CN107967967B - The preparation method of stibium-doped zinc oxide, tin oxide cladding silica conducting powder - Google Patents
The preparation method of stibium-doped zinc oxide, tin oxide cladding silica conducting powder Download PDFInfo
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- CN107967967B CN107967967B CN201711268161.9A CN201711268161A CN107967967B CN 107967967 B CN107967967 B CN 107967967B CN 201711268161 A CN201711268161 A CN 201711268161A CN 107967967 B CN107967967 B CN 107967967B
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- doped zinc
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 99
- 239000000377 silicon dioxide Substances 0.000 title claims abstract description 46
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 239000000843 powder Substances 0.000 title claims abstract description 43
- 238000002360 preparation method Methods 0.000 title claims abstract description 26
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 229910001887 tin oxide Inorganic materials 0.000 title claims abstract description 23
- 239000011787 zinc oxide Substances 0.000 title claims abstract description 22
- 238000005253 cladding Methods 0.000 title claims abstract description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 42
- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000000725 suspension Substances 0.000 claims abstract description 18
- PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000012153 distilled water Substances 0.000 claims abstract description 16
- 238000003756 stirring Methods 0.000 claims abstract description 15
- 230000032683 aging Effects 0.000 claims abstract description 8
- 235000013312 flour Nutrition 0.000 claims abstract description 8
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 8
- 238000005406 washing Methods 0.000 claims abstract description 8
- 230000002572 peristaltic effect Effects 0.000 claims abstract description 7
- 239000012670 alkaline solution Substances 0.000 claims abstract description 5
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 24
- 239000000243 solution Substances 0.000 claims description 19
- 229910021627 Tin(IV) chloride Inorganic materials 0.000 claims description 9
- 238000003287 bathing Methods 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 7
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 7
- 239000011592 zinc chloride Substances 0.000 claims description 7
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 6
- 239000011259 mixed solution Substances 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 150000003839 salts Chemical class 0.000 claims 1
- 239000000919 ceramic Substances 0.000 abstract description 8
- 239000004033 plastic Substances 0.000 abstract description 8
- 229920003023 plastic Polymers 0.000 abstract description 8
- 239000011248 coating agent Substances 0.000 abstract description 7
- 238000000576 coating method Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 6
- 229910052751 metal Inorganic materials 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 4
- 239000012767 functional filler Substances 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 235000014692 zinc oxide Nutrition 0.000 description 12
- 239000000945 filler Substances 0.000 description 5
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 5
- 238000003837 high-temperature calcination Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910003978 SiClx Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/06—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances
- H01B1/08—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances oxides
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Paints Or Removers (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Cosmetics (AREA)
Abstract
The invention belongs to functional material preparation technical fields, and in particular to the preparation method of a kind of stibium-doped zinc oxide, tin oxide cladding silica conducting powder.Pure silica flour is put into the beaker for fill the distilled water for adjusting pH value with hydrochloric acid and is stirred, obtains the suspension of silica；By Zn2+、Sn4+With Sb3+Mixed liquor and alkaline solution respectively through peristaltic pump control instilled in the suspension of silica simultaneously；After mixed liquor drips, continue heating stirring；Ageing, filter, washing after resulting presoma is dried, be subsequently placed in Muffle furnace be heat-treated to get.The present invention not only conductive chemical stability that can not have again with the materials such as metal, with antistatic property；Also have certain hiding rare, whiteness good simultaneously, as the functional filler of the preparation process such as plastics, coating, ceramics, is widely used.
Description
Technical field
The invention belongs to functional material preparation technical fields, and in particular to a kind of stibium-doped zinc oxide, tin oxide coat oxygen
The preparation method of SiClx conducting powder.
