C60 nano monocrystal assembly materials in different shapes and preparation method thereof

A nano-single crystal and assembly technology, which is applied in polycrystalline material growth, single crystal growth, single crystal growth, etc., can solve the problem of not finding C60 single crystal assembly, and achieve the effect of simple operation

Inactive Publication Date: 2010-02-17
JILIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

(Lin Wang, et al.Advanced Materials, 2006, 18, 1883; Applied Physics Letter, 2007, 91, 103112) However, the existing technologies are all about the preparation

Method used

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  • C60 nano monocrystal assembly materials in different shapes and preparation method thereof
  • C60 nano monocrystal assembly materials in different shapes and preparation method thereof
  • C60 nano monocrystal assembly materials in different shapes and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0026] Embodiment 1 provides a specific preparation of micron tubular C 60 Examples of nano-single crystal assemblies.

[0027] Choose saturated C 60 Toluene solution was used as the mother liquor, and m-xylene was selected as the shape control agent. Pipette the prepared saturated C 60 Add 0.3 microliters of toluene solution dropwise to clean substrates such as silicon wafers and glass sheets that do not react with the solution to form a layer of solution film, drop 0.1 microliters of m-xylene next to the liquid film, and place the two Put it in a 9cm×9cm×4cm container, cover it with a glass plate, and wait for 30-40 minutes at room temperature (25°C) for the solution to volatilize, and then get a micron tube with a diameter of 2-8 μm on a silicon wafer or a glass wafer. C 60 Nano single crystal assembly, the assembly unit is C with a diameter of 200-300nm 60 Nano stave. at 10 -5 Under the pressure of Pa, at a temperature of 120-150 ° C, heat to remove the residual sol...

Embodiment 2

[0029] Embodiment 2 provides a specific preparation of microrod-shaped C 60 Examples of nano-single crystal assemblies.

[0030] Choose saturated C 60 Toluene solution was used as the mother liquor, and m-xylene was selected as the shape control agent. Pipette the prepared saturated C 60 Add 0.3 microliters of toluene solution dropwise to clean substrates such as silicon wafers and glass sheets that do not react with the solution to form a layer of solution film, drop 0.1 microliters of m-xylene next to the liquid film, and place the two Put it in a container of 9cm×9cm×4cm, and cover it with a glass plate. At 0°C, after 1-1.5 hours, the solution evaporates, and micron rods with a diameter of 2-5 μm are obtained on a silicon wafer or a glass wafer. C 60 Nano single crystal assembly, the assembly unit is C with a diameter of 200-400nm 60 Nano stave. at 10 -5 Pa pressure, 120 ℃ ~ 150 ℃ temperature, heating to remove the residual solvent to obtain C with a face-centered cu...

Embodiment 3

[0032] Embodiment 3 provides a concrete preparation nanoflower cluster-like C 60 Examples of nano-single crystal assemblies.

[0033] Choose saturated C 60 Toluene solution was used as the mother liquor, and m-xylene was selected as the shape control agent. Pipette the prepared saturated C 60 Add 0.3 microliters of toluene solution dropwise to clean substrates such as silicon wafers and glass sheets that do not react with the solution to form a layer of solution film, drop 0.3 microliters of m-xylene next to the liquid film, and place the two Put it in a container of 9cm×9cm×4cm, cover it with a glass plate, and wait for the solution to volatilize for 2 to 3 hours at a temperature of -10°C, and get nanoflowers with a diameter of 80 to 150 μm on a silicon wafer or a glass wafer Clustered C 60 Nano group single crystal device, its constituent unit is C with a diameter of 200-300nm 60 Nanorods, assembled from a center radiating outward. at 10 -5 Pa pressure, 120 ~ 150 ° C ...

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Abstract

The invention relates to C60 nano monocrystal assemblies in different shapes and a preparation method thereof, belonging to the technical field of preparation of monocrystal materials. The C60 nano monocrystal assembly materials are in shapes of a micron pipe, a micron rod, a nano flower cluster, a nano besom, a nano rod parallel array or micron pipe vertical array and have face-centered cubic structures. A saturated C60 methylbenzene solution is used as a mother liquor, meta-Xylene is used as a shape control agent, and different ambient temperatures and volatilization time times are adjustedso as to control the shapes of the materials. The C60 nano monocrystal assemblies in various shapes can be prepared, the shape of a product can be controlled, the method is simple to operate, and theproduct provides an effective way for the application of a nano device and has favorable application prospect.

Description

technical field [0001] The invention belongs to the technical field of single crystal material preparation, in particular to different shapes of C 60 A method for preparing a nano single crystal assembly. Background technique [0002] C 60 It was first discovered in 1985 by scientists such as Kroto (Nature, Vol.318, 162, 1985), and then improved and mass-produced by scientists such as Kratschmer (Nature, Vol.347, 354, 1990). C 60 It is a semiconductor material with a band gap of 1.69eV, C 60 It has excellent superconductivity, superhardness and luminescent properties. C 60 Nanomaterials have huge potential application value in nanodevices, which leads to the preparation of different shapes of C 60 Crystals, especially C with different shapes and structures 60 Single crystal assembly has become a research hotspot and the goal of efforts. [0003] Early on C 60 The preparation method of nanocrystals is mainly the template method, and the alumina template is entered in...

Claims

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Application Information

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IPC IPC(8): C30B7/06C30B29/02C01B31/02
Inventor 刘冰冰刘德弟崔雯李全军李冬妹邹广田
Owner JILIN UNIV
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