CN102347379B - Conductive glass and preparation method and application thereof - Google Patents
Conductive glass and preparation method and application thereof Download PDFInfo
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- CN102347379B CN102347379B CN201010245401.5A CN201010245401A CN102347379B CN 102347379 B CN102347379 B CN 102347379B CN 201010245401 A CN201010245401 A CN 201010245401A CN 102347379 B CN102347379 B CN 102347379B
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- sodium ion
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- barrier layer
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Abstract
The invention provides conductive glass and a preparation method and application thereof. The conductive glass comprises a substrate, a sodium ion barrier layer and a transparent conductive layer, wherein the substrate comprises a smooth surface which is relatively flattened and a roughened surface which is provided with patterns; the sodium ion barrier layer is jointed on the smooth surface or the roughened surface of the substrate; and the transparent conductive layer is jointed on the sodium ion barrier layer. By arranging the patterns on one surface of the substrate of the conductive glass, the penetration rate of visible light and near infrared light to the conductive glass is improved; by arranging the transparent conductive layer, the performance stability of the conductive glass is improved, and light penetration rate and electric conductivity are high; and by directly adopting the substrate of which one surface is provided with the patterns, the subsequent wool-making process of the conductive glass is removed, and a production process is simplified. The conductive glass is simple in preparation process, low in cost, controllable in conditions, suitable for industrialization production and applicable to preparation of solar batteries.
Description
Technical field
The invention belongs to technical field of solar batteries, be specifically related to a kind of electro-conductive glass and preparation method thereof and application.
Background technology
The solar cell transparent conducting glass the most generally adopted at present has two kinds, is respectively zno-based transparent conducting glass and SnO
2base transparent conducting glass.Substantially all electro-conductive glass (TCO) all adopt float glass to do former, therefore, relate to the process of a surface wool manufacturing.Apply maximum SnO in the market
2base transparent conducting glass is FTO, prepared by the general method of APCVD that adopts, its advantage be directly can generate matte, technique is simple, cost is low, can be mass-produced.But FTO is very low more than the transmitance of the near infrared light of 800nm to wavelength, therefore, is only suitable for for amorphous silicon thin-film solar cell.Zno-based transparent conducting glass mainly divides two large classes, one class is BZO film, the method of LPCVD is adopted to prepare, its advantage directly can generate matte, and have higher optical transmittance near infrared light, and shortcoming is the defect due to technique itself, BZO film must have very high thickness, just can reach higher mist degree, result in the rising of manufacturing cost on the one hand, cause the decline of other performance of film on the other hand; Another kind of is AZO film, the method of magnetron sputtering (one of PVD) is adopted to prepare, its advantage has higher optical transmittance near infrared light, be applicable to very much being applied to amorphous/crystallite laminated cell, shortcoming is the TCO that the method itself directly can not make band matte, and needing increases subsequent corrosion technique, thus adds the complexity of technique, the yield of product is reduced, and cost raises.
Summary of the invention
In view of this, the invention provides a kind of electro-conductive glass being provided with sodium ion barrier layer, transparency conducting layer, the transmitance of this electro-conductive glass to light be high, stable performance, long service life.
The present invention also provides this electro-conductive glass preparation method that a kind of preparation technology is simple, cost is low.
And the present invention also provides above-mentioned electro-conductive glass preparing the application in solar cell.
The present invention solves the problems of the technologies described above adopted technical scheme:
A kind of electro-conductive glass, comprise substrate and sodium ion barrier layer and transparency conducting layer, described substrate comprises relative smooth shiny surface and is provided with the matsurface of embossing, on the shiny surface that described sodium ion barrier layer is combined in substrate or matsurface, described transparency conducting layer is combined on sodium ion barrier layer.
And a kind of electro-conductive glass preparation method, comprises the steps:
Obtain substrate, described substrate comprises relative smooth shiny surface and is provided with the matsurface of embossing;
Plate sodium ion barrier layer at the shiny surface of substrate or matsurface, then on sodium ion barrier layer, plate transparency conducting layer, obtain described electro-conductive glass.
