JP2006526872A - 窒素プラズマ処理されたitoフィルム及びこれを陽極として使用した有機発光素子 - Google Patents
窒素プラズマ処理されたitoフィルム及びこれを陽極として使用した有機発光素子 Download PDFInfo
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 89
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 43
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 33
- 229910017464 nitrogen compound Inorganic materials 0.000 claims abstract description 22
- 150000002830 nitrogen compounds Chemical class 0.000 claims abstract description 22
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 claims abstract description 8
- 125000004433 nitrogen atom Chemical group N* 0.000 claims abstract description 6
- 229910052718 tin Inorganic materials 0.000 claims abstract description 6
- 229910052738 indium Inorganic materials 0.000 claims abstract description 5
- 239000000470 constituent Substances 0.000 claims abstract description 3
- 239000001301 oxygen Substances 0.000 claims description 31
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 29
- 239000007789 gas Substances 0.000 claims description 24
- 238000002347 injection Methods 0.000 claims description 22
- 239000007924 injection Substances 0.000 claims description 22
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 12
- 238000009832 plasma treatment Methods 0.000 claims description 11
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 10
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 9
- 229910021529 ammonia Inorganic materials 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 229910052786 argon Inorganic materials 0.000 claims description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 150000004706 metal oxides Chemical class 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 2
- YFCSASDLEBELEU-UHFFFAOYSA-N 3,4,5,6,9,10-hexazatetracyclo[12.4.0.02,7.08,13]octadeca-1(18),2(7),3,5,8(13),9,11,14,16-nonaene-11,12,15,16,17,18-hexacarbonitrile Chemical compound N#CC1=C(C#N)C(C#N)=C2C3=C(C#N)C(C#N)=NN=C3C3=NN=NN=C3C2=C1C#N YFCSASDLEBELEU-UHFFFAOYSA-N 0.000 claims 1
- 239000010410 layer Substances 0.000 description 57
- 239000010408 film Substances 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 8
- 230000005525 hole transport Effects 0.000 description 8
- 229910001873 dinitrogen Inorganic materials 0.000 description 7
- 239000011368 organic material Substances 0.000 description 7
- 230000032258 transport Effects 0.000 description 7
- 238000012545 processing Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000011160 research Methods 0.000 description 5
- 239000010409 thin film Substances 0.000 description 5
- VVTSZOCINPYFDP-UHFFFAOYSA-N [O].[Ar] Chemical compound [O].[Ar] VVTSZOCINPYFDP-UHFFFAOYSA-N 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 239000012153 distilled water Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- PQXKHYXIUOZZFA-UHFFFAOYSA-M lithium fluoride Chemical compound [Li+].[F-] PQXKHYXIUOZZFA-UHFFFAOYSA-M 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000012044 organic layer Substances 0.000 description 3
- 230000005641 tunneling Effects 0.000 description 3
- 238000001771 vacuum deposition Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 229920000547 conjugated polymer Polymers 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910003437 indium oxide Inorganic materials 0.000 description 2
