WO2012157917A1 - 신규한 화합물 반도체 및 그 활용 - Google Patents
신규한 화합물 반도체 및 그 활용 Download PDFInfo
- Publication number
- WO2012157917A1 WO2012157917A1 PCT/KR2012/003740 KR2012003740W WO2012157917A1 WO 2012157917 A1 WO2012157917 A1 WO 2012157917A1 KR 2012003740 W KR2012003740 W KR 2012003740W WO 2012157917 A1 WO2012157917 A1 WO 2012157917A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- compound semiconductor
- present
- heat treatment
- thermoelectric conversion
- formula
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B19/00—Selenium; Tellurium; Compounds thereof
- C01B19/002—Compounds containing, besides selenium or tellurium, more than one other element, with -O- and -OH not being considered as anions
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G51/00—Compounds of cobalt
- C01G51/80—Compounds containing cobalt, with or without oxygen or hydrogen, and containing one or more other elements
- C01G51/82—Compounds containing cobalt, with or without oxygen or hydrogen, and containing two or more other elements
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
- H10F77/00—Constructional details of devices covered by this subclass
- H10F77/10—Semiconductor bodies
- H10F77/12—Active materials
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N10/00—Thermoelectric devices comprising a junction of dissimilar materials, i.e. devices exhibiting Seebeck or Peltier effects
- H10N10/80—Constructional details
- H10N10/85—Thermoelectric active materials
- H10N10/851—Thermoelectric active materials comprising inorganic compositions
- H10N10/852—Thermoelectric active materials comprising inorganic compositions comprising tellurium, selenium or sulfur
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/50—Solid solutions
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/40—Electric properties
Definitions
- the present invention relates to a novel compound semiconductor material that can be used for solar cells, thermoelectric materials and the like, a method for producing the same, and a use thereof.
- Compound A semiconductor is a compound which acts as a semiconductor by combining two or more elements rather than a single element such as silicon or germanium.
- Various kinds of such compound semiconductors are currently developed and used in various fields.
- a compound semiconductor may be used in a thermoelectric conversion element using a Peltier effect, a light emitting element such as a light emitting diode or a laser diode using the photoelectric conversion effect, and a solar cell.
- thermoelectric conversion element may be applied to thermoelectric conversion power generation, thermoelectric conversion cooling, etc.
- thermoelectric conversion power generation uses a thermoelectric power generated by providing a temperature difference to the thermoelectric conversion element, and converts thermal energy into electrical energy. to be.
- thermoelectric conversion element The energy conversion efficiency of such a thermoelectric conversion element depends on ZT, which is a figure of merit value of the thermoelectric conversion material.
- ZT is determined according to Seebeck coefficient, electrical conductivity and thermal conductivity, and more specifically, is proportional to the square of the Seebeck coefficient and electrical conductivity and inversely proportional to the thermal conductivity. Therefore, in order to increase the energy conversion efficiency of the thermoelectric conversion element, it is necessary to develop a thermoelectric conversion material having a high Seebeck coefficient or high electrical conductivity or low thermal conductivity.
- the solar cell is a tandem solar cell in which two or more layers of a silicon solar cell mainly using a single element of silicon, a compound semiconductor solar cell using a compound semiconductor, and a solar cell having different bandgap energy are stacked. And the like.
- compound semiconductor solar cells use compound semiconductors in the light absorption layer that absorbs sunlight to generate electron-hole pairs.
- group III-V compound semiconductors such as GaAs, InP, GaAlAs, GaInAs, CdS, CdTe, Group II-VI compound semiconductors, such as ZnS, the group I-III-VI compound semiconductor represented by CuInSe 2 , etc. can be used.
- the light absorbing layer of the solar cell is required to be excellent in long-term electrical and optical stability, high in photoelectric conversion efficiency, and to easily control band gap energy or conductivity by changing composition or doping.
- requirements such as manufacturing cost and yield must also be satisfied.
- many conventional compound semiconductors do not meet all of these requirements together.
- thermoelectric conversion materials such as thermoelectric conversion materials, solar cells, etc. of thermoelectric conversion elements
- thermoelectrics using the same It aims at providing a conversion element, a solar cell, etc.
- the present inventors have succeeded in synthesizing the compound semiconductor represented by the following formula (1) after repeated studies on the compound semiconductor, and the compound is a thermoelectric conversion material of a thermoelectric conversion element, a light absorbing layer of a solar cell, It was confirmed that it can be used to complete the present invention.