And the application in solar cell prepared by above-mentioned electro-conductive glass.
Electro-conductive glass of the present invention compared with prior art, at least possesses following advantage:
(1) adopt the one side of substrate to be provided with embossing, add the transmitance of this electro-conductive glass to visible ray and near infrared light;
(2) setting of transparency conducting layer, enhances this electro-conductive glass stable performance, light transmission rate and conductivity high;
(3) directly adopt one side to be provided with the substrate of embossing, deducted the follow-up making herbs into wool process of this electro-conductive glass, simplified production process;
(4) preparation technology of this electro-conductive glass is simple, cost is low, condition is controlled, is suitable for suitability for industrialized production.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the structural representation of the first execution mode of electro-conductive glass of the present invention;
Fig. 2 is the structural representation of electro-conductive glass the second execution mode of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The present embodiment provides a kind of electro-conductive glass, comprise substrate and sodium ion barrier layer, transparency conducting layer, described substrate comprises relative smooth shiny surface and is provided with the matsurface of embossing, on the shiny surface that described sodium ion barrier layer is combined in substrate or matsurface, described transparency conducting layer is combined on sodium ion barrier layer.
Fig. 1 display be the electro-conductive glass structural representation of the first execution mode.In Fig. 1, this electro-conductive glass comprises substrate 1, sodium ion barrier layer 2, transparency conducting layer 3 and anti-reflection rete 4, described substrate 1 comprises relative smooth shiny surface 11 and is provided with the matsurface 12 of embossing, described sodium ion barrier layer 2 is combined on the shiny surface 11 of substrate 1, and described transparency conducting layer 3 is combined on sodium ion barrier layer 2.
Fig. 2 display be the structural representation of the second execution mode of embodiment electro-conductive glass.In Fig. 2, this electro-conductive glass comprises substrate 1, sodium ion barrier layer 2, transparency conducting layer 3 and anti-reflection rete 4, described substrate 1 comprises relative smooth shiny surface 11 and is provided with the matsurface 12 of embossing, described sodium ion barrier layer 2 is combined on the matsurface 12 of substrate 1, and described transparency conducting layer 3 is combined on sodium ion barrier layer 2.
Further, can be found out by Fig. 1 and Fig. 2, the matsurface 12 of the substrate 1 of this electro-conductive glass comprises alternatively distributed coarse part 121 and smooth part 122, wherein, described coarse part 121 width is preferably 5mm-30mm, and smooth part 122 width is preferably 0.1mm-2mm.Coarse part 121 on matsurface 12 ensure that this electro-conductive glass has higher optical transmittance and higher mist degree, and smooth part 122 ensure that this electro-conductive glass can not have an impact to the laser scribing of film successive process.
Further, substrate 1 thickness of this electro-conductive glass is preferably 2mm-8mm, and substrate 1 material is preferably simple glass or toughened glass.From substrate 1 material, this substrate 1 is transparent.
Further, sodium ion barrier layer 2 thickness of this electro-conductive glass is preferably 20mm-200mm, and the component of sodium ion barrier layer 2 material comprises SnO
2, Al
3o
2and TiO
2, or SiO
2, Al
3o
2and TiO
2, described Al
3o
2, TiO
2the content of total weight in the total weight of sodium ion barrier layer 2 is greater than 0, is less than or equal to 1%; This aspect, sodium ion barrier layer 2 one is used for stopping that sodium ion spreads from substrate 1 to transparency conducting layer 3, on the other hand, when being used as solar cell, be used as the anti-reflection layer between substrate 1 and silicon fiml, reduce the reflection of light at interlayer, make more incident light enter photoelectric conversion layer by transparency conducting layer 3, improve the conversion efficiency of solar cell.
