CN105280825A - Method for adjusting organic molecule film crystallization dimension - Google Patents
Method for adjusting organic molecule film crystallization dimension Download PDFInfo
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- CN105280825A CN105280825A CN201410289562.2A CN201410289562A CN105280825A CN 105280825 A CN105280825 A CN 105280825A CN 201410289562 A CN201410289562 A CN 201410289562A CN 105280825 A CN105280825 A CN 105280825A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/549—Organic PV cells
Abstract
The invention relates to a method for adjusting organic molecule film crystallization dimension. The method is characterized by doping a certain amount of carbon nano-tubes in an organic semiconductor molecule solution; and then, enabling the solution to be prepared into a thin film. Through the control of the doping amount of the carbon nano-tubes, the crystallization dimension of organic semiconductor molecules can be adjusted; and the semiconductor film obtained through crystallization dimension adjustment can be applied to the field of photocatalysis, electro-optic conversion and photoelectric conversion and the like.
Description
Technical field
The application belongs to field of photoelectric technology, particularly relates to a kind of method regulating organic molecular film crystal size.
Background technology
Molecule organic semiconductor has a wide range of applications in fields such as opto-electronic conversion, electro-optic conversion, photocatalysis.For molecule organic semiconductor film, its performance depends on microscopic crystalline structure to a great extent.Except conventional crystallization temperature and the control of crystallization time, the crystallization of polymer can realize the change of its crystallization number and crystal size by the number of control crystal seed.But control the method for crystal seed often because the nature introducing material finally have impact on the application of film by additional substance.Carbon nano-tube, owing to itself having excellent carrier mobility, is thus introduced in molecule organic semiconductor film, can realize, to while molecule organic semiconductor cerium sulphate crystal, reducing the impact on film performance.
Be applied as example with organic photovoltaic, in order to the electric charge of separation is effectively transported to counter electrode, need polymer to have conjugated chain segment length long as far as possible, to realize effectively transporting of electric charge; But in order to realize active layer to effective absorption of sunlight and exciton dissociation, needing the crystal size of polymer too greatly, thus can not increase to the contact interface area of body/acceptor, increasing light absorption and exciton dissociation efficiency.
Summary of the invention
The object of the present invention is to provide a kind of method regulating organic molecular film crystal size, to overcome the deficiencies in the prior art.
For achieving the above object, the invention provides following technical scheme:
The embodiment of the present application discloses a kind of method regulating organic molecular film crystal size, by the carbon nano-tube of the different content that adulterates in organic molecule solution, to control the different crystal sizes of organic molecular film.
Preferably, in the method for above-mentioned organic molecular film crystal size, in described organic molecule solution, the mass ratio of carbon nano-tube is for being greater than 0, and is less than 1%.
Preferably, in the method for above-mentioned organic molecular film crystal size, in described organic molecule solution, the mass ratio of carbon nano-tube is for being greater than 0, and is less than 0.012%.
Preferably, in the method for above-mentioned organic molecular film crystal size, described organic molecule is polymer, and described polymer is selected from one or more the mixing in polyester, polyarylate, polyamide, polypyrrole and derivative thereof, Polyaniline and its derivative, polythiophene and derivative, polysiloxanes, polyethers, polyethylene and derivative thereof, polyacetylene, Merlon, polyacrylonitrile.
Preferably, in the method for above-mentioned organic molecular film crystal size, described organic molecule is semiconductor molecule, and described semiconductor molecule is selected from one or more the mixing in polythiophene and derivative, polypyrrole and derivative thereof, Polyaniline and its derivative, polyfluorene and derivative thereof, pentacene, phthalocyanine, sub-phthalocyanine, porphyrin, Jing, perylene, C60.
Preferably, in the method for above-mentioned organic molecular film crystal size, described organic molecule comprises P3HT, P3DDT and PCBM.
Compared with prior art, the invention has the advantages that:
1) organic molecular film, obtained by spin coating is comparatively even;
2), by the control of carbon nano tube-doped amount, the crystal size of molecule organic semiconductor film can just be controlled.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Figure 1 shows that the X-ray diffraction of different content of carbon nanotubes doping P3HT/PCBM film in the specific embodiment of the invention;
Figure 2 shows that in the specific embodiment of the invention, different content of carbon nanotubes is on the impact of P3HT/PCBM crystal size.
Embodiment
Introduce dopant thus realize the effective control to crystallization number and size, realizing further just becoming a kind of effective means to the adjustment of body/acceptor interface area.Carbon nano-tube has good carrier transport performance, thus the introducing of carbon nano-tube can while telomerized polymer crystal size, reduce the destruction to film function as far as possible, present invention provides this carbon nano-tube that utilizes and realize the method that molecule organic semiconductor crystal size is controlled.
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.The example of these preferred implementations illustrates in the accompanying drawings.Shown in accompanying drawing and the embodiments of the present invention described with reference to the accompanying drawings be only exemplary, and the present invention is not limited to these execution modes.
