WO2008000332A1 - Silizium-solarzellen mit lanthaniden zur veränderung des spektrums und verfahren zu deren herstellung - Google Patents
Silizium-solarzellen mit lanthaniden zur veränderung des spektrums und verfahren zu deren herstellung Download PDFInfo
- Publication number
- WO2008000332A1 WO2008000332A1 PCT/EP2007/004807 EP2007004807W WO2008000332A1 WO 2008000332 A1 WO2008000332 A1 WO 2008000332A1 EP 2007004807 W EP2007004807 W EP 2007004807W WO 2008000332 A1 WO2008000332 A1 WO 2008000332A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lanthanides
- silicon material
- silicon
- layer
- solar cells
- 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
Classifications
-
- 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
- H10F10/00—Individual photovoltaic cells, e.g. solar cells
-
- 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
- H10F77/30—Coatings
- H10F77/306—Coatings for devices having potential barriers
- H10F77/311—Coatings for devices having potential barriers for photovoltaic cells
- H10F77/315—Coatings for devices having potential barriers for photovoltaic cells the coatings being antireflective or having enhancing optical properties
-
- 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
- H10F77/40—Optical elements or arrangements
- H10F77/42—Optical elements or arrangements directly associated or integrated with photovoltaic cells, e.g. light-reflecting means or light-concentrating means
- H10F77/45—Wavelength conversion means, e.g. by using luminescent material, fluorescent concentrators or up-conversion arrangements
-
- 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
- H10F71/00—Manufacture or treatment of devices covered by this subclass
-
- 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
- H10F77/122—Active materials comprising only Group IV materials
- H10F77/1223—Active materials comprising only Group IV materials characterised by the dopants
-
- 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
- Y02E10/52—PV systems with concentrators
Definitions
- the invention relates to a method for doping silicon material for solar cells and silicon material which has been doped with a corresponding method, as well as solar cells made from such a silicon material.
- silicon Due to the property of silicon as an "indirect semiconductor", it has only a weak light-emitting property at room temperature. Only at temperatures around 20 K is an intense electroluminescence detectable. In contrast, the good absorption property of silicon in the wavelength range of 400-1200 nm is the basis, which makes it particularly suitable as a starting material for photovoltaic processes.
- Silicon doped with the elements boron and phosphorus has a characteristic light absorption.
- Characteristic feature of the Lanthanide is the almost complete shielding of the unpaired electrons of the 4f orbitals from the surrounding crystal field by electrons of outer shells. Thus, the energy levels of the excited states of these unpaired electrons are largely constant regardless of the crystal field. Despite a low interaction with the crystal field, the transition probability for the occupation of these energy levels is strongly influenced by the crystal field and is reflected in the different quantum efficiency of the emission bands depending on the crystal structure.
- Lanthanides are based on a completely different tech- area known as luminescence activators in natural and industrial phosphors.
- the invention has for its object to provide an aforementioned method, a silicon material and solar cells with which problems of the prior art can be avoided and in particular an energy yield of a finished solar cell is improved.
- the silicon material to be doped is in a flat form, as a wafer or the like, as is known.
- lanthanides are doped in a topmost layer of the silicon material, which is less than 1 micron, to thereby change the absorption properties of the silicon material. This can be done for both mono- and multicrystalline solar cells.
- the lanthanides or the corresponding doping material are applied to the uppermost layer or to the surface of the silicon material.
- This has the advantage that the application process is simple.
- the conversion of the above-mentioned photons in the uppermost layer of the silicon material can be used particularly well for the subsequent generation of electrical energy.
- the doping of the uppermost layer of the silicon material or of the solar cell is of particular advantage.
- the lanthanides can be introduced into a layer on the silicon material or the silicon material, which consists only partially of silicon.
- a layer on the silicon material or the silicon material which consists only partially of silicon.
- One possibility is an antireflection layer or a layer of Si 3 N 4 .
- Another possibility is a layer of TCO, ie translucent electrically conductive oxide material, for example ZnO or TiO.
- Another possible layer is a layer of carbon nanotubes (CNT), which can also be applied to the actual silicon of the solar cell.
- Yet another possible layer is a layer of amorphous - A -
- Silicon possibly also in conjunction with SiO x or SiO 2 .
- the lanthanides can also be incorporated in mineral phases with an oxygen-ligand field.
- the doping of lanthanides can take place in the region of the pn junction of the silicon material. Again, good photon generation efficiency in the vicinity of the bandgap of silicon from far higher energy photons is possible.