Further, transparency conducting layer 3 thickness of this electro-conductive glass is preferably 500mm-1500mm, the preferred zno-based transparent conducting glass of transparency conducting layer 3 material or SnO
2base transparent conducting glass.When transparency conducting layer 3 is zno-based transparent conducting glass, also doped with at least one element in B, Al, Ge in described zno-based transparent conducting glass, in B, Al, Ge, the content of at least one element in zno-based transparent conducting glass total weight is preferably greater than 0, is less than or equal to 5%; When transparency conducting layer 3 is SnO
2during base transparent conducting glass, described SnO
2also doped with at least one element in F, Al, Ge in base transparent conducting glass, in F, Al, Ge, at least one element is at SnO
2content in base transparent conducting glass total weight is preferably greater than 0, is less than or equal to 5%.From above-mentioned material, namely transparency conducting layer 3 also claims transparent conducting glass (TCO) layer for clear glass, when being used in thin film solar cell containing above-mentioned transparency conducting layer 3 in this electro-conductive glass, mainly play two effects: one is as transparency electrode, this just needs transparent conductive film namely to have extraordinary optical transmittance, possesses extraordinary conductivity simultaneously; It is two as the light trapping structure of thin film solar cell, this just needs transparent conducting glass to have very high mist degree, the light path of incident light in hull cell photoelectric conversion layer can be increased like this, increase hull cell photoelectric conversion layer to the absorbability of incident light, thus reach raising hull cell conversion efficiency, reduce hull cell thickness, reach the object reducing hull cell cost further.
Above-mentioned electro-conductive glass adopts the one side of substrate to be provided with embossing, add the transmitance of this electro-conductive glass to visible ray and near infrared light, deduct the follow-up making herbs into wool process of this electro-conductive glass, simplify production process, by the coarse part 121 on adjustment matsurface 12 and the relative width of smooth part 122, efficiently solve the follow-up setting preparing the problem transparency conducting layer 3 that laser scribing can not focus in kind of hull cell, make this electro-conductive glass stable performance, conductivity is high; Meanwhile, this electro-conductive glass is by the setting of said structure and the character of individual structure, and make the present embodiment electro-conductive glass long service life, transparency is high.
The present embodiment additionally provides the preparation method of this electro-conductive glass, comprises the steps:
S1: obtain substrate 1, described substrate 1 comprises relative smooth shiny surface 11 and is provided with the matsurface 12 of embossing;
S2: plate sodium ion barrier layer 2 at the shiny surface 11 of substrate 1 or matsurface 12, then plate transparency conducting layer 3 on sodium ion barrier layer 2, obtain described electro-conductive glass.
In the preparation method S1 step of above-mentioned electro-conductive glass, the matsurface 12 that substrate 1 is provided with embossing preferably adopts calendering process preparation, is controlled the embossing pattern on the matsurface 12 of substrate 1 and roughness by stack.
In the preparation method S2 step of above-mentioned electro-conductive glass, on the shiny surface 11 that described sodium ion barrier layer 2 preferably adopts chemical vapour deposition technique or physical vaporous deposition to be plated in substrate 1 or matsurface 12, wherein, chemical vapour deposition technique preferably adopts aumospheric pressure cvd (APCVD), and physical vapour deposition (PVD) (PVD) method is preferably magnetron sputtering;
In the preparation method S2 step of above-mentioned electro-conductive glass, when described transparency conducting layer 3 is zno-based transparent conducting glass, preferred employing chemical vapour deposition technique or physical vaporous deposition are plated on sodium ion barrier layer 2, wherein, chemical vapour deposition technique preferably adopts low-pressure chemical vapor deposition (LPCVD), physical vapour deposition (PVD) (PVD) method is preferably adopted as magnetron sputtering, as in zno-based transparent conducting glass doped with B element time, the preparation method of preferred employing low-pressure chemical vapor deposition (LPCVD), doped with Al in zno-based transparent conducting glass, in Ge during at least one element, the preparation method of preferred employing physical vapour deposition (PVD) (PVD), when being SnO
2during base transparent conducting glass, off-line or online chemical vapour deposition technique is preferably adopted to be plated on sodium ion barrier layer 2, as SnO
2time in base transparent conducting glass doped with F and/or Al element, preferably adopt the preparation method of off-line or online aumospheric pressure cvd (APCVD), when described transparency conducting layer 3 is SnO
2time in base transparent conducting glass doped with Ge element, preferably adopt the preparation method of physical vapour deposition (PVD) (PVD).