Background technique
The conducting powders such as the metal-oxide powder after common metal system powder, carbon system powder and doping are as plastics, painting
The functional filler of the preparation process such as material, can assign basis material antistatic property, be widely used.But metal system powder
Body, carbon system powder cannot be used in the production technology that anti-static ceramic etc. needs high-temperature calcination, cannot assign after high-temperature calcination
The functionality of product antistatic；Antimony-doped tin oxide powder (ATO) is although can be used for the production technology of high-temperature calcination, valence
Lattice are expensive and powder color is deeper, larger using limitation；" the preparation and electrical property of antimony-doped tin oxide cladding silica conducting powder
Can " silica only is coated with antimony-doped tin oxide in (silicate journal in April, 2009) article, powder color obtained is still
It is deep, and the relatively high preparation process energy consumption of heat treatment temperature is higher.
Summary of the invention
The object of the present invention is to provide a kind of stibium-doped zinc oxide, tin oxide cladding silica conducting powder preparation method,
Obtained stibium-doped zinc oxide, tin oxide coats silica conducting powder, and clad is fine and close, continuous, uniform, has good conduction
The advantages that performance, powder of light color, is greatly reduced than (ATO) conducting powder cost made from antimony-doped tin oxide.
The preparation method of stibium-doped zinc oxide of the present invention, tin oxide cladding silica conducting powder, steps are as follows:
(1) pure silica flour is put into the beaker for filling the distilled water for adjusting pH value with hydrochloric acid, silica is kept to distill
Content in water, and place the beaker and stirred in thermostatted water bathing pool, obtain the suspension of silica；
(2) by ZnCl2And SnCl4It is dissolved in wiring solution-forming in hydrochloric acid, while SbCl is added3, form Zn2+、Sn4+With Sb3+
Mixed liquor；
(3) it will prepare containing Zn2+、Sn4+And Sb3+Hydrochloric acid mixed solution and alkaline solution respectively through peristaltic pump control simultaneously
It instills in the suspension of silica, the pH value of suspension remains 2.0-3.0；
(4) after mixed liquor drips, continue heating stirring；Ageing filters, dries resulting presoma after washing
It is dry, be subsequently placed in Muffle furnace be heat-treated to get.
PH value described in step (1) is 2.0-3.0, and content of the silica in distilled water is 0.5g/ml.
The temperature of thermostatted water bathing pool described in step (1) is 80 DEG C.
ZnCl described in step (2)2And SnCl4Mass ratio be 1:3-4.
The concentration of solution described in step (2) is 0.6-0.8mol/L.
Zn in mixed liquor described in step (2)2+And Sn4+Mixture and Sb3+Molar ratio be 1:0.03-0.04.
The instillation rate of mixed liquor described in step (3) is 0.5ml/min.
Alkaline solution described in step (3) is sodium hydroxide solution or potassium hydroxide solution.
The additional amount of mixed liquor described in step (3) is the 15-100% of siliconoxide mass.
The heating stirring time described in step (4) is 30min, and drying temperature is 130-150 DEG C, drying time 6-8
Hour, heat treatment temperature is 400-800 DEG C, and the heating rate of heat treatment is 3 DEG C/min, heat treatment time 30min.
The content ﹥ 99.5% of silica, diameter are 20~25 microns.
The present invention prepares stibium-doped zinc oxide using silica powder as carrier, with heterogeneous nucleation process, tin oxide coats oxygen
Then SiClx obtains conductive powder body in 400 DEG C~800 DEG C heat treatments.
Compared with prior art, the present invention having the following beneficial effects:
Silica has a whiteness height, free from admixture, the features such as iron is low, at normal temperature with it is non-conductive under visible light, will aoxidize
Silicon is converted into semiconductor by stibium-doped zinc oxide, the processing of tin oxide cladding, can obtain " stibium-doped zinc oxide, tin oxide packet
Cover silica conducting powder ".Zinc oxide is commonly called as zinc white, introduces zinc ion in the present invention, can both reduce place during heat treatment
100 DEG C of temperature or so of reason, also can be improved powder whiteness, while even if being not incorporated into any other substance, and zinc oxide has N-type half
The feature of conductor facilitates the electric conductivity of powder.The fundamental property of stibium-doped zinc oxide, tin oxide cladding silica conducting powder
Be: the not only conductive chemical stability that can but also there are the materials such as metal not have has antistatic property；Simultaneously also
It is good with certain hiding rare, whiteness, as the functional filler of the preparation process such as plastics, coating, ceramics, it is widely used.
