JPS62213281A - Transparent conductive film - Google Patents

Transparent conductive film

Info

Publication number
JPS62213281A
JPS62213281A JP61056628A JP5662886A JPS62213281A JP S62213281 A JPS62213281 A JP S62213281A JP 61056628 A JP61056628 A JP 61056628A JP 5662886 A JP5662886 A JP 5662886A JP S62213281 A JPS62213281 A JP S62213281A
Authority
JP
Japan
Prior art keywords
transparent conductive
tin oxide
conductive film
compound
polycrystalline
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.)
Granted
Application number
JP61056628A
Other languages
Japanese (ja)
Other versions
JPH0614555B2 (en
Inventor
Masahiro Hirata
昌宏 平田
Masao Misonoo
雅郎 御園生
Hideo Kawahara
秀夫 河原
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Sheet Glass Co Ltd
Original Assignee
Nippon Sheet Glass Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nippon Sheet Glass Co Ltd filed Critical Nippon Sheet Glass Co Ltd
Priority to JP61056628A priority Critical patent/JPH0614555B2/en
Publication of JPS62213281A publication Critical patent/JPS62213281A/en
Publication of JPH0614555B2 publication Critical patent/JPH0614555B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00Semiconductor 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
    • H01L31/18Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
    • H01L31/1884Manufacture of transparent electrodes, e.g. TCO, ITO
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Electrodes Of Semiconductors (AREA)
  • Photovoltaic Devices (AREA)
  • Non-Insulated Conductors (AREA)

Abstract

PURPOSE:To obtain a transparent conductive film for a photoelectric element which is suitable to increase the photoelectric conversion efficiency of the photoelectric element, by forming a two-layer structure composed of a transparent conductive film whose main component is polycrystalline tin oxide and a transparent conductive film whose main component is amorphous tin oxide. CONSTITUTION:A compound of tin and a compound containing fluorine are brought in contact with a transparent substrate heated at a temperature higher than about 400 deg.C, and a polycrystalline tin oxide film is deposited as the result of thermal decomposition oxidation. Further the transparent substrate is heated at a temperature lower than about 400 deg.C, and the compound of tin and a com pound containing fluorine are brought in contact with the substrate. As the result of thermal decomposition oxidation, an amorphous tin oxide film is deposited on the polycrystalline tin oxide film, and therefore a transparent conductive film possessing a two-layer structure is formed. The following are used as the compound of tin; C4H9SnCl3, SnCl4, (CH3)2SnCl2, (CnH2n+1)4Sn (where n=1-4), (CH3)2SnH2, (C4H9)3SnH, (C4H9)2Sn(COOCH3)2, etc. The follow ing are used as the compound containing fluorine; CH3CHF2, CH3CClF2, CHClF2, CHF3, CF2Cl2, CF3Cl, CF3Br, etc.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は酸化錫を主成分とする二層構造をもった光電素
子用透明導電膜特に太陽電池用透明導電膜に関する。
DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a transparent conductive film for photoelectric devices, particularly for solar cells, having a two-layer structure containing tin oxide as a main component.

〔従来の技術〕[Conventional technology]

近年、透明導電基板に非晶質シリコン(a−8i)を用
いた光電変換素子を形成し、次いでAI等の電極を形成
した低コストの太陽電池が知られている。
In recent years, low-cost solar cells have been known in which a photoelectric conversion element using amorphous silicon (a-8i) is formed on a transparent conductive substrate, and then electrodes such as AI are formed.

かかるa−Si太陽電池は光電交換効率が他の結晶半導
体を用いた太陽電池に比べ低いことから、それを大にす
るため種々の対策が施されている。
Since the photoelectric exchange efficiency of such a-Si solar cells is lower than that of solar cells using other crystalline semiconductors, various measures have been taken to increase the photoelectric exchange efficiency.

その一つとして、低抵抗で、且つ高光透過率の多結晶酸
化錫膜を付着した透明基材が用いられている。
As one of them, a transparent base material having a polycrystalline tin oxide film attached thereto with low resistance and high light transmittance is used.

〔発明が解決しようとする問題点〕[Problem that the invention seeks to solve]

しかしながら、多結晶酸化錫膜を透明導電膜上にa−3
i太陽電池を形成すると、界面の接合性が悪く、光電変
換効率を高めることができない欠点があった。
However, a-3 polycrystalline tin oxide film is applied on a transparent conductive film
When an i-solar cell was formed, there was a drawback that the bonding properties at the interface were poor and the photoelectric conversion efficiency could not be increased.

〔問題点を解決するための手段〕[Means for solving problems]

本発明は前記問題点を解決するためになされたものであ
って、光電素子の光電変換効率を高める0に好適な光電
素子用透明導電膜を提供するものである。
The present invention has been made to solve the above-mentioned problems, and provides a transparent conductive film for a photoelectric device that is suitable for increasing the photoelectric conversion efficiency of the photoelectric device.

すなわち、本発明は多結晶酸化錫を主成分とする透明導
電膜と、非晶質酸化錫を主成分とする透明導電膜からな
る二層構造を有する透明導電膜に関する。
That is, the present invention relates to a transparent conductive film having a two-layer structure consisting of a transparent conductive film mainly composed of polycrystalline tin oxide and a transparent conductive film mainly composed of amorphous tin oxide.

本発明においてはおよそりOO°C以上の高温に加熱し
た透明基板に錫化合物及びフッ素を含む化合物を接触さ
せ、熱分解酸化反応により、多結晶の酸化錫膜を堆積さ
せ、さらに多結晶酸化錫膜を堆積した西明基板をおよそ
≠00℃未満の温度に加熱し、錫化合物及びフッ素を含
む化合物を接触させ熱分解酸化反応により、該多結晶酸
化錫膜上に非晶質酸化錫膜を堆積させることにより二層
構造を有する透明導電膜を形成できる。
In the present invention, a tin compound and a compound containing fluorine are brought into contact with a transparent substrate heated to a high temperature of about OO°C or higher, a polycrystalline tin oxide film is deposited by a thermal decomposition oxidation reaction, and then a polycrystalline tin oxide film is deposited. The Seimei substrate on which the film has been deposited is heated to a temperature below approximately ≠00°C, and a tin compound and a compound containing fluorine are brought into contact with each other to form an amorphous tin oxide film on the polycrystalline tin oxide film through a thermal decomposition oxidation reaction. By depositing it, a transparent conductive film having a two-layer structure can be formed.

(但しn −/−11) 、 (CH3)25nH2、
(CJ9)3SnH及び(C+H9)2sn(COOC
H3)2等であり、フッ素を含む化合物としては、CH
3C!HF2.CH3CO1F2yCHOlF2 、C
HF3 ycF2c12 、CF3Cl、CF3Br等
がある。
(However, n −/−11), (CH3)25nH2,
(CJ9)3SnH and (C+H9)2sn(COOC
H3)2, etc., and as a compound containing fluorine, CH
3C! HF2. CH3CO1F2yCHOIF2,C
Examples include HF3ycF2c12, CF3Cl, CF3Br, and the like.

本発明において、これらの錫化合物及びフッ素を含む化
合物を加熱した透明基板に接触させて熱分M酸化反応を
させるには錫化合物蒸気とフッ素を含む化合物とを酸化
性ガス中で高温の透明基板に接触させる気相化学反応法
(CVD法)か、あるいは錫化合物等の溶液をスプレー
で加熱された基板に吹き付けるスプレー法等により行う
ことができる。基板上に多結晶酸化錫膜な形成するには
、およそ弘り0℃〜≦OO″CK基板を加熱して、CV
D法により形成することが好ましく、基板上に形成した
多結晶酸化錫膜上に非晶質酸化錫膜を形成するには、お
よそ2りO″C−≠OO″Cに基板を加熱して、CVD
法により形成することが好ましい。
In the present invention, in order to cause a thermal M oxidation reaction by bringing these tin compounds and fluorine-containing compounds into contact with a heated transparent substrate, the tin compound vapor and the fluorine-containing compound are placed on a hot transparent substrate in an oxidizing gas. This can be carried out by a vapor phase chemical reaction method (CVD method) in which the heated substrate is brought into contact with the substrate, or by a spray method in which a solution of a tin compound or the like is sprayed onto the heated substrate. To form a polycrystalline tin oxide film on a substrate, heat the CK substrate to approximately 0°C to ≦OO″ and apply CV
It is preferable to form by method D, and in order to form an amorphous tin oxide film on a polycrystalline tin oxide film formed on a substrate, the substrate is heated to approximately 2°C-≠OO″C. ,CVD
It is preferable to form by a method.

〔作 用〕[For production]

本発明は透明導電膜を多結晶酸化錫膜層と非晶質酸化錫
膜層とを有する二層構造としたことにより、透明導電膜
の抵抗を低くすることができ、かつ光電変換素子のp型
半導体層と接触する透明導電膜を多結晶酸化錫から非晶
質酸化錫に変えたことにより透明導電膜と光電変換素子
との接合性が改良される。
In the present invention, the transparent conductive film has a two-layer structure having a polycrystalline tin oxide film layer and an amorphous tin oxide film layer, so that the resistance of the transparent conductive film can be lowered, and the p By changing the transparent conductive film in contact with the type semiconductor layer from polycrystalline tin oxide to amorphous tin oxide, the bonding properties between the transparent conductive film and the photoelectric conversion element are improved.

〔実 施 例〕〔Example〕

大きさが、+j(m)x3Q(m)、厚味/、/(mm
) ノ酸化珪素被膜付ソーダライムガラスを十分に洗浄
、乾燥しガラス基板とした。このガラス基板上ニ以下の
ようにして透明導電膜を付着した。
The size is +j (m) x 3Q (m), thickness /, / (mm
) Soda lime glass coated with silicon oxide was thoroughly washed and dried to form a glass substrate. A transparent conductive film was deposited on this glass substrate in the following manner.

モツプチル錫トリクロライドの蒸気、水蒸気、酸素ガス
八l−ジフルオロエタンガスおよび窒素ガスの調整され
た混合気体を用いCVD法によりj!O″CK加熱され
たガラス基板上に多結晶酸化錫膜を形成した。得られた
多結晶酸化錫膜の膜厚は、O#32μmであった。
The j! A polycrystalline tin oxide film was formed on a glass substrate heated by O″CK. The thickness of the obtained polycrystalline tin oxide film was O#32 μm.

この多結晶酸化lu#を堆積させたガラス基板を3jO
℃に加熱し、モツプチル錫トリクロライドの蒸気、水蒸
気、酸素ガス、/、/−ジフルオロエタンガスおよび窒
素ガスの調整された混合気体を用いCVD法により、多
結晶酸化錫膜上に非晶質酸化銅膜を形成した。得られた
非晶質酸化錫膜の膜厚は0.01μmであった。この0
.3Jμmの合計膜厚を有する二層膜の面積抵抗は第1
表に示した通り//、327口であった。
The glass substrate on which this polycrystalline oxide lu# is deposited is 3jO
Amorphous copper oxide was deposited on a polycrystalline tin oxide film by heating to ℃ and using a controlled gas mixture of motsputyltin trichloride vapor, water vapor, oxygen gas, /, /-difluoroethane gas, and nitrogen gas. A film was formed. The thickness of the obtained amorphous tin oxide film was 0.01 μm. This 0
.. The sheet resistance of the two-layer film with a total film thickness of 3 J μm is the first
As shown in the table, there were 327 mouths.

これを用いて、アモルファスシリコン太陽電池を以下の
手順で作成した。
Using this, an amorphous silicon solar cell was created according to the following procedure.

モノシラン(SiH4)ガスを主成分とする原料ガスを
用いて/7c)Pa程度の圧力下で容量結合型高周波グ
ロー放電装置により、 (1)p型半導体層(ホウ素ドープのa−6i(3: 
H。
Using a raw material gas containing monosilane (SiH4) gas as the main component and using a capacitively coupled high-frequency glow discharge device under a pressure of about /7c) Pa, (1) a p-type semiconductor layer (boron-doped a-6i (3:
H.

約0.013μm厚) (2)真性半導体層(a−Si:H,約(7,j#m厚
)(3J  n型半導体WI(リンドープのマイクロク
リスタリンSi(μ0−8i) ’H+ h O、Oj
 Ottm厚)をそれぞれ順番に堆積させ、最後KAj
t&(約0、/μm厚)を真空中(約/c7−4Pa)
で蒸着法により作成した。
(approx. 0.013 μm thick) (2) Intrinsic semiconductor layer (a-Si:H, approx. Oj
Ottm thickness) are deposited in order, and finally KAj
t & (approx. 0,/μm thickness) in vacuum (approx./c7-4Pa)
It was created using the vapor deposition method.

上記AI@極を作成する際基板上に直径コ簡の穴があい
たマスクをのせておき、直径2閣の太陽電池を16ケ作
成した。
When creating the above AI@pole, a mask with a hole in the diameter of a square was placed on the substrate, and 16 solar cells with a diameter of 2 cm were created.

得られた太陽を池KAM/の100mW/adの光を照
射し、エネルギー変換効率を測定した。得られた測定結
果を第1表に示す。
The obtained sun was irradiated with light of 100 mW/ad from the pond KAM/, and the energy conversion efficiency was measured. The measurement results obtained are shown in Table 1.

第1表 なお、比較例として実施例と同一方法により、酸化珪素
被膜付ソーダライムガラス上に膜厚が0.31μmの多
結晶酸化錫膜を形成し、面積抵抗を測定したところ第1
表に示す如<io、sΩ/口であり、このガラス上に形
成した多結晶酸化錫膜上に実施例と同一方法によりアモ
ルファスシリコン太陽電池を作成し、エネルギー変換効
率を測定した結果を第7表に示した。
Table 1 As a comparative example, a polycrystalline tin oxide film with a film thickness of 0.31 μm was formed on soda lime glass with a silicon oxide coating by the same method as in the example, and the sheet resistance was measured.
As shown in the table, an amorphous silicon solar cell was prepared on the polycrystalline tin oxide film formed on this glass by the same method as in the example, and the results of measuring the energy conversion efficiency were reported in the seventh section. Shown in the table.

〔発明の効果〕〔Effect of the invention〕

本発明によれば実施例からも明らかなとおり、エネルギ
ー変換効率の向上に寄与する太陽電池透明導電膜を得る
ことができる。
According to the present invention, as is clear from the Examples, it is possible to obtain a solar cell transparent conductive film that contributes to improving energy conversion efficiency.

また本発明は、太陽電池以外の光電素子用の透明導電膜
として利用できることは明らかである。
Furthermore, it is clear that the present invention can be used as a transparent conductive film for photoelectric devices other than solar cells.

Claims (2)

【特許請求の範囲】[Claims] (1)多結晶酸化錫を主成分とする透明導電膜と、非晶
質酸化錫を主成分とする透明導電膜からなる二層構造を
有する透明導電膜
(1) A transparent conductive film with a two-layer structure consisting of a transparent conductive film whose main component is polycrystalline tin oxide and a transparent conductive film whose main component is amorphous tin oxide.
(2)透明基板上に設けられた多結晶酸化錫を主成分と
する透明導電膜上に非晶質酸化錫を主成分とする透明導
電膜を形成した特許請求の範囲第1項に記載の透明導電
(2) A transparent conductive film mainly composed of amorphous tin oxide is formed on a transparent conductive film mainly composed of polycrystalline tin oxide provided on a transparent substrate. transparent conductive film
JP61056628A 1986-03-14 1986-03-14 Transparent conductive film Expired - Lifetime JPH0614555B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61056628A JPH0614555B2 (en) 1986-03-14 1986-03-14 Transparent conductive film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61056628A JPH0614555B2 (en) 1986-03-14 1986-03-14 Transparent conductive film

Publications (2)

Publication Number Publication Date
JPS62213281A true JPS62213281A (en) 1987-09-19
JPH0614555B2 JPH0614555B2 (en) 1994-02-23

Family

ID=13032566

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61056628A Expired - Lifetime JPH0614555B2 (en) 1986-03-14 1986-03-14 Transparent conductive film

Country Status (1)

Country Link
JP (1) JPH0614555B2 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03125480A (en) * 1989-10-11 1991-05-28 Hitachi Ltd Solar cell
EP0461908A2 (en) * 1990-06-14 1991-12-18 Fujitsu Limited Process for preparing a transparent electrode and transparent electrode prepared by it
EP1160877A2 (en) * 2000-05-30 2001-12-05 Sanyo Electric Co., Ltd. Photovoltaic element and method of manufacturing the same
US7585567B2 (en) 2003-06-17 2009-09-08 Nippon Sheet Glass Company, Limited Transparent conductive substrate, method of manufacturing the same, and photoelectric conversion element
EP1351317A3 (en) * 2002-03-19 2010-12-15 Sanyo Electric Co., Ltd. Photovoltaic element and manufacturing method of the photovoltaic element
WO2013111498A1 (en) * 2012-01-25 2013-08-01 京セラ株式会社 Photoelectric conversion apparatus
JP2014229633A (en) * 2013-05-17 2014-12-08 株式会社カネカ Solar cell and manufacturing method therefor, and solar cell module

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03125480A (en) * 1989-10-11 1991-05-28 Hitachi Ltd Solar cell
EP0461908A2 (en) * 1990-06-14 1991-12-18 Fujitsu Limited Process for preparing a transparent electrode and transparent electrode prepared by it
EP1160877A2 (en) * 2000-05-30 2001-12-05 Sanyo Electric Co., Ltd. Photovoltaic element and method of manufacturing the same
EP1160877A3 (en) * 2000-05-30 2006-05-24 Sanyo Electric Co., Ltd. Photovoltaic element and method of manufacturing the same
EP1351317A3 (en) * 2002-03-19 2010-12-15 Sanyo Electric Co., Ltd. Photovoltaic element and manufacturing method of the photovoltaic element
US7585567B2 (en) 2003-06-17 2009-09-08 Nippon Sheet Glass Company, Limited Transparent conductive substrate, method of manufacturing the same, and photoelectric conversion element
WO2013111498A1 (en) * 2012-01-25 2013-08-01 京セラ株式会社 Photoelectric conversion apparatus
JPWO2013111498A1 (en) * 2012-01-25 2015-05-11 京セラ株式会社 Photoelectric conversion device
JP2014229633A (en) * 2013-05-17 2014-12-08 株式会社カネカ Solar cell and manufacturing method therefor, and solar cell module

Also Published As

Publication number Publication date
JPH0614555B2 (en) 1994-02-23

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