JP4562027B2 - 有機絶縁体形成用組成物及びこれから製造された有機絶縁体 - Google Patents
有機絶縁体形成用組成物及びこれから製造された有機絶縁体 Download PDFInfo
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- JP4562027B2 JP4562027B2 JP2004294415A JP2004294415A JP4562027B2 JP 4562027 B2 JP4562027 B2 JP 4562027B2 JP 2004294415 A JP2004294415 A JP 2004294415A JP 2004294415 A JP2004294415 A JP 2004294415A JP 4562027 B2 JP4562027 B2 JP 4562027B2
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- titanium
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- 239000012212 insulator Substances 0.000 title claims description 27
- 239000000203 mixture Substances 0.000 title claims description 21
- 238000000034 method Methods 0.000 claims description 27
- 239000010408 film Substances 0.000 claims description 25
- 239000002904 solvent Substances 0.000 claims description 19
- 239000000758 substrate Substances 0.000 claims description 18
- 239000000126 substance Substances 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 15
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- 229920000642 polymer Polymers 0.000 claims description 14
- 239000010409 thin film Substances 0.000 claims description 14
- LCKIEQZJEYYRIY-UHFFFAOYSA-N Titanium ion Chemical compound [Ti+4] LCKIEQZJEYYRIY-UHFFFAOYSA-N 0.000 claims description 12
- 229920000620 organic polymer Polymers 0.000 claims description 11
- 239000011248 coating agent Substances 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 9
- 239000004065 semiconductor Substances 0.000 claims description 8
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- 238000004528 spin coating Methods 0.000 claims description 6
- JMXKSZRRTHPKDL-UHFFFAOYSA-N titanium ethoxide Chemical compound [Ti+4].CC[O-].CC[O-].CC[O-].CC[O-] JMXKSZRRTHPKDL-UHFFFAOYSA-N 0.000 claims description 6
- 125000004432 carbon atom Chemical group C* 0.000 claims description 5
- 239000003054 catalyst Substances 0.000 claims description 5
- 150000002736 metal compounds Chemical class 0.000 claims description 5
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- 229920000877 Melamine resin Polymers 0.000 claims description 2
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- 125000003545 alkoxy group Chemical group 0.000 claims description 2
- 238000003618 dip coating Methods 0.000 claims description 2
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- CBECDWUDYQOTSW-UHFFFAOYSA-N 2-ethylbut-3-enal Chemical compound CCC(C=C)C=O CBECDWUDYQOTSW-UHFFFAOYSA-N 0.000 claims 1
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- 239000000243 solution Substances 0.000 description 16
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- 229910052782 aluminium Inorganic materials 0.000 description 10
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- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 description 7
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- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 6
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- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 6
- OGHBATFHNDZKSO-UHFFFAOYSA-N propan-2-olate Chemical compound CC(C)[O-] OGHBATFHNDZKSO-UHFFFAOYSA-N 0.000 description 6
- 239000010936 titanium Substances 0.000 description 6
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 5
- 238000001723 curing Methods 0.000 description 5
- 229910052735 hafnium Inorganic materials 0.000 description 5
