JP2019518847A - 有機電荷輸送膜を作製するためのプロセス - Google Patents
有機電荷輸送膜を作製するためのプロセス Download PDFInfo
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- JP2019518847A JP2019518847A JP2018564309A JP2018564309A JP2019518847A JP 2019518847 A JP2019518847 A JP 2019518847A JP 2018564309 A JP2018564309 A JP 2018564309A JP 2018564309 A JP2018564309 A JP 2018564309A JP 2019518847 A JP2019518847 A JP 2019518847A
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- PILKIEIKZQYGQB-UHFFFAOYSA-N 4-[3,6-bis[4-(N-(9,9-dimethylfluoren-2-yl)-4-phenylanilino)phenyl]carbazol-9-yl]benzaldehyde Chemical compound C1(=CC=C(C=C1)N(C1=CC=C(C=C1)C=1C=CC=2N(C3=CC=C(C=C3C=2C=1)C1=CC=C(C=C1)N(C1=CC=2C(C3=CC=CC=C3C=2C=C1)(C)C)C1=CC=C(C=C1)C1=CC=CC=C1)C1=CC=C(C=O)C=C1)C1=CC=2C(C3=CC=CC=C3C=2C=C1)(C)C)C1=CC=CC=C1 PILKIEIKZQYGQB-UHFFFAOYSA-N 0.000 description 2
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- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
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- LFOJXVQATXBPSH-UHFFFAOYSA-N 4-(3,6-dibromocarbazol-9-yl)benzaldehyde Chemical compound C12=CC=C(Br)C=C2C2=CC(Br)=CC=C2N1C1=CC=C(C=O)C=C1 LFOJXVQATXBPSH-UHFFFAOYSA-N 0.000 description 1
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- DGQGTHWCTHSWCV-UHFFFAOYSA-N 9,9-dimethyl-n-(4-phenylphenyl)-n-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]fluoren-2-amine Chemical compound O1C(C)(C)C(C)(C)OB1C1=CC=C(N(C=2C=CC(=CC=2)C=2C=CC=CC=2)C=2C=C3C(C)(C)C4=CC=CC=C4C3=CC=2)C=C1 DGQGTHWCTHSWCV-UHFFFAOYSA-N 0.000 description 1
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- CHXVKOZKXSTZGV-UHFFFAOYSA-N [4-[3,6-bis[4-(N-(9,9-dimethylfluoren-2-yl)-4-phenylanilino)phenyl]carbazol-9-yl]phenyl]methanol Chemical compound C1(=CC=C(C=C1)N(C1=CC=C(C=C1)C=1C=CC=2N(C3=CC=C(C=C3C=2C=1)C1=CC=C(C=C1)N(C1=CC=2C(C3=CC=CC=C3C=2C=C1)(C)C)C1=CC=C(C=C1)C1=CC=CC=C1)C1=CC=C(C=C1)CO)C1=CC=2C(C3=CC=CC=C3C=2C=C1)(C)C)C1=CC=CC=C1 CHXVKOZKXSTZGV-UHFFFAOYSA-N 0.000 description 1
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- MOASFWJQSIPNPT-UHFFFAOYSA-N acenaphthylen-1-ylmethyl acetate Chemical group C1=CC(C(COC(=O)C)=C2)=C3C2=CC=CC3=C1 MOASFWJQSIPNPT-UHFFFAOYSA-N 0.000 description 1
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- 239000012267 brine Substances 0.000 description 1
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- 239000003431 cross linking reagent Substances 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 229910052805 deuterium Inorganic materials 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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- 238000004821 distillation Methods 0.000 description 1
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- 238000004811 liquid chromatography Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004949 mass spectrometry Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- MCUZYKAMUTVDBU-UHFFFAOYSA-N n-[4-(9h-carbazol-3-yl)phenyl]-9,9-dimethyl-n-(4-phenylphenyl)fluoren-2-amine Chemical compound C1=C2C(C)(C)C3=CC=CC=C3C2=CC=C1N(C=1C=CC(=CC=1)C=1C=C2C3=CC=CC=C3NC2=CC=1)C(C=C1)=CC=C1C1=CC=CC=C1 MCUZYKAMUTVDBU-UHFFFAOYSA-N 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 125000006574 non-aromatic ring group Chemical group 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