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 2
- -1 poly (p-phenylene vinylene) Polymers 0.000 description 2
- 229920000553 poly(phenylenevinylene) Polymers 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 238000004506 ultrasonic cleaning Methods 0.000 description 2
- CPEYJDVIZHXTOK-UHFFFAOYSA-N C1(=C(C(=C(C=2C3=C(C(=NN=C3C3=NN=NN=C3C12)C#N)C#N)C#N)C#N)C#N)C#N.C1(=C(C(=C(C=2C3=C(C(=NN=C3C3=NN=NN=C3C12)C#N)C#N)C#N)C#N)C#N)C#N Chemical compound C1(=C(C(=C(C=2C3=C(C(=NN=C3C3=NN=NN=C3C12)C#N)C#N)C#N)C#N)C#N)C#N.C1(=C(C(=C(C=2C3=C(C(=NN=C3C3=NN=NN=C3C12)C#N)C#N)C#N)C#N)C#N)C#N CPEYJDVIZHXTOK-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 229910052809 inorganic oxide Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 210000004180 plasmocyte Anatomy 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000007261 regionalization Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- TVIVIEFSHFOWTE-UHFFFAOYSA-K tri(quinolin-8-yloxy)alumane Chemical compound [Al+3].C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1 TVIVIEFSHFOWTE-UHFFFAOYSA-K 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
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- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
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- H05B33/26—Light sources with substantially two-dimensional radiating surfaces characterised by the composition or arrangement of the conductive material used as an electrode
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- H05B33/00—Electroluminescent light sources
- H05B33/12—Light sources with substantially two-dimensional radiating surfaces
- H05B33/26—Light sources with substantially two-dimensional radiating surfaces characterised by the composition or arrangement of the conductive material used as an electrode
- H05B33/28—Light sources with substantially two-dimensional radiating surfaces characterised by the composition or arrangement of the conductive material used as an electrode of translucent electrodes
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- 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
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- H10K85/30—Coordination compounds
- H10K85/321—Metal complexes comprising a group IIIA element, e.g. Tris (8-hydroxyquinoline) gallium [Gaq3]
- H10K85/324—Metal complexes comprising a group IIIA element, e.g. Tris (8-hydroxyquinoline) gallium [Gaq3] comprising aluminium, e.g. Alq3
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- H10K85/633—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine comprising polycyclic condensed aromatic hydrocarbons as substituents on the nitrogen atom
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Abstract
本発明により製造されたITOフィルムを陽極として使用した有機発光素子は、低電圧、高効率、長寿命の特性を発揮する。
Description
ITOは透明な伝導性酸化物薄膜であって、高い透明度と低い面抵抗及びパターン形成の容易性という長所のために有機発光素子だけでなく、液晶表示素子(LCD)や太陽電池、プラズマディスプレー、E-Paper等の各種の分野で電極物質として応用されており、ブラウン管モニター電磁波遮蔽及びITOインキに応用されている。
[実施例1]
ITO透明電極(陽極)の製造
ITOが1000Åの厚さで薄膜コートされたガラス基板(corning 7059 glass)を、分散剤を溶かした蒸留水に入れて超音波で洗浄した。分散剤はFisher Co.社製を使用し、Millipore Co.社製のフィルター(Filter)で2回濾過した蒸留水を使用した。ITOを30分間洗浄した後、蒸留水で2回繰り返して超音波洗浄を10分間進行した。蒸留水洗浄が終わると、イソプロピルアルコル、アセトン、メタノール溶剤の順で超音波洗浄を行い乾燥させた。
前記準備されたITO透明電極の上に正孔透過層物質として使用される下記の一般式1eで示される化合物を20Åの厚さで熱真空蒸着して正孔透過層を形成した。
