JP3513154B2 - カルコパイライト吸収層を有する太陽電池 - Google Patents
カルコパイライト吸収層を有する太陽電池Info
- Publication number
- JP3513154B2 JP3513154B2 JP51005995A JP51005995A JP3513154B2 JP 3513154 B2 JP3513154 B2 JP 3513154B2 JP 51005995 A JP51005995 A JP 51005995A JP 51005995 A JP51005995 A JP 51005995A JP 3513154 B2 JP3513154 B2 JP 3513154B2
- Authority
- JP
- Japan
- Prior art keywords
- layer
- solar cell
- back electrode
- substrate
- absorption layer
- 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.)
- Expired - Lifetime
Links
- 238000010521 absorption reaction Methods 0.000 title claims description 10
- DVRDHUBQLOKMHZ-UHFFFAOYSA-N chalcopyrite Chemical compound [S-2].[S-2].[Fe+2].[Cu+2] DVRDHUBQLOKMHZ-UHFFFAOYSA-N 0.000 title claims description 7
- 229910052951 chalcopyrite Inorganic materials 0.000 title claims description 7
- 239000000758 substrate Substances 0.000 claims description 18
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 10
- 229910052750 molybdenum Inorganic materials 0.000 claims description 10
- 239000011733 molybdenum Substances 0.000 claims description 10
- 229910052719 titanium Inorganic materials 0.000 claims description 10
- 239000010936 titanium Substances 0.000 claims description 10
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 9
- 229910052804 chromium Inorganic materials 0.000 claims description 7
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 229910052715 tantalum Inorganic materials 0.000 claims description 5
- 239000010410 layer Substances 0.000 description 63
- 238000004519 manufacturing process Methods 0.000 description 20
- 239000006096 absorbing agent Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 14
- 239000004065 semiconductor Substances 0.000 description 12
- 150000001875 compounds Chemical class 0.000 description 8
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 7
- 239000012790 adhesive layer Substances 0.000 description 7
- 239000011651 chromium Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 238000004544 sputter deposition Methods 0.000 description 6
- 239000010949 copper Substances 0.000 description 4
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229910052738 indium Inorganic materials 0.000 description 3
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 3
- MHWZQNGIEIYAQJ-UHFFFAOYSA-N molybdenum diselenide Chemical compound [Se]=[Mo]=[Se] MHWZQNGIEIYAQJ-UHFFFAOYSA-N 0.000 description 3
- 229910052711 selenium Inorganic materials 0.000 description 3
- 239000011669 selenium Substances 0.000 description 3
- 238000007740 vapor deposition Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 229910052980 cadmium sulfide Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 230000032798 delamination Effects 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 229910052714 tellurium Inorganic materials 0.000 description 2