- lanthanides can be doped into the region of the back surface field, that is to say the back side, of the silicon material.
- the lanthanides can be doped into a layer of the silicon material consisting essentially of SiO 2 .
- the diffusion processes used in the current Si solar cell production with the presence of free oxygen and nitrogen under high temperatures can also form structures or phases in or at the interface to the silicon or in the silicon material, such as:
- Diffusion of the introduced lanthanides in the pn junction near the solar cell surface can be used specifically for the formation of p-dominated O-lanthanide structures or clusters.
- One possibility is to diffuse the lanthanides into the silicon material.
- Another possibility is to apply the lanthanides in a sputtering process. Essentially conventional sputter sources and applicators can be used for this purpose.
- doping with lanthanides can be carried out by containing them in an aqueous solution or a gel, which are applied to the silicon material.
- a heat treatment for diffusing can be carried out by containing them in an aqueous solution or a gel, which are applied to the silicon material.
- the lanthanides can be applied by a gas phase process or a CVD process.
- the lanthanides can be applied by condensation, ie by precipitation from a gaseous phase. This can be done without annealing, which is considered to be advantageous for diffusing the lanthanides.
- the lanthanides can be applied by solid state contact, ie by direct application of lanthanide material.
- a doping of the silicon material with lanthanides can take place by ion implantation.
- lanthanides can be diffused from a layer doped with lanthanides on the silicon material into the silicon material, advantageously under the effect of heat or by heat treatment.
- the silicon material or the surface can be tempered in a further step. This can serve for better diffusion of the doping material. However, it is not essential.
- various lanthanides can be used or in each case only a single lanthanide material. However, it is also possible to use combinations of different lanthanides for doping, which are then present together.
- Particularly suitable lanthanides are those lanthanides whose main emission lines lie in the visible range of the light, that is to say somewhat below 1.2 eV. These are La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu.
- the doping with the lanthanides can also be carried out coupled with that of other doping elements, for example Mn 2+ .
- the main emission line is in the visible range of light
- the absorption of light in the silicon material in the UV and UV-near range can be improved, not only in the silicon material per se, but also also in p- and n-doped silicon, in silicon-oxygen clusters, in SiO (x) and in Si3N 4 .
- the light absorption in various mineral phases of the silicon material can be improved.
- the lanthanides are diffused at a depth of less than 1 ⁇ m, for example only 500 nm to 600 nm. This allows the diffusion process to be kept simpler. Furthermore, a less deep diffusion is considered sufficient.
- a layer formed by doping with lanthanides lies in the silicon material, whereby it can also form its own layer.
- this layer is, as previously noted, relatively high up in the silicon material or in the finished solar cell.
- the silicon material according to the invention is just produced according to the invention by a method with the above-described possibilities. From such a silicon material, a solar cell according to the invention can then be constructed.
Landscapes
- Photovoltaic Devices (AREA)
- Silicon Compounds (AREA)
Abstract
Description
Claims
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP07725694A EP2038935A1 (de) | 2006-06-29 | 2007-05-31 | Silizium-solarzellen mit lanthaniden zur veränderung des spektrums und verfahren zu deren herstellung |