At this, also it should be noted that, in order to avoid the present invention fuzzy because of unnecessary details, illustrate only in the accompanying drawings with according to the closely-related structure of the solution of the present invention and/or treatment step, and eliminate other details little with relation of the present invention.
Gather 3-hexyl thiophene for carbon nano tube-doped molecule organic semiconductor P3HT() with PCBM(fullerene derivate) mixed semiconductor's molecular film:
1), weighing P3DDT(and gather 3-dodecylthiophene) 10mg and carbon nano-tube 3mg is placed in 6ml toluene solvant, by ultrasonic for this solution 4 hours, 10000g centrifugal force 4 hours, removal precipitation obtains supernatant solution;
2) weigh 6mgP3HT and 6mgPCBM, in addition and be placed in 300ul o-dichlorohenzene solvent, 50 ° of stirrings make the two Homogeneous phase mixing for 24 hours;
3), afterwards by above-mentioned 1) and 2) in two kinds of solution mix in varing proportions, finally obtain the mixed solution of P3HT, PCBM, P3DDT and carbon nano-tube, wherein the content of carbon nano-tube is respectively 0.004%, 0.008%, 0.012%.Above-mentioned solution is stirred appropriate time at 50 °, makes it mix.To be coated on substrate PEDOT/PSS and spin coating (for 600rpm spin coating 60 seconds) with 60uL volume, by the film that obtains after high annealing, to measure the XRD of the film of different carbon nano tube-doped content, shown in ginseng Fig. 1.Scherrer formulae discovery is utilized to obtain carbon nano-tube when being doped in molecule organic semiconductor mixture with 0.004%, 0.008%, 0.012%, in the molecule organic semiconductor film obtained, crystal size is respectively 24.6nm, 22.2nm, 20.3nm, and do not have the crystal size of doped carbon nanometer pipe to be 24.8nm, as shown in Figure 2.
Film prepared by the inventive method, can be applied to the fields such as photocatalysis, electro-optic conversion, opto-electronic conversion.
Finally, also it should be noted that, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.
Claims (6)
1. regulate a method for organic molecular film crystal size, it is characterized in that: by the carbon nano-tube of the different content that adulterates in organic molecule solution, to control the different crystal sizes of organic molecular film.
2. the method for organic molecular film crystal size according to claim 1, is characterized in that: in described organic molecule solution, the mass ratio of carbon nano-tube is for being greater than 0, and is less than 1%.
3. the method for organic molecular film crystal size according to claim 1, is characterized in that: in described organic molecule solution, the mass ratio of carbon nano-tube is for being greater than 0, and is less than 0.012%.
4. the method for organic molecular film crystal size according to claim 1, it is characterized in that: described organic molecule is polymer, described polymer is selected from one or more the mixing in polyester, polyarylate, polyamide, polypyrrole and derivative thereof, Polyaniline and its derivative, polythiophene and derivative, polysiloxanes, polyethers, polyethylene and derivative thereof, polyacetylene, Merlon, polyacrylonitrile.
5. the method for organic molecular film crystal size according to claim 1, it is characterized in that: described organic molecule is semiconductor molecule, described semiconductor molecule is selected from one or more the mixing in polythiophene and derivative, polypyrrole and derivative thereof, Polyaniline and its derivative, polyfluorene and derivative thereof, pentacene, phthalocyanine, sub-phthalocyanine, porphyrin, Jing, perylene, C60.
6. the method for organic molecular film crystal size according to claim 1, is characterized in that: described organic molecule comprises P3HT, P3DDT and PCBM.
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| CN201410289562.2A CN105280825A (en) | 2014-06-24 | 2014-06-24 | Method for adjusting organic molecule film crystallization dimension |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100230642A1 (en) * | 2009-03-13 | 2010-09-16 | Dong Hwan Kim | Catalyst for preparing carbon nanotube comprising multi-component support materials containing amorphous silicon particles and the bulk scale preparation of carbon nanotube using the same |
| CN102794947A (en) * | 2012-07-25 | 2012-11-28 | 电子科技大学 | DAST-carbon nano tube composite film and preparation method thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100230642A1 (en) * | 2009-03-13 | 2010-09-16 | Dong Hwan Kim | Catalyst for preparing carbon nanotube comprising multi-component support materials containing amorphous silicon particles and the bulk scale preparation of carbon nanotube using the same |
| CN102794947A (en) * | 2012-07-25 | 2012-11-28 | 电子科技大学 | DAST-carbon nano tube composite film and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| ANTHONY W. MUSUMECI, ET AL.: "Structure and conductivity of multi-walled carbon nanotube/poly(3-hexylthiophene) composite films", 《POLYMER》 * |
| LINGYU LI, ET AL.: "Structure and crystallization behavior of Nylon 66/multi-walled carbon nanotube nanocomposites at low carbon nanotube contents", 《POLYMER》 * |
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Application publication date: 20160127 |