Specific embodiment
The present invention is described further with reference to embodiments.
Embodiment 1
(1) 100 grams of pure silica flours are put into fill and are adjusted with hydrochloric acid in the beaker that pH value is 2.0~3.0 distilled water, kept
Content of the silica in distilled water is 0.5g/ml, and places the beaker and stir in 80 DEG C of thermostatted water bathing pools；
(2) by ZnCl2、SnCl4The solution for being made into that concentration is 0.6mol/L in hydrochloric acid is dissolved in by the mass ratio of 1:3, simultaneously
SbCl is added3, form Zn2+And Sn4+Mixture and Sb3+Molar ratio be 1:0.03 mixed liquor；
(3) it will prepare containing Zn2+、Sn4+And Sb3+Hydrochloric acid mixed solution with suitable sodium hydroxide solution respectively through wriggling
Pump is controlled while being instilled in the suspension of silica, and the instillation rate of mixed liquor is 0.5ml/min, adjusts sodium hydroxide solution
Instilling rate makes the pH value of suspension remain 2.0~3.0；
(4) choosing mixed liquor additional amount is that siliconoxide mass 15% coats silica；
(5) after mixed liquor drips, continue heating stirring 30min；Ageing filters, resulting presoma exists after washing
130 DEG C carry out drying 6 hours, the too high electric conductivity that will affect product of temperature.It is subsequently placed in Muffle furnace and carries out hot place in 400 DEG C
Reason, heating rate are 3 DEG C/min, keep the temperature 30min.
Powder clad obtained is finer and close, continuous and uniform, color canescence, 108.5 Ω of resistivity of powder
Cm, can satisfy the anti-static function filler as preparation process such as plastics, coating, ceramics, and performance is stablized.
Embodiment 2
(1) 100 grams of pure silica flours are put into fill and are adjusted with hydrochloric acid in the beaker that pH value is 2.0~3.0 distilled water, kept
Content of the silica in distilled water is 0.5g/ml, and places the beaker and stir in 80 DEG C of thermostatted water bathing pools；
(2) by ZnCl2、SnCl4The solution for being made into that concentration is 0.8mol/L in hydrochloric acid is dissolved in by the mass ratio of 1:3, simultaneously
SbCl is added3, form Zn2+And Sn4+Mixture and Sb3+Molar ratio be 1:0.03 mixed liquor；
(3) it will prepare containing Zn2+、Sn4+And Sb3+Hydrochloric acid solution and suitable potassium hydroxide solution respectively through peristaltic pump
It controls while instilling in the suspension of silica, the instillation rate of mixed liquor is 0.5ml/min, adjusts the drop of potassium hydroxide solution
Entering rate makes the pH value of suspension remain 2.0~3.0；
(4) choosing mixed liquor additional amount is that siliconoxide mass 30% coats silica；
(5) after mixed liquor drips, continue heating stirring 30min；Ageing filters, resulting presoma exists after washing
150 DEG C carry out drying 8 hours, the too high electric conductivity that will affect product of temperature.It is subsequently placed in Muffle furnace and carries out hot place in 500 DEG C
Reason, heating rate are 3 DEG C/min, keep the temperature 30min.
Powder clad obtained is finer and close, continuous and uniform, color canescence, 92.4 Ω of resistivity of powder
Cm, can satisfy the anti-static function filler as preparation process such as plastics, coating, ceramics, and performance is stablized.
Embodiment 3
(1) 100 grams of pure silica flours are put into fill and are adjusted with hydrochloric acid in the beaker that pH value is 2.0~3.0 distilled water, kept
Content of the silica in distilled water is 0.5g/ml, and places the beaker and stir in 80 DEG C of thermostatted water bathing pools；
(2) by ZnCl2、SnCl4The solution for being made into that concentration is 0.7mol/L in hydrochloric acid is dissolved in by the mass ratio of 1:4, simultaneously
SbCl is added3, form Zn2+And Sn4+Mixture and Sb3+Molar ratio be 1:0.04 mixed liquor；
(3) it will prepare containing Zn2+、Sn4+And Sb3+Hydrochloric acid solution and suitable sodium hydroxide solution respectively through peristaltic pump
It controls while instilling in the suspension of silica, the instillation rate of mixed liquor is 0.5ml/min, adjusts the drop of sodium hydroxide solution
Entering rate makes the pH value of suspension remain 2.0~3.0；
(4) choosing mixed liquor additional amount is that siliconoxide mass 50% coats silica；
(5) after mixed liquor drips, continue heating stirring 30min；Ageing filters, resulting presoma exists after washing
130 DEG C carry out drying 7 hours, the too high electric conductivity that will affect product of temperature.It is subsequently placed in Muffle furnace and carries out hot place in 600 DEG C
Reason, heating rate are 3 DEG C/min, keep the temperature 30min.
Powder clad obtained is finer and close, continuous and uniform, color canescence, 68.9 Ω of resistivity of powder
Cm, can satisfy the anti-static function filler as preparation process such as plastics, coating, ceramics, and performance is stablized.
Embodiment 4
(1) 100 grams of pure silica flours are put into fill and are adjusted with hydrochloric acid in the beaker that pH value is 2.0~3.0 distilled water, kept
Content of the silica in distilled water is 0.5g/ml, and places the beaker and stir in 80 DEG C of thermostatted water bathing pools；
(2) by ZnCl2、SnCl4The solution for being made into that concentration is 0.65mol/L in hydrochloric acid is dissolved in by the mass ratio of 1:4, together
When SbCl is added3, form Zn2+And Sn4+Mixture and Sb3+Molar ratio be 1:0.04 mixed liquor；
(3) it will prepare containing Zn2+、Sn4+And Sb3+Hydrochloric acid solution and suitable sodium hydroxide solution respectively through peristaltic pump
It controls while instilling in the suspension of silica, the instillation rate of mixed liquor is 0.5ml/min, adjusts the drop of sodium hydroxide solution
Entering rate makes the pH value of suspension remain 2.0~3.0；
(4) choosing mixed liquor additional amount is that siliconoxide mass 75% coats silica；
(5) after mixed liquor drips, continue heating stirring 30min；Ageing filters, resulting presoma exists after washing
140 DEG C carry out drying 8 hours, the too high electric conductivity that will affect product of temperature.It is subsequently placed in Muffle furnace and carries out hot place in 700 DEG C
Reason, heating rate are 3 DEG C/min, keep the temperature 30min.
Powder clad obtained is finer and close, continuous and uniform, color canescence, 49.2 Ω of resistivity of powder
Cm, can satisfy the anti-static function filler as preparation process such as plastics, coating, ceramics, and performance is stablized.
Embodiment 5
(1) 100 grams of pure silica flours are put into fill and are adjusted with hydrochloric acid in the beaker that pH value is 2.0~3.0 distilled water, kept
Content of the silica in distilled water is 0.5g/ml, and places the beaker and stir in 80 DEG C of thermostatted water bathing pools；
(2) by ZnCl2、SnCl4The solution for being made into that concentration is 0.72mol/L in hydrochloric acid is dissolved in by the mass ratio of 1:3.5,
SbCl is added simultaneously3, form Zn2+And Sn4+Mixture and Sb3+Molar ratio be 1:0.035 mixed liquor；
(3) it will prepare containing Zn2+、Sn4+And Sb3+Hydrochloric acid solution and suitable potassium hydroxide solution respectively through peristaltic pump
It controls while instilling in the suspension of silica, the instillation rate of mixed liquor is 0.5ml/min, adjusts the drop of potassium hydroxide solution
Entering rate makes the pH value of suspension remain 2.0~3.0；
(4) choosing mixed liquor additional amount is that siliconoxide mass 100% coats silica；
(5) after mixed liquor drips, continue heating stirring 30min；Ageing filters, resulting presoma exists after washing
150 DEG C carry out drying 6 hours, the too high electric conductivity that will affect product of temperature.It is subsequently placed in Muffle furnace and carries out hot place in 800 DEG C
Reason, heating rate are 3 DEG C/min, keep the temperature 30min.
Powder clad obtained is finer and close, continuous and uniform, and color is light grey, 39.7 Ω of resistivity of powder
Cm, can satisfy the anti-static function filler as preparation process such as plastics, coating, ceramics, and performance is stablized.
Claims (8)
1. the preparation method of a kind of stibium-doped zinc oxide, tin oxide cladding silica conducting powder, it is characterised in that steps are as follows:
(1) pure silica flour is put into the beaker filled with the distilled water of salt acid for adjusting pH value, keeps silica in distilled water
Content, and place the beaker and stirred in thermostatted water bathing pool, obtain the suspension of silica；
(2) by ZnCl2And SnCl4It is dissolved in wiring solution-forming in hydrochloric acid, while SbCl is added3, form Zn2+、Sn4+With Sb3+It is mixed
Close liquid；
(3) it will prepare containing Zn2+、Sn4+And Sb3+Hydrochloric acid mixed solution and alkaline solution instilled simultaneously through peristaltic pump control respectively
In the suspension of silica, the pH value of suspension remains 2.0-3.0；
(4) after mixed liquor drips, continue heating stirring；Ageing filters, dries resulting presoma after washing, so
Be placed in Muffle furnace be heat-treated to get；
ZnCl described in step (2)2And SnCl4Mass ratio be 1:3-4；
Zn in mixed liquor described in step (2)2+And Sn4+Mixture and Sb3+Molar ratio be 1:0.03-0.04.
2. stibium-doped zinc oxide according to claim 1, tin oxide coat the preparation method of silica conducting powder, feature
It is that pH value described in step (1) is 2.0-3.0, content of the silica in distilled water is 0.5g/mL.
3. stibium-doped zinc oxide according to claim 1, tin oxide coat the preparation method of silica conducting powder, feature
The temperature for being thermostatted water bathing pool described in step (1) is 80 DEG C.
4. stibium-doped zinc oxide according to claim 1, tin oxide coat the preparation method of silica conducting powder, feature
The concentration for being solution described in step (2) is 0.6-0.8mol/L.
5. stibium-doped zinc oxide according to claim 1, tin oxide coat the preparation method of silica conducting powder, feature
The instillation rate for being mixed liquor described in step (3) is 0.5mL/min.
6. stibium-doped zinc oxide according to claim 1, tin oxide coat the preparation method of silica conducting powder, feature
It is that alkaline solution described in step (3) is sodium hydroxide solution or potassium hydroxide solution.
7. stibium-doped zinc oxide according to claim 1, tin oxide coat the preparation method of silica conducting powder, feature
The additional amount for being mixed liquor described in step (3) is the 15-100% of siliconoxide mass.
8. stibium-doped zinc oxide according to claim 1, tin oxide coat the preparation method of silica conducting powder, feature
It is that the heating stirring time described in step (4) is 30min, drying temperature is 130-150 DEG C, and drying time is 6-8 hours,
Heat treatment temperature is 400-800 DEG C, and the heating rate of heat treatment is 3 DEG C/min, heat treatment time 30min.
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| CN103985430A (en) * | 2014-05-28 | 2014-08-13 | 天津大学 | Antimony-doped tin oxide cladding titanium dioxide composite conductive material and preparation method |
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| CN101174485A (en) * | 2007-10-17 | 2008-05-07 | 中南大学 | Production method for inorganic compound conductive powder body |
| CN102249293A (en) * | 2011-04-19 | 2011-11-23 | 杭州腾石科技有限公司 | Method for preparing pyrophillite-based antimony-doped tin oxide compound conductive powder |
| KR20130073833A (en) * | 2011-12-23 | 2013-07-03 | 헤레우스 프레셔스 메탈스 게엠베하 운트 코. 카게 | Thick-film composition containing antimony oxides and their use in the manufacture of semiconductor devices |
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