- Q is at least one selected from the group consisting of O, S, Se, and Te, and 0 ⁇ x ⁇ 0.5, 0 ⁇ a ⁇ 1, 0 ⁇ b ⁇ 3, and 0 ⁇ z ⁇ 4. .
- x is 0 ⁇ x ⁇ 0.4.
- 0 is 0 ⁇ a ⁇ 0.5.
- b is 0 ⁇ b ⁇ 1.
- z may be 0 ⁇ z ⁇ 2.5.
- the compound semiconductor manufacturing method according to the present invention for achieving the above object is any one selected from the group consisting of In, Co and Sb, O, S, Se and Te or two or more of these elements or oxides thereof Mixing the; And heat treating the mixture formed in the mixing step.
- the heat treatment step is performed at 400 °C to 800 °C.
- the heat treatment step may include two or more heat treatment steps.
- thermoelectric conversion element according to the present invention for achieving the above object includes the compound semiconductor described above.
- the solar cell according to the present invention for achieving the above object includes the compound semiconductor described above.
- a novel compound semiconductor material is provided.
- such a novel compound semiconductor can be used as another material in place of or in addition to the conventional compound semiconductor.
- thermoelectric conversion performance of the compound semiconductor is good, it can be usefully used in the thermoelectric conversion element.
- the compound semiconductor according to the present invention may be improved in the thermal conductivity characteristics, ZT value of the thermoelectric performance index can be improved. Therefore, in the case of the compound semiconductor according to the present invention, it can be suitably used as a thermoelectric conversion material of the thermoelectric conversion element.
- a compound semiconductor may be used in a solar cell.
- the compound semiconductor according to the present invention can be used as a light absorption layer of a solar cell.
- the compound semiconductor may be used in an IR window, an infrared sensor, a magnetic element, a memory, etc. for selectively passing infrared rays.
- 1 is a graph illustrating thermal conductivity values according to temperature changes of compound semiconductors of Examples and Comparative Examples manufactured according to the present invention.
- the present invention provides a novel compound semiconductor represented by the following formula (1).
- Q is at least one selected from the group consisting of O, S, Se, and Te.
- x, a, b, and z satisfy a range of 0 ⁇ x ⁇ 0.5, 0 ⁇ a ⁇ 1, 0 ⁇ b ⁇ 3, and 0 ⁇ z ⁇ 4.
- x may satisfy a range of 0 ⁇ x ⁇ 0.4.
- x may satisfy a range of 0 ⁇ x ⁇ 0.25.
- a may satisfy a range of 0 ⁇ a ⁇ 0.5.
- b may satisfy a range of 0 ⁇ b ⁇ 1.
- b in Formula 1 satisfies the range of 0 ⁇ b ⁇ 0.5.
- z may satisfy a range of 0 ⁇ z ⁇ 2.5.
- z may satisfy a range of 0 ⁇ z ⁇ 1.5.
- the compound semiconductor represented by Formula 1 may include a part of the secondary phase, the amount may vary depending on the heat treatment conditions.
- the compound semiconductor described above may include forming a mixture including In, Co, and Sb, and any one selected from the group consisting of O, S, Se, and Te, or an oxide thereof, or an oxide thereof; And heat-treating the mixture.
- each raw material mixed in the mixture forming step may be in powder form, but the present invention is not necessarily limited to the specific type of such mixed raw material.
- the heat treatment step may be performed while flowing a gas such as Ar, He, N 2 , which contains a part of hydrogen or does not include hydrogen in a vacuum.
- a gas such as Ar, He, N 2 , which contains a part of hydrogen or does not include hydrogen in a vacuum.
- the heat treatment temperature may be 400 °C to 800 °C.
- the heat treatment temperature may be 450 °C to 700 °C. More preferably, the heat treatment temperature may be 500 °C to 650 °C.
- the heat treatment step may include two or more heat treatment steps.
- the mixture formed in the step of forming the mixture that is, mixing the raw materials, may be subjected to a first heat treatment at a first temperature, and then to a second heat treatment at a second temperature.
- some heat treatment steps of the plurality of heat treatment steps may be performed in the mixture forming step of mixing the raw materials.
- the heat treatment step may include three heat treatment steps of a first heat treatment step, a second heat treatment step, and a third heat treatment (sintering) step.
- the first heat treatment step may be performed at a temperature range of 400 ° C. to 600 ° C.
- the second heat treatment step and the third heat treatment step may be performed at a temperature range of 600 ° C. to 800 ° C.