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- 229910052760 oxygen Inorganic materials 0.000 description 1
- QNGNSVIICDLXHT-UHFFFAOYSA-N para-ethylbenzaldehyde Natural products CCC1=CC=C(C=O)C=C1 QNGNSVIICDLXHT-UHFFFAOYSA-N 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 229920002959 polymer blend Polymers 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- LPNYRYFBWFDTMA-UHFFFAOYSA-N potassium tert-butoxide Chemical compound [K+].CC(C)(C)[O-] LPNYRYFBWFDTMA-UHFFFAOYSA-N 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
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- 239000011734 sodium Substances 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
- 239000012279 sodium borohydride Substances 0.000 description 1
- 239000012312 sodium hydride Substances 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- 239000003643 water by type Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F12/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
- C08F12/02—Monomers containing only one unsaturated aliphatic radical
- C08F12/04—Monomers containing only one unsaturated aliphatic radical containing one ring
- C08F12/14—Monomers containing only one unsaturated aliphatic radical containing one ring substituted by hetero atoms or groups containing heteroatoms
- C08F12/26—Nitrogen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G61/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G61/12—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/14—Carrier transporting layers
- H10K50/15—Hole transporting layers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/10—Organic polymers or oligomers
- H10K85/141—Organic polymers or oligomers comprising aliphatic or olefinic chains, e.g. poly N-vinylcarbazol, PVC or PTFE
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/10—Organic polymers or oligomers
- H10K85/141—Organic polymers or oligomers comprising aliphatic or olefinic chains, e.g. poly N-vinylcarbazol, PVC or PTFE
- H10K85/146—Organic polymers or oligomers comprising aliphatic or olefinic chains, e.g. poly N-vinylcarbazol, PVC or PTFE poly N-vinylcarbazol; Derivatives thereof
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/10—Organic polymers or oligomers
- H10K85/151—Copolymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2261/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G2261/10—Definition of the polymer structure
- C08G2261/13—Morphological aspects
- C08G2261/135—Cross-linked structures
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2261/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G2261/10—Definition of the polymer structure
- C08G2261/14—Side-groups
- C08G2261/141—Side-chains having aliphatic units
- C08G2261/1414—Unsaturated aliphatic units
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2261/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G2261/10—Definition of the polymer structure
