CN103413685B - On wire deposition complicated micro-/receive the method for hierarchy oxide and purposes - Google Patents
On wire deposition complicated micro-/receive the method for hierarchy oxide and purposes Download PDFInfo
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- CN103413685B CN103413685B CN201310364114.XA CN201310364114A CN103413685B CN 103413685 B CN103413685 B CN 103413685B CN 201310364114 A CN201310364114 A CN 201310364114A CN 103413685 B CN103413685 B CN 103413685B
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Abstract
To the present invention relates on wire deposition complicated micro-/receive the method for hierarchy oxide, step is as follows: first by preparation micro-/receive hierarchy oxide and iodine and add in acetone, microwave ultrasound, is uniformly dispersed; Clean metal silk, then to deposit to micro-/hierarchy oxide of receiving with electrophoretic deposition on the wire processed; Take out wire, dry under infrared lamp; Wherein, micro-/receive hierarchy oxide: the mass ratio of iodine is 2:1 ~ 5:1, and electrophoretic deposition voltage is 5V ~ 30V, electrophoresis time 30 seconds ~ 30 minutes; Wire is Ti silk or stainless steel wire.The method of the present invention has the features such as simple to operate, with low cost, repeatability is strong.For the photoelectric conversion efficiency of the flexible solar battery improving higher curvature provides means.
Description
Technical field
The present invention relates to new material technology field.Especially on the metal filament deposition complicated micro-/receive hierarchy oxide method and as the purposes that can weave flexible dye-sensitized battery (DSSCs) optoelectronic pole.
Background technology
Solar energy, as a kind of regenerative resource, has the advantage that other energy is incomparable, and inexhaustible, nexhaustible, safe, pollution-free, not to be subject to geographical conditions restriction etc., becomes one of Main way of new forms of energy development.In recent years, people have developed a kind of solar cell of novelty---DSSC (DSSCs).Its preparation technology is simple, raw material sources abundant, with low cost, there are higher market prospects and popularize value, being described as third generation solar cell.Therefore, DSSC is also considered to likely become the leading of following solar cell.
But the rigid flat photovoltaic cell external force resistance ability of tradition is not good enough, large by spatial limitation, constrain the transportation, installation and use etc. of product diversity design and area battery module.Although relative to conventional batteries, single pond efficiency of current flexible photovoltaic battery is still lower, should see because the adaptable occasion of flexible battery is more extensive, it is more convenient to install, therefore can greatly enrich available daylighting area.Particularly can meet the active demand of national defence for individual soldier, countryside portable renewable energy system.Therefore, the photovoltaic cell of flexible structure becomes the important developing direction of of photovoltaic art.
At present, in flexible DSSCs, the threadiness with high-freedom degree can weave form photovoltaic cell, achieves preliminary result.But for conventional batteries, single pond efficiency that current threadiness can weave flexible photovoltaic battery is still lower.From operation principle and the definitions of efficiency of DSSCs, light anode is one of key component of this kind of battery, and it directly affects the utilization of light and the collection of electronics, and then affects short circuit current, finally decides the efficiency of battery.Therefore, we carry out autotelic Morphological control to fibre cell light anode and can improve photoelectric conversion efficiency further.
Micro-/hierarchy of receiving can play the function of its different stage structure, particle as Nano grade provides Large ratio surface, the macroparticle of micron level carries out scattering to light, so just under ensureing that membrane electrode has the prerequisite of larger Dye Adsorption amount, improve the light scattering property of film, that effectively improves light catches utilance.But, because the particle volume of this hierarchy is comparatively large, not easily direct growth fine and close on the fibrous flexible conducting substrate of higher curvature.So, report without pertinent literature so far.We adopt the method for electrophoresis, make being attached on fibrous flexible conducting substrate of its densification.This solves bulky grain and cannot be grown directly upon problem on higher curvature flexible conducting substrate, for the photoelectric conversion efficiency of the flexible solar battery improving higher curvature provides new method.
Summary of the invention
The object of the invention is to propose deposition on a kind of wire complicated micro-/receive the method for hierarchy oxide and purposes, especially a kind of bulky grain is provided to be attached to method on higher curvature flexible conducting substrate, for the photoelectric conversion efficiency of the flexible solar battery improving higher curvature provides new method.
The object of the invention is achieved through the following technical solutions: on wire deposition complicated micro-/receive the method for hierarchy oxide, step is as follows:
First by preparation micro-/receive hierarchy oxide and iodine and add in acetone, microwave ultrasound, is uniformly dispersed; Clean metal silk, forms diaphragm on the metal filament; Then with electrophoretic deposition micro-/hierarchy oxide of receiving deposited on the wire processed; Take out wire, dry under infrared lamp.