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 5
- 150000002902 organometallic compounds Chemical class 0.000 description 5
- 229910052726 zirconium Inorganic materials 0.000 description 5
- POILWHVDKZOXJZ-ARJAWSKDSA-M (z)-4-oxopent-2-en-2-olate Chemical compound C\C([O-])=C\C(C)=O POILWHVDKZOXJZ-ARJAWSKDSA-M 0.000 description 4
- SDTMFDGELKWGFT-UHFFFAOYSA-N 2-methylpropan-2-olate Chemical compound CC(C)(C)[O-] SDTMFDGELKWGFT-UHFFFAOYSA-N 0.000 description 4
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 229910021417 amorphous silicon Inorganic materials 0.000 description 4
- RDOXTESZEPMUJZ-UHFFFAOYSA-N anisole Chemical compound COC1=CC=CC=C1 RDOXTESZEPMUJZ-UHFFFAOYSA-N 0.000 description 4
- 238000005229 chemical vapour deposition Methods 0.000 description 4
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 230000000704 physical effect Effects 0.000 description 4
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 4
- NSAWTIQLFWITEH-PJFPACTGSA-K (z)-1,1,1-trifluoro-4-[[(z)-5,5,5-trifluoro-4-oxopent-2-en-2-yl]oxy-[(e)-5,5,5-trifluoro-4-oxopent-2-en-2-yl]oxyalumanyl]oxypent-3-en-2-one Chemical compound FC(F)(F)C(=O)/C=C(/C)O[Al](O\C(C)=C/C(=O)C(F)(F)F)O\C(C)=C\C(=O)C(F)(F)F NSAWTIQLFWITEH-PJFPACTGSA-K 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 239000007983 Tris buffer Substances 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000006482 condensation reaction Methods 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- SLIUAWYAILUBJU-UHFFFAOYSA-N pentacene Chemical compound C1=CC=CC2=CC3=CC4=CC5=CC=CC=C5C=C4C=C3C=C21 SLIUAWYAILUBJU-UHFFFAOYSA-N 0.000 description 3
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- 229910000077 silane Inorganic materials 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 235000010215 titanium dioxide Nutrition 0.000 description 3
- CMWCOKOTCLFJOP-UHFFFAOYSA-N titanium(3+) Chemical compound [Ti+3] CMWCOKOTCLFJOP-UHFFFAOYSA-N 0.000 description 3
- ZWYDDDAMNQQZHD-UHFFFAOYSA-L titanium(ii) chloride Chemical compound [Cl-].[Cl-].[Ti+2] ZWYDDDAMNQQZHD-UHFFFAOYSA-L 0.000 description 3
- GBNDTYKAOXLLID-UHFFFAOYSA-N zirconium(4+) ion Chemical compound [Zr+4] GBNDTYKAOXLLID-UHFFFAOYSA-N 0.000 description 3
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- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 2
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 2
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 2
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 2
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 2
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 2
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- LXWBMENBONGPSB-UHFFFAOYSA-J oxolane;tetrachlorotitanium Chemical compound C1CCOC1.C1CCOC1.Cl[Ti](Cl)(Cl)Cl LXWBMENBONGPSB-UHFFFAOYSA-J 0.000 description 2
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Images
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- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
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- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
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Description
有機−無機ハイブリッド物質としてメタクリルオキシプロピルトリメトキシシラン(methacryloxypropyltrimethoxysilane、以下MAPTMSと記載)の重合体を使用した。MAPTMS(20g、80.531mmol)をフラスコに仕込み、ここに金属イオンが除去された水(D.I.Water)で一定量の塩酸を希釈して作った溶液(水1cc当り塩酸0.001021mmol)3.5mlを仕込んだ。その後、30分間常温で反応を行わせた後、テトラヒドロフラン100mlとジエチルエーテル100mlを入れて反応を終結させた。この溶液を分別漏斗に移した後、水30mlで3回洗浄し、その後減圧下で揮発性物質を除去して粘性のある無色の液体状態の重合体を得た。前記方法で得た重合体を15mlのアセトンで溶かした。この溶液を孔径0.2μmのフィルタを用いて微細な粉末及びその他の異物を除去し、薄い溶液部分のみを取った後、減圧下で揮発性物質を除去して粘性のある無色の液体状態の重合体13gを得た。