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 238000007736 thin film deposition technique Methods 0.000 description 2
- 239000003440 toxic substance Substances 0.000 description 2
- WUPHOULIZUERAE-UHFFFAOYSA-N 3-(oxolan-2-yl)propanoic acid Chemical compound OC(=O)CCC1CCCO1 WUPHOULIZUERAE-UHFFFAOYSA-N 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- CJOBVZJTOIVNNF-UHFFFAOYSA-N cadmium sulfide Chemical compound [Cd]=S CJOBVZJTOIVNNF-UHFFFAOYSA-N 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- -1 nitrogen-containing compound Chemical class 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 150000003346 selenoethers Chemical class 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000005361 soda-lime glass Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- PTISTKLWEJDJID-UHFFFAOYSA-N sulfanylidenemolybdenum Chemical compound [Mo]=S PTISTKLWEJDJID-UHFFFAOYSA-N 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/06—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices characterised by at least one potential-jump barrier or surface barrier
- H01L31/072—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices characterised by at least one potential-jump barrier or surface barrier the potential barriers being only of the PN heterojunction type
- H01L31/0749—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices characterised by at least one potential-jump barrier or surface barrier the potential barriers being only of the PN heterojunction type including a AIBIIICVI compound, e.g. CdS/CulnSe2 [CIS] heterojunction solar cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/02—Details
- H01L31/0224—Electrodes
- H01L31/022408—Electrodes for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/022425—Electrodes for devices characterised by at least one potential jump barrier or surface barrier for solar cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/0248—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies
- H01L31/0256—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by their semiconductor bodies characterised by the material
- H01L31/0264—Inorganic materials
- H01L31/032—Inorganic materials including, apart from doping materials or other impurities, only compounds not provided for in groups H01L31/0272 - H01L31/0312
- H01L31/0322—Inorganic materials including, apart from doping materials or other impurities, only compounds not provided for in groups H01L31/0272 - H01L31/0312 comprising only AIBIIICVI chalcopyrite compounds, e.g. Cu In Se2, Cu Ga Se2, Cu In Ga Se2
-
- 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
- Y02E10/541—CuInSe2 material PV cells
Landscapes
- Engineering & Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Sustainable Development (AREA)
- Photovoltaic Devices (AREA)
Description
び高い効率を有し、同時に低い製造経費を有する太陽電
池の開発である。この場合にこのエネルギ製造の形式の
みがほかの従来の方法に対して競合できる。
なる太陽モジュールが現在標準とみなされている。高い
製造経費および長いエネルギ返送時間、すなわち製造に
使用されるエネルギが光発電の電流発生により相殺され
る時間のために標準的な電池からの太陽電流は競合でき
る域にまだ達していない。
太陽電池は現在費用効果的なおよび長時間安定の太陽電
池の製造に寄与すると期待されている。特にCuInSe2(C
IS)および類似の合金は高い吸収率、直接のバンド転移
および太陽スペクトルに一致したバンドギャップを有す
る物質である。これらは費用効果的な薄膜析出法を使用
して製造することができ、すでに実験室の試験でほぼ17
%の効率に達している。
ガラス基板、モリブデン背面電極、組成CuInGaSe2また
はCuIn(S,Se)2からなる多結晶カルコパイライト半導
体の厚さ1〜5μmの吸収層、薄い硫化カドミウムウィ
ンドー層および透明な前面電極からなる。
する吸収層の乏しい付着力および乏しい再現能力であ
り、これが三成分半導体の複雑な製造工程の原因であ
る。
緒に基板上に施し、適当な反応条件を設定することによ
り互いに反応させる(2工程法)。2種の金属成分のみ
を施し、相当する反応性雰囲気により非金属反応成分を
製造することも可能である。ほかの可能性は出発成分を
元素の形で予熱した基板に蒸着することであり、その際
三成分半導体を形成する反応を成分が基板に達する直前
または直後に行う。しかしながらこの1工程法は全面析
出工程として実施することが困難である、それというの
も比較的大きな面積で層均一性が保証されないからであ
る。
の剥離が認められ、太陽電池の製造においてこれはすで
に一連の機能しないまたは出力が減少した太陽電池を生
じる。更に引き続く太陽電池の作業中に昼間と夜間のま
たは季節変化により異なる熱負荷にもとづく層剥離によ
る損傷が認められる。
とCIS層との間に接着層としてGaからなる中間層を使用
することが記載されている。これにより背面電極に対す
る吸収層の付着が改良されるが、同時に層の均一性が低
下する。
収層との付着を改良する目的のテルルからなる中間層が
記載されている。この方法の欠点は、米国特許第491574
5号明細書に記載されているように、CIS太陽電池の層構
造に新たな、テルルの場合は有毒の物質が導入されるこ
とである。これは析出の複雑さを増加し、従って製造経
費を増加する。更にもはや機能しない太陽電池の処理の
問題が生じる。
付着を有し、付加的な有毒物質を含有せず、公知方法に
比べて増加しないまたはほぼ増加しない製造経費を有す
る太陽電池を提供することである。
に記載の太陽電池により解決される。請求の範囲2以下
には本発明の有利な実施態様が記載されている。
る吸収層の付着の問題を解決するために接着層を挿入す
る。この接着層は反応性金属クロム、チタンまたはタン
タルから選択されるかまたは窒化チタン層からなる。こ
れらの接着層は従来の既存の装置を使用して簡単に製造
することができ、この製造はカルコパイライト太陽電池
のための従来の製造工程に十分よく合体することができ
る。
着を生じる、接着のための有利な物質である。更にクロ
ムを用いて製造方法における機能性太陽電池の収率が高
められ、これにより製造される太陽電池の出力および効
率が向上する。更にクロムは公知の方法で基板とモリブ
デン背面電極との接着層として層構造にすでに使用され
ている。従って層構造に新規物質を挿入することは不要
であり、既存の装置および技術を使用することが可能で
ある。
びタンタルも接着層として有効であり、問題なく使用で
きる。
収層とモリブデン背面電極との接着中間層として被覆す
ることも可能である。この場合に1nmより大きい層厚で
十分であり、10〜40nmの厚さが好ましい。この中間層に
より吸収層の形成中に半導体成分セレンがモリブデン背
面電極と反応してモリブデンセレニドを形成することが
阻止される。公知方法では付着の問題の原因はこのモリ
ブデンセレニドにあり、それというのも硫化モリブデン
と同様にモリブデンセレニドが周知の潤滑剤および減摩
剤であるためである。
面電極の上に窒化チタンからなる接着層を設けることが
提案される。現在マイクロエレクトロニクスの分野での
み知られており、ここで接触子を製造するために使用さ
れるこの物質組み合わせは同様に基板に対する吸収層の
付着を改良するために適している。
である、それというのも両方の層を同じ装置で製造でき
るからである。たとえばチタン層を被覆するためにスパ
ッタリング法を使用する場合は、スパッタリング雰囲気
に窒素または窒素含有化合物を混合することにより簡単
な方法で窒化チタンの析出に移行することができる。
は完全な太陽電池の可能な構造の横断面図を示す。
板を使用する。任意の非導電性または導電性の物質から
基板Sを製造することも可能である。窓ガラス(ソーダ
石灰ガラス)を使用する場合は、ほかの接着層、たとえ
ば薄いスパッタしたクロム層(図に示されていない)が
設けられていてもよい。
スパッタリングすることにより基板Sに背面電極REを被
覆する。引き続きこの点ですでに公知であるこの構造に
薄い接着中間層ZSを被覆する。このために通常の薄膜析
出法、たとえば蒸着、電気メッキまたは有利にはスパッ
タリングが適している。中間層の物質としてクロム、チ
タンまたはタンタルが選択される。中間層はすでにほぼ
1nmから出発する厚さで有効であり、有利には5〜40nm
の厚さで被覆する。背面電極REおよび中間層ZSを備えた
基板Sに更に吸収層ASを通常の薄膜被覆法を使用して被
覆する。化合物半導体の出発成分の元素の個々の層から
なる層構造をこのようにして適当な方法、たとえばスパ
ッタリング、蒸着または電気メッキを使用して析出する
ことができる。たとえばこのために銅、インジウムおよ
びセレンからなる個々の層をそれぞれ吸収層ASの化合物
半導体が所望の化学量および厚さが得られるような厚さ
に製造する。この場合に金属銅およびインジウムを0.85
<Cu/In<1.0のモル比で被覆することができる。揮発性
のために非金属成分をこの上に0〜100%の化学量論的
に過剰で、典型的には40%の過剰で蒸着する。元素の層
の層厚は吸収層が1〜3μmの厚さが得られるように変
動することができる。
は反応性雰囲気中で熱処理により吸収層の化合物半導体
に転化する。このために急速な熱処理を実施することが
できる。更にこのために層構造を包囲するかまたは覆う
ことができ、従って揮発成分の蒸発を阻止する。
の可能性は製造した基板の上に二成分化合物として2種
の成分を析出し、元素の層として第3の成分を被覆する
ことにある。適当な二成分化合物はインジウムおよびガ
リウムのセレン化物である。
3つ以上の個々の層の形で将来の吸収層のための層構造
を製造し、層順序を繰り返すことが可能である。
より1工程法で被覆することも可能である。化合物半導
体を形成する反応はすでに析出中に行われるので、この
変形において熱処理工程は不要である。
REおよび中間層ZSを備えた基板に対する吸収層の付着を
検査する。このために剥離試験において粘着テープを吸
収層に接着し、その後剥離する。吸収層ASを製造する方
法に関係なく第1図に示される構造を使用してかなり改
良された付着が達成されることが判明した。製造工程の
この時点においてすでにかなり高い%の完全に損傷のな
いまたは完全に機能する生成物が得られることも判明し
た(中間層ZSを使用せずに製造した試料と比較して)。
電極REを適当な薄膜工程で基板S上に被覆する。この実
施例において窒素含有雰囲気中でチタンをスパッタリン
グすることにより窒化チタンからなる中間層ZSをこの上
に製造する。
用してカルコパイライト半導体から吸収層ASの構造を製
造することができる。
良された付着が示される。
方法によりたとえば厚さ10〜50nmの硫化カドミウム層で
あるn−導電性ウィンドー層FSを製造する。
である透明な前面電極FEにより完成し、これはスパッタ
リングまたはCVD法を使用して析出することができる。
ほかの透明な酸化物を使用することも可能である。
合により、たとえば銀、ニッケル、銅等の導電性金属を
蒸着するかまたはプリントして導電性ペーストを熱硬化
するかまたは導電性塗料または導電性接着剤の相当する
構造を被覆することによりグリッド電極GEをなお被覆す
ることも可能である。
×10cm2の全基板面積に対して10%以上の効率および9
%の平均効率が達成される。
Claims (3)
- 【請求項1】非導電性基板(S)、背面電極(RE)およ
び一般的組成:CuIn1-xGaxS1-ySey(1≧x,y≧0)のカ
ルコパイライト吸収層を有する太陽電池において、吸収
層(AS)および背面電極の間にCr、Ti、Taおよび窒化チ
タンから選択される物質からなる中間層(ZS)が配置さ
れ、その際中間層(ZS)が厚さ1〜40nmを有することを
特徴とする太陽電池。 - 【請求項2】中間層(ZS)が窒化チタンからなり、チタ
ンからなる背面電極(RE)の上に配置されている請求の
範囲1記載の太陽電池。 - 【請求項3】中間層(ZS)がモリブデンからなる背面電
極(RE)の上に配置されている請求の範囲1記載の太陽
電池。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4333407.5 | 1993-09-30 | ||
DE4333407A DE4333407C1 (de) | 1993-09-30 | 1993-09-30 | Solarzelle mit einer Chalkopyritabsorberschicht |
PCT/DE1994/001125 WO1995009441A1 (de) | 1993-09-30 | 1994-09-28 | Solarzelle mit einer chalkopyritabsorberschicht |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH09503346A JPH09503346A (ja) | 1997-03-31 |
JP3513154B2 true JP3513154B2 (ja) | 2004-03-31 |
Family
ID=6499114
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51005995A Expired - Lifetime JP3513154B2 (ja) | 1993-09-30 | 1994-09-28 | カルコパイライト吸収層を有する太陽電池 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5676766A (ja) |
EP (1) | EP0721667B1 (ja) |
JP (1) | JP3513154B2 (ja) |
DE (2) | DE4333407C1 (ja) |
WO (1) | WO1995009441A1 (ja) |
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-
1993
- 1993-09-30 DE DE4333407A patent/DE4333407C1/de not_active Expired - Lifetime
-
1994
- 1994-09-28 US US08/619,590 patent/US5676766A/en not_active Expired - Lifetime
- 1994-09-28 EP EP94928257A patent/EP0721667B1/de not_active Expired - Lifetime
- 1994-09-28 JP JP51005995A patent/JP3513154B2/ja not_active Expired - Lifetime
- 1994-09-28 DE DE59410445T patent/DE59410445D1/de not_active Expired - Lifetime
- 1994-09-28 WO PCT/DE1994/001125 patent/WO1995009441A1/de active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
US5676766A (en) | 1997-10-14 |
DE59410445D1 (de) | 2007-01-11 |
JPH09503346A (ja) | 1997-03-31 |
DE4333407C1 (de) | 1994-11-17 |
EP0721667A1 (de) | 1996-07-17 |
WO1995009441A1 (de) | 1995-04-06 |
EP0721667B1 (de) | 2006-11-29 |
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