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A kind of laser nano material processing method and processing system

A technology of nanomaterials and processing systems, applied in the direction of nanotechnology, nanotechnology, nanostructure manufacturing, etc., can solve problems such as poor stability, no monitoring device, complicated device, etc., and achieve good controllability, good accuracy, and monitoring low cost effect

Active Publication Date: 2021-11-02
宁波齐云新材料技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But its device is complex, and the stability is not good, there is no monitoring device
[0006] However, the above method cannot directly obtain a nanometer single-layer film, and the subsequent method of obtaining a single-layer film has to rely on chemical means

Method used

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  • A kind of laser nano material processing method and processing system
  • A kind of laser nano material processing method and processing system
  • A kind of laser nano material processing method and processing system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Such as figure 1 As shown, a laser nanomaterial processing system includes a laser 1 , a beam shaping module 2 , a target module 3 , and a monitoring module 4 .

[0037] Laser 1 is a visible light laser. After the laser output from laser 1 enters the beam shaping module 2, the laser spot is adjusted to an "8"-shaped spot; the "8"-shaped spot means that the shape of the laser spot is "8", and the light intensity has two equal maxima in the vertical direction;

[0038] Such as figure 2 As shown, the target module 3 has a liquid pool 5 and a target seat 6 filled with liquid, and the liquid pool 5 has water and another organic solvent that does not dissolve with water; two target plates with different components are installed on the target seat 6. One target material 7 is set vertically on the upper side of the interface between water and organic solvent, and the other target material 7 is set on the lower side of the interface between water and organic solvent; On , th...

Embodiment 2

[0049] A kind of method utilizing described laser nano material processing system to carry out the method for preparing nano monolayer film, comprises the steps:

[0050] Step 1. Install the selected two targets 7 on the two target mounting positions of the target base 6 respectively and fix them; then install the target base 6 on the target rotating base 10; then use photosensitive paper to detect the light beam The position of the laser spot output by the shaping module 2, and then use a computer to adjust the position of the target 7 to match the spot;

[0051] Step 2: Inject water and an organic solvent into the liquid pool 5, and the interface between the organic solvent and water is located at the center of the target seat 6, so that one target is vertically arranged on the upper side of the interface between the water and the organic solvent, and the other target The material is arranged on the lower side of the interface between water and the organic solvent; the liqui...

Embodiment 3

[0057] This embodiment can prepare the structure of more than three components;

[0058] Step 1. Install the selected three target materials 7 on the two target material installation positions of the target base 6 respectively, and fix them. There are multiple installation positions around the center of the target base on the target base. There are four targets in total for the three types of targets. There are two pieces of Au, one piece of ZnO, and one piece of PbS; ZnO and PbS are arranged adjacently, and two pieces of Au targets are set on their opposite sides; after that, the target base 6 is installed on the target rotating base 10; The position of the laser spot output by the beam shaping module 2, and then use a computer to adjust the position of the target 7 to match the spot;

[0059] Step 2: Inject water and an organic solvent into the liquid pool 5, and the interface between the organic solvent and water is located at the center of the target seat 6, so that one Zn...

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Abstract

The invention relates to a laser nano material processing method and a processing system. The processing system includes a laser, a beam shaping module, a target module and a monitoring module, and a target seat located at the liquid interface is set, so that the laser enters and ablates different targets in different environments from the liquid interface. The interface is very close, so it can be easily self-assembled at the interface, and the target can be self-assembled at the interface to obtain a single-layer film. This preparation method has good controllability, and is more energy-saving, environmentally friendly and pollution-free than the chemical preparation method; use Transmittance monitoring indirectly monitors the self-assembly process of the liquid interface, with good accuracy and low monitoring cost; the device and method of the present invention are suitable for preparing nanometer single-layer film structures of various components, and can be widely used in various scientific research laboratories.

Description

technical field [0001] The invention relates to the field of nanomaterial processing, in particular to a laser nanomaterial processing method and a processing system. Background technique [0002] Au nanoparticle monolayer films were prepared by interfacial self-assembly method. This method overcomes the shortcomings of the traditional preparation of gold nanoparticle films that require the introduction of a third additive, and a single-layer film of gold nanoparticles can be obtained by simply mixing gold sol and another hydrophobic solvent. By adjusting the concentration of the hydrophobic solvent The polarity can adjust the number density of gold nanoparticles in the gold film, that is, the distance between nanoparticles. The current methods for preparing monolayer films all use chemical means, and generally only single-component monolayer films can be prepared. [0003] The laser liquid phase ablation method provides a new idea for the preparation of nanomaterials: ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B82B3/00
CPCB23K26/073B23K26/122B23K26/362B23K26/702
Inventor 韩坤蔡鑫
Owner 宁波齐云新材料技术有限公司
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