電荷移動度は、下記飽和領域(saturation region)電流式から(ISD)1/2とVGを変数としたグラフを得て、その傾きから求めた。
点滅比は、オン状態の最大電流値とオフ状態の最小電流値の比で求められ、下記の関係を有する。
有機高分子としてポリビニールブチラール(以下「PVB」と記載する)をブタノールに溶解させて濃度7重量%の溶液を製造した。MAPTMS重合体とPVB溶液とを、表2に表わされた含量で混合して膜を製造した。膜の形成及び有機TFTの製造は、実施例1と同一の方法で行い、製造されたTFTの物性も同一の方法で測定した。
PVB溶液を実施例2に記載のように製造した後、この溶液とMAPTMS重合体、テトラブチルチタネートを表3の重量比で混合し、その後、実施例1と同一の方法でスピンコートした。この際、アルミニウム基板上にコーティングを施して厚さ2000Åのフィルムを形成し、70℃で1時間、150℃で30分間熱硬化させて絶縁層を製造した。製造された絶縁層上にアルミニウム膜を蒸着し、金属−絶縁膜−金属構造のキャパシタを製造し、これを用いて100KHzで単位面積当たりの誘電率C0を測定した。測定された誘電率から下記の式を用いて誘電定数を測定し、その結果を下記の表3に示した。
PVB溶液を実施例2に記載のように製造した後、この溶液とMAPTMS重合体、テトラブチルチタネートを表4の重量比で混合し、その後、膜の形成及び有機TFTの製造を実施例1と同一の方法で行い、製造されたTFTの物性も同一の方法で測定した。
PVB溶液(7重量%)及びテトラブチルチタネートの含量をそれぞれ0.15g及び0.35gに固定し、MAPTMS重合体の含量が0.1g、0.25g、0.5g及び0.75gであるものを製造した。膜の形成及び有機TFTの製造は、実施例1と同一の方法で行い、製造されたTFTの駆動特性を測定して図2に示した。図2に示すように、MAPTMSの量が増えるほど漏れ電流が減少し、on−currentが大きくなることが分かり、電荷移動度も増加する。スレッショルド電圧は、−5V未満であって、既存の有機絶縁体に比べて低い。
MAPTMS重合体、エポキシ樹脂及びテトラブチルチタネートを表5に表わされた重合で混合した後、ここにブタノールを添加して溶液を製造した。これを実施例1と同一の方法でスピンコートした後、表5に示されているように硬化条件を適用した。有機TFTの製造は、実施例1と同一の方法で行い、その物性も同一の方法で測定した。
PVB溶液(7重量%)及びテトラブチルチタネートの含量をそれぞれ0.15g及び0.35gに固定し、ここにモノマー状態のMAPTMS0.75gを混合した後、ブタノールに溶解させて濃度10重量%の溶液をそれぞれ製造した。これを実施例1と同一の方法でスピンコートした後、フィルムを形成した。有機TFTの製造は、実施例1と同一の方法で行い、その物性も同一の方法で測定した。図3に示すように、点滅比は104程度であり、電荷移動度は約3〜5程度の値を示す。既存の有機絶縁体に比べては優れた特性を示すことがわかる。
2 絶縁膜、
3 有機活性層、
4 ゲート電極、
5 ソース電極、
6 ドレイン電極。
Claims (6)
- (i)下記化学式2:
(ii)テトラブトキシチタネート、チタニウム(IV)エトキシド、チタニウム(IV)2−エチルヘキソキシドまたはチタニウム(IV)イソ−プロポキシドである有機金属化合物および/または
ポリビニールブチラール、エポキシ樹脂、フェノール樹脂、メラミン樹脂およびウレア樹脂からなる群より選択された1種以上の物質である有機高分子と、
(iii)前記(i)及び前記(ii)の成分を溶解させるアルコール系溶媒と、
を含み、
前記有機金属化合物を含む場合、前記有機金属化合物の含量が前記有機−無機ハイブリッド物質100重量部に対し1〜300重量部であり、
前記有機高分子を含む場合、前記有機高分子の含量が前記有機−無機ハイブリッド物質100重量部に対し0.01〜50重量部であり、
組成物中の前記アルコール系溶媒の含量が20〜99.9重量%である、有機薄膜トランジスタにおける絶縁膜に使用する、有機絶縁体形成用組成物。 - 請求項1に記載の組成物を基板上にコーティングした後硬化させる段階を含む有機絶縁体の製造方法。
- 前記コーティングがスピンコーティング、ディップコーティング、プリンティング、スプレーコーティングまたはロールコーティングであることを特徴とする請求項2記載の方法。
- 前記硬化が70〜150℃の温度で30分〜2時間行われることを特徴とする請求項2または3記載の方法。
- 請求項1記載の組成物を基板上にコーティングしたものを硬化されてなる有機絶縁体。
- 基板、ゲート電極、絶縁層、有機半導体層及びドレイン−ソース電極対を含んでなる有機薄膜トランジスタにおいて、前記絶縁層が請求項5記載の有機絶縁体からなることを特徴とする有機薄膜トランジスタ。
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- 2004-03-24 US US10/807,271 patent/US20060147715A1/en not_active Abandoned
- 2004-10-06 EP EP20040256183 patent/EP1524299B1/en not_active Ceased
- 2004-10-06 DE DE200460027980 patent/DE602004027980D1/de not_active Expired - Lifetime
- 2004-10-07 JP JP2004294415A patent/JP4562027B2/ja not_active Expired - Fee Related
- 2004-10-14 CN CN2004100881621A patent/CN1607685B/zh not_active Expired - Fee Related
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2005
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Also Published As
Publication number | Publication date |
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EP1524299B1 (en) | 2010-07-07 |
US8017245B2 (en) | 2011-09-13 |
KR101012950B1 (ko) | 2011-02-08 |
DE602004027980D1 (de) | 2010-08-19 |
CN1607685B (zh) | 2012-02-29 |
KR20050036171A (ko) | 2005-04-20 |
US20050259212A1 (en) | 2005-11-24 |
CN1607685A (zh) | 2005-04-20 |
EP1524299A1 (en) | 2005-04-20 |
JP2005120371A (ja) | 2005-05-12 |
US20060147715A1 (en) | 2006-07-06 |
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