- C08G2261/14—Side-groups
- C08G2261/148—Side-chains having aromatic units
-
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Abstract
Description
グローブボックス内で、HTLモノマー(1.00当量)をアニソール(電子グレード、0.25M)に溶解した。混合物を70℃に加熱し、AIBN溶液(トルエン中0.20M、5mol%)を注入した。混合物をモノマーが完全に消費されるまで少なくとも24時間攪拌した(AIBN溶液の2.5mol%部分を添加して変換を完了させることができる)。ポリマーをメタノール(10倍量のアニソール)で沈殿させ、濾過によって単離した。濾過した固体をメタノールの追加部分ですすいだ。濾過した固体をアニソールに再溶解し、沈殿/濾過の連続をさらに2回繰り返した。単離した固体を真空オーブンに50℃で一晩入れ、残留溶媒を除去した。
ゲル浸透クロマトグラフィー(GPC)の研究を以下のように実行した。HTLポリマー2mgをTHF1mLに溶解した。溶液を0.20μmのポリテトラフルオロエチレン(PTFE)シリンジフィルターを通して濾過し、濾液50μlをGPC系に注入した。以下の分析条件を使用した:ポンプ:公称流量1.0mL/分でのWaters(商標)e2695 Separations Modules、溶離液:Fisher Scientific HPLCグレードのTHF(安定化)、注入器:Waters e2695 Separations Modules、カラム:40℃に保持されたPolymer Laboratories Inc.の2つの5μm混合−Cカラム、検出器:Shodex RI−201示差屈折率(DRI)検出器、較正:3,742kg/mol〜0.58kg/molの範囲にわたる3次多項式曲線に適合する、Polymer Laboratories Inc.の17種のポリスチレン標準物質。
1.HTLホモポリマー溶液の調製:HTLホモポリマー固体粉末をアニソールに直接溶解して、2重量%ストック溶液を作製した。溶液を完全に溶解させるためにN2中80℃で5〜10分間撹拌した。
2.熱アニーリングしたHTLホモポリマー膜の調製:Siウエハを使用前に紫外線オゾンにより2分間前処理した。数滴の上記濾過したHTL溶液を、前処理したSiウエハ上に製膜した。500rpmで5秒間、次いで2000rpmで30秒間スピンコーティングすることにより薄膜を得た。次いで、得られた膜をN2パージボックスに移した。「湿潤」膜を100℃で1分間、前焼成して残留アニソールをほとんど除去した。続いて、膜を160〜235℃で10〜20分間熱アニーリングした。
3.H熱アニーリングしたHTLホモポリマー膜のストリップ試験:M−2000Dエリプソメータ(J.A.Woollam Co.,Inc.)を用いて熱アニーリングされたHTLホモポリマー膜の「初期」厚さを測定した。次いで、膜上に数滴のo−キシレンまたはアニソールを添加して液溜まりを形成した。90秒後、3500rpmで30秒間回転させてo−キシレン/アニソール溶媒を振り落とした。エリプソメータを用いて膜の「ストリップ」厚さを直ちに測定した。次いで、膜をN2パージボックスに移し、続いて100℃で1分間、後焼成して膜中の膨張した溶媒を全て除去した。エリプソメータを使用して「最終」厚さを測定した。Cauchyモデルを用いて膜の厚さを決定し、1cm×1cmの面積内で9=3×3ポイントにわたって平均化した。
「−ストリップ」=「ストリップ」−「初期」:溶媒ストリップによる初期膜損失
「−PSB」=「最終」−「ストリップ」:膨潤溶媒のさらなる膜損失
「−合計」=「−ストリップ」+「−PSB」=「最終」−「初期」:溶媒ストリップおよび膨潤による総膜損失
熱アニーリング:190℃/20分
第1の1.5分間のo−キシレンストリッピング(表2)、第2の5分間のo−キシレンストリッピング(表3)
第1の1.5分間のo−キシレンストリッピング(表4)、第2の5分間のo−キシレンストリッピング(表5)
熱アニーリング:190℃/20分
第1の1.5分間のo−キシレンストリッピング(表6)、第2の5分間のo−キシレンストリッピング(表7)
第1の1.5分間のo−キシレンストリッピング(表8)、第2の5分間のo−キシレンストリッピング(表9)
インジウムスズ酸化物(ITO)ガラス基板(2*2cm)を溶媒エタノール、アセトン、およびイソプロパノールで連続して洗浄し、次いでUVオゾン洗浄剤で15分間処理した。Plextronics社からの正孔注入層(HIL)材料Plexcore(商標)OC AQ−1200を、グローブボックス内で水溶液からITO基板にスピンコートし、150度で20分間アニーリングした。その後、比較の蒸発性HTL、N−([1,1’−ビフェニル]−4−イル)−9,9−ジメチル−N−(4−(9−フェニル−9H−カルバゾール−3−イル)フェニル)−9H−フルオレン−2−アミンについて、基板を、HTL、発光材料層(EML)、電子輸送層(ETL)およびカソードの製膜のために熱蒸発器に移した。溶液処理のための本発明のHTL、HTL材料(可溶性コポリマー)を、アニソール溶液から製膜し、150℃で10分間アニーリングして有機溶媒を除去した。その後、ポリマーHTLの架橋を、グローブボックス内で、205℃で10分間ホットプレート上で実行した。次いで、続いて燐光緑色(Ph−Green)EML、ETLおよびカソードを順番に製膜した。最後に、これらのデバイスを試験前に密封した。
Claims (9)
- Mnが少なくとも4,000であり、式NAr1Ar2Ar3の化合物の重合単位を含むポリマーであって、Ar1、Ar2およびAr3が、独立して、C6−C50の芳香族置換基であり、Ar1、Ar2およびAr3が、少なくとも2個の窒素原子および少なくとも9個の芳香環を集合的に含有し、Ar1、Ar2およびAr3のうちの少なくとも1つが、芳香環に結合したビニル基を含有する、ポリマー。
- 6,000〜1,000,000のMnを有する、請求項1に記載のポリマー。
- 式NAr1Ar2Ar3の前記化合物が、合計10〜20個の芳香環を含有する、請求項2に記載のポリマー。
- Ar2およびAr3が、それぞれ独立して、少なくとも20個の炭素原子を含有し、Ar1が、20個以下の炭素原子を含有する、請求項3に記載のポリマー。
- Ar基が、窒素以外のヘテロ原子を含有しない、請求項4に記載のポリマー。
- ただ1つのビニル基が、式NAr1Ar2Ar3の前記化合物中に存在する、請求項5に記載のポリマー。
- Ar基が、ビフェニリル、フルオレニル、フェニレニル、カルバゾリルおよびインドリルのうちの1つ以上を含む、請求項6に記載のポリマー。
- 1種以上の請求項1に記載のポリマーを含む電子デバイス。
- 1種以上の請求項1に記載のポリマーを含む発光デバイス。
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