Wherein, micro-/receive hierarchy oxide: the mass ratio of iodine is 2:1 ~ 5:1, and voltage is 5V ~ 30V, electrophoresis time 30 seconds ~ 30 minutes.
Micro-/hierarchy oxide of receiving is TiO
2.Micro-/to receive in grading structure material micro-is the spherical structure of micron-scale, receiving is zero dimension, one dimension, the two-dimensional nanostructure of nano-scale.
Wire is Ti silk or stainless steel wire etc.
Preferably, on the metal filament deposition complicated micro-/receive the embodiment of hierarchy oxide: described oxide TiO
2: the mass ratio of iodine is 4:1, and during electrophoretic deposition, described voltage is 10 ± 2V, and the reaction time is 1 ± 0.5 minute.
On wire deposition complicated micro-/receive the application of method preparing product in flexible solar battery preparation of hierarchy oxide.
The beneficial effect that the present invention has: (1) wire substrate is high temperature resistant, and Applicable temperature is wider.Be conducive to the electrode weaving large Flexible module solar cell, enhance the adaptability of photovoltaic cell to transportation environment, installation environment, operational environment.(2) solve bulky grain male or female material and cannot be grown directly upon problem on higher curvature flexible conducting substrate, for the photoelectric conversion efficiency of the flexible solar battery improving higher curvature provides new method.(3) this process only relates to the conventional unit operations such as dissolving, stirring, and common laboratory all can operate, and is also easy to realize suitability for industrialized production.
Accompanying drawing explanation
Fig. 1 is the present invention's Ti silk scanning electron microscope (SEM) photograph used.
Fig. 2 is the present invention's electrophoretic apparatus schematic diagram used.
Fig. 3 is the scanning electron microscope (SEM) photograph of the embodiment of the present invention 1, the size that a, b, c figure is corresponding different.
Fig. 4 is the scanning electron microscope (SEM) photograph of the embodiment of the present invention 2, the size that a, b, c figure is corresponding different.
Fig. 5 is the scanning electron microscope (SEM) photograph of comparative example 1 of the present invention, the size that a, b figure is corresponding different.
Fig. 6 is the scanning electron microscope (SEM) photograph of comparative example 2 of the present invention, the size that a, b figure is corresponding different.
Fig. 7 is the scanning electron microscope (SEM) photograph of comparative example 3 of the present invention, the size that a, b figure is corresponding different.
Fig. 8 is the scanning electron microscope (SEM) photograph of comparative example 4 in the present invention, the size that a, b figure is corresponding different.
Fig. 9 be (a) unprotected micro-/receive hierarchy TiO
2; (b) matcoveredn micro-/receive hierarchy TiO
2; (c) matcoveredn micro-/receive hierarchy TiO
2with Graphene mixture as I-V graph of relation during flexible DSSCs optoelectronic pole.
Embodiment
Below in conjunction with embodiment, the present invention is further described.
Embodiment 1
(1) by preparation micro-/hierarchy oxide 0.04 gram of receiving joins in the acetone soln of 50 milliliters of 0.01 gram of iodine, microwave ultrasound, is uniformly dispersed;
(2) by cleaned Ti silk (Fig. 1), pick the ethanolic solution of isopropyl titanate (0.01M)/acetylacetone,2,4-pentanedione (0.02M), infrared baking, burn 15 minutes at 500 DEG C, in triplicate.
(3) with electrophoretic deposition (Fig. 2) by micro-/receive hierarchy oxide (TiO
2) deposit on the wire that processed; Wherein, voltage is 10V, electrophoresis time 1 minute; In triplicate.
(4) Ti silk is taken out, with distilled water washing, then irradiate with infrared lamp, to reach dry effect.
Scanning electron microscopy (SEM) is adopted to analyze product.
Fig. 3 is the SEM figure of embodiment 1 product, as we know from the figure: compare and Fig. 1, Ti or employing stainless steel wire on attached to one deck densification micro-/receive hierarchy oxide.
Embodiment 2
Step is substantially identical with example 1, and difference is: the oxide of electrophoresis be micro-/receive hierarchy oxide (TiO
2) and the mixture of Graphene.
Fig. 4 is the SEM figure of embodiment 2 product, as can be seen from the figure, Ti silk attached to the mixture oxide of one deck densification.
Comparative example 1
Step is substantially identical with example 1, and difference is: electrophoretic voltage is 5V.
Fig. 5 is the SEM figure implementing comparative example 1, as can be seen from the figure, almost without micro-/hierarchy oxide of receiving attachment on Ti silk.
Comparative example 2
Step is substantially identical with example 1, and difference is: electrophoretic voltage is 30V.