The preparation technology of above-mentioned electro-conductive glass is simple, cost is low, condition is controlled, is suitable for suitability for industrialized production.
Electro-conductive glass just because of the present embodiment has above-mentioned advantage, and therefore, this electro-conductive glass can be applied preparing in solar cell.
Electro-conductive glass structure and preparation method thereof is illustrated below by way of multiple embodiment, and the aspect such as its performance.
Embodiment 1
As shown in Figure 1, electro-conductive glass comprises calendering hexagonal woven design former substrate 1, sodium ion barrier layer 2, transparency conducting layer 3 and anti-reflection rete 4, described substrate 1 comprises relative smooth shiny surface 11 and is provided with the matsurface 12 of embossing, on matsurface 12, coarse part 121 width is 10mm, smooth part 122 width is 1mm, described sodium ion barrier layer 2 adopts magnetically controlled sputter method to be plated on the shiny surface 11 of substrate 1, described transparency conducting layer 3 adopts the low pressure chemical phase precipitation method to be plated on sodium ion barrier layer 2, obtains electro-conductive glass.Utilize four point probe to survey the square resistance of the present embodiment transparent conducting glass, measure optical transmittance and the mist degree of the transparent transparent conducting glass of the present embodiment with spectrophotometric, specific performance index is as shown in table 1.
Table 1
* reference 1, reference 2 are FTO product conventional on market.
Embodiment 2
As shown in Figure 2, this electro-conductive glass comprises the substrate 1 of former of calendering hexagonal woven design, sodium ion barrier layer 2, transparency conducting layer 3 and anti-reflection rete 4, described substrate 1 comprises relative smooth shiny surface 11 and is provided with the matsurface 12 of embossing, on matsurface 12, coarse part 121 width is 8.9mm, smooth part 122 width is 0.8mm, described sodium ion barrier layer 2 adopts magnetically controlled sputter method to be plated on the matsurface 12 of substrate 1, described transparency conducting layer 3 adopts the low pressure chemical phase precipitation method to be plated on sodium ion barrier layer 2, obtains electro-conductive glass.Method of testing is as embodiment 1, and test result is as shown in table 2.
Table 2
* reference 1, reference 2 are FTO product conventional on market.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. an electro-conductive glass, comprise substrate, it is characterized in that: also comprise sodium ion barrier layer, transparency conducting layer, described substrate comprises relative smooth shiny surface and is provided with the matsurface of embossing, on the shiny surface that described sodium ion barrier layer is combined in substrate or matsurface, described transparency conducting layer is combined on sodium ion barrier layer; The component of described sodium ion barrier material comprises SnO
2, Al
2o
3and TiO
2, or SiO
2, Al
2o
3and TiO
2, described Al
2o
3, TiO
2the content of total weight in the total weight of sodium ion barrier layer is greater than 0, is less than or equal to 1%; Described matsurface comprises alternatively distributed coarse part and smooth part, and described coarse part width is 5mm-30mm, and described smooth part width is 0.1mm-2mm.
2. electro-conductive glass according to claim 1, is characterized in that: described sodium ion barrier layer is combined on the shiny surface of substrate, and described transparency conducting layer is combined on sodium ion barrier layer.
3. electro-conductive glass according to claim 1, is characterized in that: described sodium ion barrier layer is combined on the matsurface of substrate, and described transparency conducting layer is combined on sodium ion barrier layer.
4., according to the arbitrary described electro-conductive glass of claim 1-3, it is characterized in that:
Described substrate is simple glass or toughened glass;
Described transparency conducting layer is zno-based transparent conducting glass or SnO
2base transparent conducting glass.