- FIG. the first heat treatment step may be performed during the mixture formation step of mixing the raw materials, and the second heat treatment step and the third heat treatment step may be sequentially performed thereafter.
- thermoelectric conversion element according to the present invention may include the compound semiconductor described above. That is, the compound semiconductor according to the present invention can be used as a thermoelectric conversion material of the thermoelectric conversion element.
- the compound semiconductor according to the present invention has a large ZT which is a figure of merit of a thermoelectric conversion material.
- the Seebeck coefficient and electrical conductivity are high, and the thermal conductivity is low, so the thermoelectric conversion performance is excellent. Therefore, the compound semiconductor according to the present invention can be usefully used in a thermoelectric conversion element in place of or in addition to a conventional thermoelectric conversion material.
- the solar cell according to the present invention may include the compound semiconductor described above. That is, the compound semiconductor according to the present invention can be used as a light absorbing layer of solar cells, in particular solar cells.
- the solar cell can be manufactured in a structure in which a front transparent electrode, a buffer layer, a light absorbing layer, a back electrode, a substrate, and the like are sequentially stacked from the side where sunlight is incident.
- the bottommost substrate may be made of glass, and the back electrode formed on the entire surface may be formed by depositing a metal such as Mo.
- the light absorbing layer may be formed by stacking the compound semiconductor according to the present invention on the back electrode by an electron beam deposition method, a sol-gel method, or a pulsed laser deposition (PLD) method.
- PLD pulsed laser deposition
- the buffer layer may be formed of a material such as CdS (Chemical Bath Deposition). It can be formed by depositing in the manner of.
- a front transparent electrode may be formed on the buffer layer by a layered film of ZnO or ZnO and ITO by sputtering or the like.
- the solar cell according to the present invention may be variously modified.
- stacked the solar cell using the compound semiconductor which concerns on this invention as a light absorption layer can be manufactured.
- stacked in this way can use the solar cell using silicon or another known compound semiconductor.
- the band gap of the compound semiconductor of the present invention by changing the band gap of the compound semiconductor of the present invention, a plurality of solar cells using compound semiconductors having different band gaps as light absorbing layers can be laminated.
- the band gap of the compound semiconductor according to the present invention can be controlled by changing the composition ratio of the constituent elements constituting the compound, in particular Te.
- the compound semiconductor according to the present invention may be applied to an infrared window (IR window) or an infrared sensor for selectively passing infrared rays.
- IR window infrared window
- infrared sensor for selectively passing infrared rays.
- Some of the sample thus synthesized were molded into discs of 10 mm in diameter and 1 mm in thickness, and then pressurized to 200 MPa using CIP. The resultant was then placed in a quartz tube and vacuum sintered for 12 hours.
- the thermal conductivity was measured at predetermined temperature intervals using LFA457 (Netzsch, Inc), and the results are shown in FIG. 1 as examples.
- Co and Sb were prepared as reagents, and these were mixed well using mortar to prepare a mixture of In 0.25 Co 4 Sb 12 composition in pellet form. Then, heating was performed at 500 ° C. for 15 hours while flowing H 2 (1.94%) and N 2 gas, and the temperature increase time was 1 hour 30 minutes.
- the mixed materials were put in a silica tube and vacuum sealed and heated at 650 ° C. for 36 hours, but the temperature rise time was 1 hour 30 minutes to obtain In 0.25 Co 4 Sb 12 powder.
- thermal conductivity was measured at predetermined temperature intervals using LFA457 (Netzsch, Inc), and the results are shown in FIG. 1 as a comparative example.
- the compound semiconductor of the example of the present invention represented by In 0.25 Co 3.9 Sb 11.2 Te 0.5 is compared to the compound semiconductor of the comparative example represented by In 0.25 Co 4 Sb 12 .
- the thermal conductivity ( ⁇ ) is significantly lower over time.
- the compound semiconductor of the comparative example increases in thermal conductivity while the compound semiconductor of the example continues to decrease in thermal conductivity. Therefore, in the case of the compound semiconductor according to the present invention, it may have improved thermal conductivity characteristics at high temperatures.
- the ZT value which is a thermoelectric performance index, may be expressed as follows.
