CN100464834C - Preparation method of organic nano-particle - Google Patents
Preparation method of organic nano-particle Download PDFInfo
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- CN100464834C CN100464834C CNB2005101009288A CN200510100928A CN100464834C CN 100464834 C CN100464834 C CN 100464834C CN B2005101009288 A CNB2005101009288 A CN B2005101009288A CN 200510100928 A CN200510100928 A CN 200510100928A CN 100464834 C CN100464834 C CN 100464834C
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Abstract
A process for preparing organic nanoparticles includes such steps as attaching the organic molecular solution onto the surface of a substrate, and evaporating its solvent to generate the organic nanoparticles.
Description
Technical field
The invention belongs to the preparing technical field of nano particle, particularly relate to a kind of organic nanometer particle preparing process.
Technical background
At present production preparation and academic scientific research field, more and more to the attention and the utilization of nanostructured.Organic molecule has important application in the organic light emission field, is the preparation organic luminescent device, as the important raw and processed materials of display screen, LED etc.But current preparation method uses vapour deposition and heterogeneous miscible always, but vapour deposition process needs complex apparatus, and the heterogeneous method of dissolving each other needs complicated preparation process, makes it use with research and is restricted.
Chinese patent application number is that 200410008986.3 application for a patent for invention discloses a kind of organic nanometer particle preparing process, it is by placing solution A and solution B respectively the both sides of film, solution A is organic good solution, wherein be dissolved with organic matter, solution B is organic poor solvent, by pressure differential solution A is pressed into liquid B, in liquid B, obtain organic nano colloidal sol, perhaps liquid B is pressed in the solution A, in solution A, obtain organic nano colloidal sol, again with organic nano colloidal sol by filtering, obtaining the organic nano particle powder after the drying.Two kinds of liquid of this Technology Need different solubility, so on the one hand operation is comparatively complicated, also feed consumption comparatively, on the other hand, the organic nano colloidal sol that is obtained is relevant with the poor solubility of two kinds of liquid, and dependence is bigger.
Goal of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of preparation method of the simple and easy to do nanostructured of utilizing the organic molecule self-characteristic is provided, a kind of method for preparing organic optoelectronic device particularly is provided.
In order to realize goal of the invention, the technical solution used in the present invention is as follows:
A kind of organic nanometer particle preparing process is attached to organic molecule solution on the substrate, by the solvent of evaporation organic molecule solution, forms organic nano particle again; The concentration range of described organic molecule solution is that supersaturation is to super rare.
The present invention utilizes the self-characteristic of organic molecule, organic molecule solution is attached on the substrate, pass through leveling effect of solvent, differentiating effect with and Acidity of Aikalinity realize the proton transfer of organic molecule and solvent, thereby adjust the dipole moment of organic molecule self, realization is separated and self aggregation, finally the nanostructured of simple realization organic molecule.
In the technique scheme, the material of described substrate can adopt high-molecular organic material or small molecule material or glass material or crystalline material.
The solute of described organic molecule solution is the luminescent organic molecule material.Can adopt oxadiazole derivative or triphenylamine derivative or rhodamine or metal complex or boron complexes or rare earth high polymer compound or rare earth carboxylic acid compound.
The solvent of organic molecule solution of the present invention adopts organic solvent or inorganic solvent.Organic solvent adopts acetate or toluene or benzinum or gasoline or ethanol, and inorganic solvent adopts water or hydrochloric acid or ammonia.
The adhering mode of organic molecule solution of the present invention and substrate can be dropping liquid or smears or soak into or spray.With organic solution attached to substrate after, the forming process of organic nano particle can occur under the multiple environment, as in the air, in the vacuum, and even in the solution.The evaporating temperature scope of the solvent of organic solution is 900 ℃ to-100 ℃.
By prepared its shape of organic nano particle of preparation method of the present invention can be hemispherical or spherical or elliposoidal or pyramid or conical or trapezoidal.The size of organic nano particle is that several nanometers are to several microns.
The organic nano particle that utilizes the present invention to prepare can be that the individual layer quantum-dot structure also can be bilayer and even multiple layer hetero quantum point structure.Utilize the present invention can prepare various devices, particularly prepare organic optoelectronic device, can prepare a part of structure of organic electro-optic device earlier, adopt the method to prepare nanostructured then, proceed the preparation of organic optoelectronic device then, finally finish the preparation of organic electro-optic device.
Adopt the present invention can prepare the low dimensional organic nanostructured simply and rapidly, thereby provide new method for organic nano science and technology and organic light emitting display industry.
Description of drawings
Fig. 1 is a preparation process schematic diagram of the present invention.
The specific embodiment
The present invention is described further below in conjunction with accompanying drawing.