| US12/306,622 US20090199902A1 (en) | 2006-06-29 | 2007-05-31 | Silicon solar cells comprising lanthanides for modifying the spectrum and method for the production thereof |
| AU2007264127A AU2007264127A1 (en) | 2006-06-29 | 2007-05-31 | Silicon solar cells comprising lanthanides for modifying the spectrum and method for the production thereof |
| JP2009516927A JP2009542018A (ja) | 2006-06-29 | 2007-05-31 | スペクトルを改変するランタノイドを有するシリコン太陽電池およびそれらの生産方法 |
| NO20090454A NO20090454L (no) | 2006-06-29 | 2009-01-29 | Silikonsolceller innbefattende lantanider for a modifisere spektret og fremgangsmate for fremstilling av denne |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102006031300.3 | 2006-06-29 | ||
| DE102006031300A DE102006031300A1 (de) | 2006-06-29 | 2006-06-29 | Verfahren zur Dotierung von Siliziummaterial für Solarzellen, entsprechend dotiertes Siliziummaterial und Solarzelle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2008000332A1 true WO2008000332A1 (de) | 2008-01-03 |
Family
ID=38371030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2007/004807 Ceased WO2008000332A1 (de) | 2006-06-29 | 2007-05-31 | Silizium-solarzellen mit lanthaniden zur veränderung des spektrums und verfahren zu deren herstellung |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US20090199902A1 (de) |
| EP (1) | EP2038935A1 (de) |
| JP (1) | JP2009542018A (de) |
| KR (1) | KR20090042905A (de) |
| CN (1) | CN101501863A (de) |
| AU (1) | AU2007264127A1 (de) |
| DE (1) | DE102006031300A1 (de) |
| NO (1) | NO20090454L (de) |
| SG (1) | SG186507A1 (de) |
| TW (1) | TW200805693A (de) |
| WO (1) | WO2008000332A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110577209A (zh) * | 2019-09-19 | 2019-12-17 | 天津大学 | 原位合成碳纳米管表面负载氧化铜纳米颗粒的制备方法 |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2311431B2 (es) * | 2008-06-06 | 2009-07-21 | Universidad Politecnica De Madrid | Procedimiento de fabricacion de dispositivos optoelectronicos de banda intermedia basados en tecnologia de lamina delgada. |
| CN102828242B (zh) * | 2012-09-06 | 2015-05-27 | 西安隆基硅材料股份有限公司 | 含有下转换发光量子点的晶体硅及其制备方法 |
| WO2016055669A1 (es) * | 2014-10-08 | 2016-04-14 | Universidad De La Laguna | Colector fotovoltaico |
| CN105552170A (zh) * | 2016-01-29 | 2016-05-04 | 佛山市聚成生化技术研发有限公司 | 一种太阳能电池的制备方法及由该方法制备的太阳能电池 |
| CN105839182A (zh) * | 2016-04-11 | 2016-08-10 | 西安隆基硅材料股份有限公司 | 晶体硅及其制备方法 |
| CN105762206A (zh) * | 2016-04-11 | 2016-07-13 | 西安隆基硅材料股份有限公司 | 晶体硅及其制备方法 |
| CN106169512A (zh) * | 2016-08-24 | 2016-11-30 | 晶科能源有限公司 | 一种稀土掺杂的晶体硅、其制备方法及太阳能电池 |
| KR102040516B1 (ko) * | 2018-02-01 | 2019-12-05 | 성균관대학교산학협력단 | 단일 밴드 상향 변환 발광체 및 이의 제조 방법 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0586321A2 (de) * | 1992-08-31 | 1994-03-09 | International Business Machines Corporation | Dotierte, mit seltener Erde übersättigte Halbleiterschichten, durch CVD hergestellt |
| US20020048289A1 (en) * | 2000-08-08 | 2002-04-25 | Atanackovic Petar B. | Devices with optical gain in silicon |
| US20040107989A1 (en) * | 2002-12-04 | 2004-06-10 | Woll Suzanne L. B. | Sol-gel coatings for solar cells |
| WO2004095586A2 (fr) * | 2003-04-16 | 2004-11-04 | Apollon Solar | Module photovoltaique et procede de fabrication d’un tel module |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US3949463A (en) * | 1973-02-13 | 1976-04-13 | Communications Satellite Corporation (Comsat) | Method of applying an anti-reflective coating to a solar cell |
| US5249195A (en) * | 1992-06-30 | 1993-09-28 | At&T Bell Laboratories | Erbium doped optical devices |
| JP3698215B2 (ja) * | 1995-01-23 | 2005-09-21 | 勝泰 河野 | 受光素子 |
| DE19522539C2 (de) * | 1995-06-21 | 1997-06-12 | Fraunhofer Ges Forschung | Solarzelle mit einem, eine Oberflächentextur aufweisenden Emitter sowie Verfahren zur Herstellung derselben |
| JPH10125940A (ja) * | 1996-10-16 | 1998-05-15 | Toshiba Corp | 光電変換素子 |
| JPH10270807A (ja) * | 1997-03-27 | 1998-10-09 | Shinichiro Uekusa | 発光素子用半導体及びその製造方法 |