- ⁇ electrical conductivity
- S Seebeck coefficient
- T temperature
- ⁇ thermal conductivity
- the compound semiconductor according to the present invention Since the compound semiconductor according to the present invention has low thermal conductivity, the ZT value may be improved. Therefore, the compound semiconductor according to the present invention can be said to have excellent thermoelectric performance, and can be very usefully used as a thermoelectric conversion material.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Photovoltaic Devices (AREA)
- Powder Metallurgy (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
Description
Claims (10)
- 하기 화학식 1로 표시되는 화합물 반도체.<화학식 1>InxCo4-aSb12-z-bQz상기 화학식 1에서, Q는 O, S, Se 및 Te로 이루어진 군으로부터 선택된 적어도 어느 하나 이상이고, 0<x≤0.5, 0≤a≤1, 0<b≤3, 및 0<z≤4이다.
- 제1항에 있어서,상기 화학식 1의 x는, 0<x≤0.4인 것을 특징으로 하는 화합물 반도체.
- 제1항에 있어서,상기 화학식 1의 a는, 0<a≤0.5인 것을 특징으로 하는 화합물 반도체.
- 제1항에 있어서,상기 화학식 1의 b는, 0<b≤1인 것을 특징으로 하는 화합물 반도체.
- 제1항에 있어서,상기 화학식 1의 z는, 0<z≤2.5인 것을 특징으로 하는 화합물 반도체.
- In, Co 및 Sb와, O, S, Se 및 Te로 이루어진 군으로부터 선택된 어느 하나 또는 이들 중 2종 이상의 원소 또는 그 산화물을 포함하는 혼합물을 형성하는 단계; 및상기 혼합물을 열처리하는 단계를 포함하는 제1항의 화합물 반도체의 제조 방법.
- 제6항에 있어서,상기 열처리 단계는, 400℃ 내지 800℃에서 수행되는 것을 특징으로 하는 화합물 반도체의 제조 방법.
- 제6항에 있어서,상기 열처리 단계는, 둘 이상의 열처리 단계를 포함하는 것을 특징으로 하는 화합물 반도체의 제조 방법.
- 제1항 내지 제5항 중 어느 한 항에 따른 화합물 반도체를 포함하는 열전 변환 소자.
- 제1항 내지 제5항 중 어느 한 항에 따른 화합물 반도체를 포함하는 태양 전지.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201280023795.7A CN103534201B (zh) | 2011-05-13 | 2012-05-11 | 新的化合物半导体及其用途 |
| JP2014506351A JP5767399B2 (ja) | 2011-05-13 | 2012-05-11 | 新規な化合物半導体及びその活用 |
| EP12785692.0A EP2708498B1 (en) | 2011-05-13 | 2012-05-11 | Novel compound semiconductor and usage for same |
| US13/616,494 US8703024B2 (en) | 2011-05-13 | 2012-09-14 | Compound semiconductors and their application |
Applications Claiming Priority (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2011-0045348 | 2011-05-13 | ||
| KR20110045349 | 2011-05-13 | ||
| KR20110045348 | 2011-05-13 | ||
| KR10-2011-0045349 | 2011-05-13 | ||
| KR20110049609 | 2011-05-25 | ||
| KR10-2011-0049609 | 2011-05-25 | ||
| KR1020120050458A KR101431771B1 (ko) | 2011-05-13 | 2012-05-11 | 신규한 화합물 반도체 및 그 활용 |
| KR10-2012-0050458 | 2012-05-11 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US13/616,494 Continuation US8703024B2 (en) | 2011-05-13 | 2012-09-14 | Compound semiconductors and their application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2012157917A1 true WO2012157917A1 (ko) | 2012-11-22 |
Family
ID=47177153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2012/003740 Ceased WO2012157917A1 (ko) | 2011-05-13 | 2012-05-11 | 신규한 화합물 반도체 및 그 활용 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8703024B2 (ko) |
| EP (1) | EP2708498B1 (ko) |
| JP (1) | JP5767399B2 (ko) |
| CN (1) | CN103534201B (ko) |
| TW (1) | TWI465399B (ko) |