5. electro-conductive glass according to claim 4, is characterized in that: when described transparency conducting layer is zno-based transparent conducting glass, also doped with at least one element in B, Al, Ge in described zno-based transparent conducting glass;
Described transparency conducting layer is SnO
2during base transparent conducting glass, described SnO
2also doped with at least one element in F, Al, Ge in base transparent conducting glass.
6. an electro-conductive glass preparation method, comprises the steps:
Obtain substrate, described substrate comprises relative smooth shiny surface and is provided with the matsurface of embossing;
Plate sodium ion barrier layer at the shiny surface of substrate or matsurface, then on sodium ion barrier layer, plate transparency conducting layer, obtain described electro-conductive glass; Wherein, the component of described sodium ion barrier material comprises SnO
2, Al
2o
3and TiO
2, or SiO
2, Al
2o
3and TiO
2, described Al
2o
3, TiO
2the content of total weight in the total weight of sodium ion barrier layer is greater than 0, is less than or equal to 1%; Described matsurface comprises alternatively distributed coarse part and smooth part, and described coarse part width is 5mm-30mm, and described smooth part width is 0.1mm-2mm.
7. electro-conductive glass preparation method according to claim 6, is characterized in that: the matsurface of the embossing of described substrate adopts calendering process to be formed;
On the shiny surface that described sodium ion barrier layer adopts chemical vapour deposition technique or physical vaporous deposition to be plated in substrate or matsurface;
Described transparency conducting layer is zno-based transparent conducting glass or SnO
2base transparent conducting glass, described zno-based transparent conducting glass adopts chemical vapour deposition technique or physical vaporous deposition to be plated on sodium ion barrier layer, described SnO
2base transparent conducting glass adopts off-line or online chemical vapour deposition technique to be plated on sodium ion barrier layer.
8. the application in solar cell prepared by the electro-conductive glass according to any one of claim 1-5.
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|---|---|---|---|
| CN201010245401.5A CN102347379B (en) | 2010-07-31 | 2010-07-31 | Conductive glass and preparation method and application thereof |
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|---|---|---|---|
| CN201010245401.5A CN102347379B (en) | 2010-07-31 | 2010-07-31 | Conductive glass and preparation method and application thereof |
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| CN102347379B true CN102347379B (en) | 2015-05-20 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1807323A (en) * | 2006-02-08 | 2006-07-26 | 中国科学院广州能源研究所 | Double-layer film structure filming glass without light pollution |
| CN101246921A (en) * | 2007-02-14 | 2008-08-20 | 北京行者多媒体科技有限公司 | Method for reinforcing light scattering ability of transparent conductive oxide |
| CN101246924A (en) * | 2007-02-14 | 2008-08-20 | 北京行者多媒体科技有限公司 | Solar battery with substrate having texture surface |
| CN101582461A (en) * | 2009-03-24 | 2009-11-18 | 新奥光伏能源有限公司 | Novel multilayer transparent conductive film structure and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01219043A (en) * | 1988-02-26 | 1989-09-01 | Nippon Sheet Glass Co Ltd | Transparent conductive glass substrate and solar-cell module |
| JP4842827B2 (en) * | 2005-05-19 | 2011-12-21 | パナソニック株式会社 | Nitride semiconductor device and manufacturing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1807323A (en) * | 2006-02-08 | 2006-07-26 | 中国科学院广州能源研究所 | Double-layer film structure filming glass without light pollution |
| CN101246921A (en) * | 2007-02-14 | 2008-08-20 | 北京行者多媒体科技有限公司 | Method for reinforcing light scattering ability of transparent conductive oxide |
| CN101246924A (en) * | 2007-02-14 | 2008-08-20 | 北京行者多媒体科技有限公司 | Solar battery with substrate having texture surface |
| CN101582461A (en) * | 2009-03-24 | 2009-11-18 | 新奥光伏能源有限公司 | Novel multilayer transparent conductive film structure and preparation method thereof |
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