前記正孔透過層の上に下記の一般式1aで示される化合物であるヘキサアザトリフェニレンヘキサカルボニトリル(Hexaazatriphenylene hexacarbonitrile)を500Åの厚さで熱真空蒸着して正孔透過層を形成した。
上記正孔注入層の上に下記の一般式1cで示される化合物であるNPB(400Å)を真空蒸着して正孔輸送層を形成させた。
上記正孔輸送層の上に下記の一般式1bで示される発光層の役割をするAlq3を300Åの厚さで真空蒸着して発光層を形成させた。
上記発光層の上に電子輸送層の役割をする下記の化学式1dで示される化合物を200Åの厚さで蒸着して有機物層の薄膜形成を完了した。
上記電子輸送層の上に順次に12Å厚さのフッ化リチウム(LiF)と2500Å厚さのアルミニウムを蒸着して陰極を形成し、有機発光素子を製造した。
実施例1において、窒素プラズマ処理をしない(比較例1)、又は窒素プラズマの代わりに酸素を放電ガスとしたプラズマ(比較例2)、アルゴン:酸素=2:1の混合ガスを放電ガスとしたプラズマ(比較例3)、アルゴンを放電ガスとしたプラズマ(比較例4)を使用したことを除いては実施例1と同様な方法で行い、ITO陽極及び有機発光素子を製造した。
上記実施例1、比較例2、3で製造した有機発光素子について、光効率、駆動電圧、寿命を比較して表1に示した。
2:陽極
3:正孔注入層
4:正孔輸送層
5:発光層
6:電子輸送層
7:陰極
10:正孔透過層
Claims (9)
- インジウム錫酸化物(Indium Tin Oxide、ITO)を含むフィルムの表面に前記ITOの構成元素であるIn、Sn、O原子のうち少なくとも一種と窒素が反応して生成された窒素化合物、または窒素原子を含有する蒸着された窒素化合物を含むITOフィルム。
- 第1項において、前記窒素化合物の表面は、ITOフィルムを窒素プラズマ処理して形成させたことを特徴とするITOフィルム。
- 第2項において、窒素プラズマ放電ガスとして窒素またはアンモニア単独または窒素とアンモニアを含む混合ガスを使用することを特徴とするITOフィルム。
- 第2項において、窒素プラズマの放電ガスとして窒素とアンモニアより選ばれた少なくとも一種のガスと、酸素、アルゴン、及び水素からなる群より選ばれた少なくとも1種のガスとの混合ガスを使用することを特徴とするITOフィルム。
- インジウム錫酸化物(Indium Tin Oxide、ITO)を含むフィルムの表面を窒素プラズマ処理することを特徴とするITOフィルムの製造方法。
- 基板、陽極、発光層、陰極を含む有機発光素子において、陽極として第1項乃至第4項の何れか一項に記載のITOフィルムを使用することを特徴とする有機発光素子。
- 基板、陽極、発光層、陰極を含む有機発光素子において、陽極として第5項の製造方法により製造されたITOフィルムを使用することを特徴とする有機発光素子。
- 第6項又は第7項において、有機発光素子は正孔注入層を含み、正孔注入層がヘキサアザトリフェニレンヘキサカルボニトリル(Hexaazatriphenylenehexacarbonitrile)を含むことを特徴とする有機発光素子。
- 窒素プラズマ処理された有機発光素子陽極用金属酸化物伝導体。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR1020030032864A KR100808790B1 (ko) | 2003-05-23 | 2003-05-23 | 질소 플라즈마 처리된 ito 필름 및 이를 양극으로사용한 유기 발광 소자 |
PCT/KR2004/001181 WO2004105447A1 (en) | 2003-05-23 | 2004-05-19 | Ito film treated by nitrogen plasma and the organic luminescent device using the same |
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JP2006526872A true JP2006526872A (ja) | 2006-11-24 |
JP4350745B2 JP4350745B2 (ja) | 2009-10-21 |
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US (2) | US7619356B2 (ja) |
EP (1) | EP1629700B1 (ja) |
JP (1) | JP4350745B2 (ja) |
KR (1) | KR100808790B1 (ja) |
CN (2) | CN103199201B (ja) |
TW (1) | TWI324495B (ja) |
WO (1) | WO2004105447A1 (ja) |
Cited By (5)
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006324105A (ja) * | 2005-05-18 | 2006-11-30 | Sumitomo Osaka Cement Co Ltd | 透明導電膜の形成方法及び透明導電膜 |
JP2013179320A (ja) * | 2008-07-01 | 2013-09-09 | Toray Ind Inc | 発光素子 |
JP2010225689A (ja) * | 2009-03-19 | 2010-10-07 | Seiko Epson Corp | 発光素子、発光装置、表示装置および電子機器 |
JPWO2014203840A1 (ja) * | 2013-06-21 | 2017-02-23 | 株式会社Kyulux | 赤色発光材料、有機発光素子および化合物 |
WO2023190182A1 (ja) * | 2022-03-30 | 2023-10-05 | 株式会社カネカ | ペロブスカイト薄膜系太陽電池の製造方法およびペロブスカイト薄膜系太陽電池 |
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EP1629700A4 (en) | 2008-04-16 |
TWI324495B (en) | 2010-05-01 |
US8304983B2 (en) | 2012-11-06 |
CN103199201A (zh) | 2013-07-10 |
EP1629700B1 (en) | 2014-04-16 |
US20060209529A1 (en) | 2006-09-21 |
KR20040100485A (ko) | 2004-12-02 |
US20100044694A1 (en) | 2010-02-25 |
JP4350745B2 (ja) | 2009-10-21 |
KR100808790B1 (ko) | 2008-03-03 |
TW200427372A (en) | 2004-12-01 |
WO2004105447A1 (en) | 2004-12-02 |
EP1629700A1 (en) | 2006-03-01 |
CN1781342A (zh) | 2006-05-31 |
CN103199201B (zh) | 2016-06-22 |
US7619356B2 (en) | 2009-11-17 |
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