| WO (1) | WO2012157917A1 (ko) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2708502B1 (en) * | 2011-05-13 | 2017-07-26 | LG Chem, Ltd. | Novel compound semiconductor and usage for same |
| WO2012157904A1 (ko) * | 2011-05-13 | 2012-11-22 | 주식회사 엘지화학 | 신규한 화합물 반도체 및 그 활용 |
| CN103562127B (zh) * | 2011-05-13 | 2016-07-13 | Lg化学株式会社 | 新的化合物半导体及其用途 |
| WO2012157915A1 (ko) * | 2011-05-13 | 2012-11-22 | 주식회사 엘지화학 | 신규한 화합물 반도체 및 그 활용 |
| CN103517871B (zh) * | 2011-05-13 | 2015-08-19 | Lg化学株式会社 | 化合物半导体及其用途 |
| KR102123042B1 (ko) * | 2016-12-28 | 2020-06-15 | 주식회사 엘지화학 | 신규한 화합물 반도체 및 그 활용 |
| KR102003352B1 (ko) * | 2017-03-15 | 2019-07-23 | 주식회사 엘지화학 | 신규한 화합물 반도체 및 그 활용 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060125789A (ko) * | 2003-12-08 | 2006-12-06 | 이 아이 듀폰 디 네모아 앤드 캄파니 | 고성능 열전 물질 인듐-코발트-안티몬의 제조 방법 |
| KR20070015543A (ko) * | 2004-04-14 | 2007-02-05 | 이 아이 듀폰 디 네모아 앤드 캄파니 | 고성능 열전 물질 및 그의 제조 방법 |
| KR20090026665A (ko) * | 2007-09-10 | 2009-03-13 | 충주대학교 산학협력단 | CoSb3 스커테루다이트계 열전재료 및 그 제조방법 |
| KR20110016115A (ko) * | 2009-08-11 | 2011-02-17 | 충주대학교 산학협력단 | In-Co-Fe-Sb 계 스커테루다이트 열전재료 및 그 제조방법 |
| KR20110016113A (ko) * | 2009-08-11 | 2011-02-17 | 충주대학교 산학협력단 | In-Co-Ni-Sb 계 스커테루다이트 열전재료 및 그 제조방법 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1039557A4 (en) * | 1997-10-24 | 2007-02-21 | Neomax Co Ltd | SILICON-CONTAINING CONDUCTIVE MATERIAL AND METHOD OF MANUFACTURING |
| JP4285665B2 (ja) * | 1997-12-27 | 2009-06-24 | 日立金属株式会社 | 熱電変換素子 |
| JP2003173826A (ja) * | 2001-12-05 | 2003-06-20 | Mitsubishi Paper Mills Ltd | 半導体電極の作製方法、並びにそれを用いた光電変換素子 |
| WO2005036660A2 (en) * | 2003-09-12 | 2005-04-21 | Board Of Trustees Operating Michigan State University | Silver-containing thermoelectric compounds |
| US7648552B2 (en) * | 2004-07-23 | 2010-01-19 | Gm Global Technology Operations, Inc. | Filled skutterudites for advanced thermoelectric applications |
| WO2007046769A1 (en) * | 2005-10-17 | 2007-04-26 | Agency For Science, Technology And Research | Novel phase change magnetic material |
| CN101415509B (zh) * | 2006-02-16 | 2013-04-17 | 布莱阿姆青年大学 | 超高纯度金属氧化物、混合金属氧化物、金属以及金属合金的均匀纳米颗粒的制备 |
| US8518287B2 (en) * | 2008-04-04 | 2013-08-27 | Samsung Electronics Co., Ltd. | Dichalcogenide thermoelectric material |
| JP5414700B2 (ja) * | 2008-08-29 | 2014-02-12 | エルジー・ケム・リミテッド | 新規な熱電変換材料及びその製造方法、並びにそれを用いた熱電変換素子 |
| CN101397612B (zh) * | 2008-10-21 | 2011-05-25 | 同济大学 | 一种方钴矿基热电块体材料的制备方法 |
| JP2012527523A (ja) * | 2009-05-21 | 2012-11-08 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | 銅スズ硫化物および銅亜鉛スズ硫化物インク組成物 |
| CN103502144B (zh) * | 2011-04-28 | 2015-11-25 | Lg化学株式会社 | 化合物半导体及其用途 |
| CN103562127B (zh) * | 2011-05-13 | 2016-07-13 | Lg化学株式会社 | 新的化合物半导体及其用途 |
| WO2012157904A1 (ko) * | 2011-05-13 | 2012-11-22 | 주식회사 엘지화학 | 신규한 화합물 반도체 및 그 활용 |
| EP2708502B1 (en) * | 2011-05-13 | 2017-07-26 | LG Chem, Ltd. | Novel compound semiconductor and usage for same |
| WO2012157915A1 (ko) * | 2011-05-13 | 2012-11-22 | 주식회사 엘지화학 | 신규한 화합물 반도체 및 그 활용 |