Fig. 6 be implement comparative example 1 SEM figure, as can be seen from the figure, Ti silk adheres to micro-/hierarchy oxide of receiving is not fine and close.
Comparative example 3
Step is substantially identical with example 1, and difference is: electrophoresis time is 30 seconds.
Fig. 7 is the SEM figure implementing comparative example 1, as can be seen from the figure, Ti silk adheres to very thin one deck micro-/receive hierarchy oxide.
Comparative example 4
Step is substantially identical with example 1, and difference is: electrophoresis time is 30 minutes.
Fig. 8 be implement comparative example 1 SEM figure, as can be seen from the figure, Ti silk adheres to micro-/hierarchy oxide of receiving is blocked up, come off.
Application examples
On described wire deposition complicated micro-/receive the application of method preparing product in flexible solar battery preparation of hierarchy oxide.
With flexible DSSCs optoelectronic pole prepared by embodiment 1 and 2, survey its electricity conversion, be specially: reacted Ti silk is immersed N719 ethanolic solution.Soak after 24 hours, test.The I-V relation obtained as shown in Figure 9.Result shows, electrophoretic deposition method can complexity micro-/receive the oxide of hierarchy and its mixture, form fine and close film on the Ti silk surface of higher curvature, with this as flexible DSSCs optoelectronic pole, there is higher electricity conversion.
Above-described embodiment does not limit the present invention in any form, the technical scheme that the mode that all employings are equal to replacement or equivalent transformation obtains, and all drops in protection scope of the present invention.
Claims (4)
1. on wire deposition complicated micro-/receive the method for hierarchy oxide, it is characterized in that step is as follows:
First by preparation micro-/receive hierarchy oxide and iodine and add in acetone, microwave ultrasound, is uniformly dispersed; Clean metal silk, forms diaphragm on the metal filament; Then with electrophoretic deposition micro-/hierarchy oxide of receiving deposited on the wire processed; Take out wire, dry under infrared lamp;
Wherein, micro-/receive hierarchy oxide: the mass ratio of iodine is 2:1 ~ 5:1, and electrophoretic deposition voltage is 5V ~ 30V, electrophoresis time 30 seconds ~ 30 minutes;
Micro-/hierarchy oxide of receiving is TiO
2micro-/to receive grading structure material, micro-/micro-received in grading structure material refers to the spherical structure of micron-scale, and " receiving " is zero dimension, one dimension, the two-dimensional nanostructure of nano-scale; Wire is Ti silk or stainless steel wire.
2. on wire according to claim 1 deposition complicated micro-/receive the method for hierarchy oxide, it is characterized in that depositing on the metal filament complicated micro-/receive in the embodiment of hierarchy oxide: micro-/to receive hierarchy oxide: the mass ratio of iodine is 4:1, during electrophoretic deposition, voltage is 10 ± 2V, and electrophoresis time is 1 ± 0.5 minute.
3. on wire according to claim 1 deposition complicated micro-/receive the method for hierarchy oxide; it is characterized in that the formation method of diaphragm is; by the wire cleaned with acetone; pick the ethanolic solution of 0.01M isopropyl titanate/0.02M acetylacetone,2,4-pentanedione; infrared baking; burn 15 minutes under 500 ° of C, in triplicate.
4. according to deposition on the wire one of claim 1-3 Suo Shu complicated micro-/receive the application of method preparing product in flexible solar battery preparation of hierarchy oxide.
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102637530A (en) * | 2012-01-11 | 2012-08-15 | 南京大学昆山创新研究院 | Method for preparing nano-structured Zn2SnO4 on stainless steel wires |
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| JP4573033B2 (en) * | 2005-02-09 | 2010-11-04 | 住友金属鉱山株式会社 | Electric double layer capacitor electrode manufacturing method, electric double layer capacitor electrode obtained, and electric double layer capacitor using the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102637530A (en) * | 2012-01-11 | 2012-08-15 | 南京大学昆山创新研究院 | Method for preparing nano-structured Zn2SnO4 on stainless steel wires |
Non-Patent Citations (3)
| Title |
|---|
| Electrophoretic deposition of titanium oxide nanoparticle films for dye sensitized solar cell applications;Jason Bandy,et al;《Materials Sciences and Applications》;20111031;第2卷;全文 * |
| M.Hamadanian,et al.Multistep electrophoretic deposition of TiO2 nanoparticles to prepare high quality thin films for dye sensitized solar cell.《the 4th International Conference on Nanostructures》.2012,全文. * |
| 柔性染料敏化太阳能电池;杨丽，et al;《化学进展》;20091031;第21卷(第10期);全文 * |
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