The present invention is described further below in conjunction with accompanying drawing.
Preparation process of the present invention as shown in Figure 1, organic molecule solution 1 is attached to expansion on the substrate 2 and follow solvent evaporation, forms organic molecule nano particle 3 structures.
The method that adopts spin coating TPD of preparation one deck 35nm earlier on ito glass, then with thenoyl trifluoro class, i.e. Eu (TTA)
3The acetone soln of derivates nanometer is coated with in the above, and solvent acetone evaporation back forms Eu (TTA)
3The derivates nanometer particle structure.
Similarly, can prepare 1,2 of 10nm thereon, 4-triazoles (11), the derivative of abbreviation TAZ, the 8-hydroxyquinoline aluminum film of 40nm, i.e. Alq
3, last electrode evaporation, an organic nano device prepares success at this point.
Claims (1)
1, a kind of organic nanometer particle preparing process is characterized in that: adopt the method for spin coating to prepare one deck TPD earlier on ito glass, then with nanometer Eu (TTA)
3The acetone soln of derivative is coated with in the above, and solvent acetone evaporation back forms Eu (TTA)
3The derivates nanometer particle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101009288A CN100464834C (en) | 2005-11-08 | 2005-11-08 | Preparation method of organic nano-particle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101009288A CN100464834C (en) | 2005-11-08 | 2005-11-08 | Preparation method of organic nano-particle |
Publications (2)
| Publication Number | Publication Date |
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| CN1785497A CN1785497A (en) | 2006-06-14 |
| CN100464834C true CN100464834C (en) | 2009-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CNB2005101009288A Expired - Fee Related CN100464834C (en) | 2005-11-08 | 2005-11-08 | Preparation method of organic nano-particle |
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| CN (1) | CN100464834C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102676159B (en) * | 2012-05-25 | 2013-12-11 | 南京邮电大学 | White-light nano particle preparation method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000004593A1 (en) * | 1998-07-14 | 2000-01-27 | Cambridge Display Technology Ltd | Optical devices |
| CN1329459A (en) * | 2001-04-29 | 2002-01-02 | 清华大学 | Single layer organic electroluminescent device and its preparation method |
| CN1532308A (en) * | 2003-03-25 | 2004-09-29 | 中国科学院化学研究所 | Method for producing organic nano tube with porous template |
| CN1670122A (en) * | 2005-03-24 | 2005-09-21 | 复旦大学 | Microemulsion containing organic nano luminescent materials and its preparation process and use thereof |
| CN1672783A (en) * | 2004-03-23 | 2005-09-28 | 中国科学院化学研究所 | Organic nano particle preparing process |
-
2005
- 2005-11-08 CN CNB2005101009288A patent/CN100464834C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000004593A1 (en) * | 1998-07-14 | 2000-01-27 | Cambridge Display Technology Ltd | Optical devices |
| CN1329459A (en) * | 2001-04-29 | 2002-01-02 | 清华大学 | Single layer organic electroluminescent device and its preparation method |
| CN1532308A (en) * | 2003-03-25 | 2004-09-29 | 中国科学院化学研究所 | Method for producing organic nano tube with porous template |
| CN1672783A (en) * | 2004-03-23 | 2005-09-28 | 中国科学院化学研究所 | Organic nano particle preparing process |
| CN1670122A (en) * | 2005-03-24 | 2005-09-21 | 复旦大学 | Microemulsion containing organic nano luminescent materials and its preparation process and use thereof |
Non-Patent Citations (8)
| Title |
|---|
| MOCVD系统生长过程的优化精确控制. 王浩等。.华南师范大学学报(自然科学版)，第2期. 2004 |
| MOCVD系统生长过程的优化精确控制. 王浩等。.华南师范大学学报(自然科学版)，第2期. 2004 * |
| TPA－PPV 纳米粒子的制备和尺度效应. 王震宇等。.液晶与显示，第20卷第4期. 2005 |
| TPA－PPV 纳米粒子的制备和尺度效应. 王震宇等。.液晶与显示，第20卷第4期. 2005 * |
| 基于导电聚合物改良的有机电致发光器件的研究. 刘娉娉.重庆大学硕士论文. 2005 |
| 基于导电聚合物改良的有机电致发光器件的研究. 刘娉娉.重庆大学硕士论文. 2005 * |
| 有机聚合物超微粒的制备及电致发光器件的初步研究. 王震宇.北京林业大学硕士论文. 2005 |
| 有机聚合物超微粒的制备及电致发光器件的初步研究. 王震宇.北京林业大学硕士论文. 2005 * |
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| CN1785497A (en) | 2006-06-14 |
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Granted publication date: 20090304 Termination date: 20101108 |