| CN103517871B (zh) * | 2011-05-13 | 2015-08-19 | Lg化学株式会社 | 化合物半导体及其用途 |
-
2012
- 2012-05-11 JP JP2014506351A patent/JP5767399B2/ja active Active
- 2012-05-11 WO PCT/KR2012/003740 patent/WO2012157917A1/ko not_active Ceased
- 2012-05-11 EP EP12785692.0A patent/EP2708498B1/en active Active
- 2012-05-11 CN CN201280023795.7A patent/CN103534201B/zh active Active
- 2012-05-14 TW TW101117053A patent/TWI465399B/zh active
- 2012-09-14 US US13/616,494 patent/US8703024B2/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060125789A (ko) * | 2003-12-08 | 2006-12-06 | 이 아이 듀폰 디 네모아 앤드 캄파니 | 고성능 열전 물질 인듐-코발트-안티몬의 제조 방법 |
| KR20070015543A (ko) * | 2004-04-14 | 2007-02-05 | 이 아이 듀폰 디 네모아 앤드 캄파니 | 고성능 열전 물질 및 그의 제조 방법 |
| KR20090026665A (ko) * | 2007-09-10 | 2009-03-13 | 충주대학교 산학협력단 | CoSb3 스커테루다이트계 열전재료 및 그 제조방법 |
| KR20110016115A (ko) * | 2009-08-11 | 2011-02-17 | 충주대학교 산학협력단 | In-Co-Fe-Sb 계 스커테루다이트 열전재료 및 그 제조방법 |
| KR20110016113A (ko) * | 2009-08-11 | 2011-02-17 | 충주대학교 산학협력단 | In-Co-Ni-Sb 계 스커테루다이트 열전재료 및 그 제조방법 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP2708498A4 * |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5767399B2 (ja) | 2015-08-19 |
| EP2708498A1 (en) | 2014-03-19 |
| CN103534201A (zh) | 2014-01-22 |
| EP2708498A4 (en) | 2015-03-18 |
| US8703024B2 (en) | 2014-04-22 |
| TWI465399B (zh) | 2014-12-21 |
| US20130001481A1 (en) | 2013-01-03 |
| JP2014520055A (ja) | 2014-08-21 |
| CN103534201B (zh) | 2016-10-19 |
| TW201311566A (zh) | 2013-03-16 |
| EP2708498B1 (en) | 2017-08-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2012157904A1 (ko) | 신규한 화합물 반도체 및 그 활용 | |
| WO2012157913A1 (ko) | 신규한 화합물 반도체 및 그 활용 | |
| WO2012157917A1 (ko) | 신규한 화합물 반도체 및 그 활용 | |
| WO2015050420A1 (ko) | 신규한 화합물 반도체 및 그 활용 | |
| WO2012148197A2 (ko) | 신규한 화합물 반도체 및 그 활용 | |
| WO2015080527A1 (ko) | 신규한 화합물 반도체 및 그 활용 | |
| WO2015046810A1 (ko) | 신규한 화합물 반도체 및 그 활용 | |
| WO2012157905A1 (ko) | 신규한 화합물 반도체 및 그 활용 | |
| WO2012157914A1 (ko) | 신규한 화합물 반도체 및 그 활용 | |
| WO2012157910A1 (ko) | 신규한 화합물 반도체 및 그 활용 | |
| WO2012157907A1 (ko) | 신규한 화합물 반도체 및 그 활용 | |
| WO2012157915A1 (ko) | 신규한 화합물 반도체 및 그 활용 | |
| WO2012157911A1 (ko) | 신규한 화합물 반도체 및 그 활용 | |
| WO2012157909A1 (ko) | 신규한 화합물 반도체 및 그 활용 | |
| WO2012148198A2 (ko) | 신규한 화합물 반도체 및 그 활용 | |
| KR101372523B1 (ko) | 신규한 화합물 반도체 및 그 활용 | |
| US11127891B2 (en) | Compound semiconductor and use thereof | |
| KR20120127322A (ko) | 신규한 화합물 반도체 및 그 활용 | |
| KR20140145817A (ko) | 신규한 화합물 반도체 및 그 활용 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 12785692 Country of ref document: EP Kind code of ref document: A1 |
|
| REEP | Request for entry into the european phase |
Ref document number: 2012785692 Country of ref document: EP |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 2012785692 Country of ref document: EP |
|
| ENP | Entry into the national phase |
Ref document number: 2014506351 Country of ref document: JP Kind code of ref document: A |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |