preparing fluorescent polarizing film based on directional arrangement of quantum rods |
| CN108536183A (en) * | 2018-02-08 | 2018-09-14 | 广东工业大学 | Spray printing distance regulation method based near field electrospinning spray printing Multi needle array experiment |
| CN108536183B (en) * | 2018-02-08 | 2021-08-24 | 广东工业大学 | Spray printing distance regulation and control method based on near-field electrospinning spray printing multi-needle array experiment |
| GB2594941A (en) * | 2020-05-11 | 2021-11-17 | Provost Fellows Found Scholars & Other Members Board College Holy & Und | Method of preparing nanowire networks and networks prepared thereby |
| GB2594941B (en) * | 2020-05-11 | 2022-05-11 | Provost Fellows Found Scholars & Other Members Board College Holy & Und | Method of preparing nanowire networks and networks prepared thereby |
| CN111892722A (en) * | 2020-06-16 | 2020-11-06 | 成都普界科技有限公司 | Method for preparing polymer microspheres on super-amphiphobic surface |
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