| JP2001077388A (ja) * | 1999-09-07 | 2001-03-23 | Sumitomo Osaka Cement Co Ltd | 太陽電池およびその製造方法 |
| JP2001320067A (ja) * | 2000-03-02 | 2001-11-16 | Nippon Sheet Glass Co Ltd | 光電変換装置 |
| JP4291973B2 (ja) * | 2001-02-08 | 2009-07-08 | 大阪瓦斯株式会社 | 光電変換材料および光電池 |
| JP2003243682A (ja) * | 2002-02-19 | 2003-08-29 | Sumitomo Bakelite Co Ltd | 太陽電池 |
| JP2005026534A (ja) * | 2003-07-04 | 2005-01-27 | Sharp Corp | 半導体デバイスおよびその製造方法 |
-
2006
- 2006-06-29 DE DE102006031300A patent/DE102006031300A1/de not_active Withdrawn
-
2007
- 2007-05-31 SG SG2011045366A patent/SG186507A1/en unknown
- 2007-05-31 JP JP2009516927A patent/JP2009542018A/ja active Pending
- 2007-05-31 AU AU2007264127A patent/AU2007264127A1/en not_active Abandoned
- 2007-05-31 EP EP07725694A patent/EP2038935A1/de not_active Withdrawn
- 2007-05-31 WO PCT/EP2007/004807 patent/WO2008000332A1/de not_active Ceased
- 2007-05-31 CN CNA2007800290750A patent/CN101501863A/zh active Pending
- 2007-05-31 US US12/306,622 patent/US20090199902A1/en not_active Abandoned
- 2007-05-31 KR KR1020097001777A patent/KR20090042905A/ko not_active Withdrawn
- 2007-06-28 TW TW096123432A patent/TW200805693A/zh unknown
-
2009
- 2009-01-29 NO NO20090454A patent/NO20090454L/no not_active Application Discontinuation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0586321A2 (de) * | 1992-08-31 | 1994-03-09 | International Business Machines Corporation | Dotierte, mit seltener Erde übersättigte Halbleiterschichten, durch CVD hergestellt |
| US20020048289A1 (en) * | 2000-08-08 | 2002-04-25 | Atanackovic Petar B. | Devices with optical gain in silicon |
| US20040107989A1 (en) * | 2002-12-04 | 2004-06-10 | Woll Suzanne L. B. | Sol-gel coatings for solar cells |
| WO2004095586A2 (fr) * | 2003-04-16 | 2004-11-04 | Apollon Solar | Module photovoltaique et procede de fabrication d’un tel module |
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| D. DIAW: "SOLAR ENERGY MATERIALS AND SOLAR CELLS", vol. 53, June 1998, ELSEVIER SCIENCE PUBLISHERS, article "Effect of ion-planted EU 3+ on the conversion efficiency of amorphous silicon solar cell", pages: 379 - 383 |
| DIAW D: "Effect of ion-implanted Eu<+3> on the conversion efficiency of amorphous silicon solar cell", SOLAR ENERGY MATERIALS AND SOLAR CELLS, ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL, vol. 53, no. 3-4, June 1998 (1998-06-01), pages 379 - 383, XP004148864, ISSN: 0927-0248 * |
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| RICHARDS ET AL: "Luminescent layers for enhanced silicon solar cell performance: Down-conversion", SOLAR ENERGY MATERIALS AND SOLAR CELLS, ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL, vol. 90, no. 9, 23 May 2006 (2006-05-23), pages 1189 - 1207, XP005340388, ISSN: 0927-0248 * |
| SHALAV A ET AL: "Application of NaYF4:Er3+ up-converting phosphors for enhanced near-infrared silicon solar cell response", APPLIED PHYSICS LETTERS, AIP, AMERICAN INSTITUTE OF PHYSICS, MELVILLE, NY, US, vol. 86, no. 1, 28 December 2004 (2004-12-28), pages 13505 - 13505, XP012064479, ISSN: 0003-6951 * |
| SUZUKI K ET AL: "APPLICATION OF CARBON NANOTUBES TO COUNTER ELECTRODES OF DYE-SENSITIZED SOLAR CELLS", CHEMISTRY LETTERS, NIPPON KAGAKUKAI, TOKYO, JP, vol. 32, no. 1, 2003, pages 28 - 29, XP008025168, ISSN: 0366-7022 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110577209A (zh) * | 2019-09-19 | 2019-12-17 | 天津大学 | 原位合成碳纳米管表面负载氧化铜纳米颗粒的制备方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20090042905A (ko) | 2009-05-04 |
| SG186507A1 (en) | 2013-01-30 |
| US20090199902A1 (en) | 2009-08-13 |
| AU2007264127A1 (en) | 2008-01-03 |
| JP2009542018A (ja) | 2009-11-26 |
| DE102006031300A1 (de) | 2008-01-03 |
| NO20090454L (no) | 2009-03-11 |
| EP2038935A1 (de) | 2009-03-25 |
| CN101501863A (zh) | 2009-08-05 |
| TW200805693A (en) | 2008-01-16 |
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