JP7212046B2 - 化合物 - Google Patents
化合物 Download PDFInfo
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- JP7212046B2 JP7212046B2 JP2020533608A JP2020533608A JP7212046B2 JP 7212046 B2 JP7212046 B2 JP 7212046B2 JP 2020533608 A JP2020533608 A JP 2020533608A JP 2020533608 A JP2020533608 A JP 2020533608A JP 7212046 B2 JP7212046 B2 JP 7212046B2
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- 229910001411 inorganic cation Inorganic materials 0.000 description 1
- INQOMBQAUSQDDS-UHFFFAOYSA-N iodomethane Chemical compound IC INQOMBQAUSQDDS-UHFFFAOYSA-N 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 125000000468 ketone group Chemical group 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000001457 metallic cations Chemical class 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004776 molecular orbital Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 125000002560 nitrile group Chemical group 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 239000012454 non-polar solvent Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229910052762 osmium Inorganic materials 0.000 description 1
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 description 1
- AICOOMRHRUFYCM-ZRRPKQBOSA-N oxazine, 1 Chemical compound C([C@@H]1[C@H](C(C[C@]2(C)[C@@H]([C@H](C)N(C)C)[C@H](O)C[C@]21C)=O)CC1=CC2)C[C@H]1[C@@]1(C)[C@H]2N=C(C(C)C)OC1 AICOOMRHRUFYCM-ZRRPKQBOSA-N 0.000 description 1
- 238000006864 oxidative decomposition reaction Methods 0.000 description 1
- 125000003544 oxime group Chemical group 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- UHZYTMXLRWXGPK-UHFFFAOYSA-N phosphorus pentachloride Chemical compound ClP(Cl)(Cl)(Cl)Cl UHZYTMXLRWXGPK-UHFFFAOYSA-N 0.000 description 1
- 238000005424 photoluminescence Methods 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920000767 polyaniline Chemical class 0.000 description 1
- 229920002098 polyfluorene Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920000123 polythiophene Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 239000003586 protic polar solvent Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 150000005839 radical cations Chemical class 0.000 description 1
- 239000013558 reference substance Substances 0.000 description 1
- 230000027756 respiratory electron transport chain Effects 0.000 description 1
- 229910052702 rhenium Inorganic materials 0.000 description 1
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 238000007764 slot die coating Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
- 239000012279 sodium borohydride Substances 0.000 description 1
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 1
- 235000019345 sodium thiosulphate Nutrition 0.000 description 1
- 238000010129 solution processing Methods 0.000 description 1
- 238000007614 solvation Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 125000003107 substituted aryl group Chemical group 0.000 description 1
- 150000003871 sulfonates Chemical class 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- DZLFLBLQUQXARW-UHFFFAOYSA-N tetrabutylammonium Chemical compound CCCC[N+](CCCC)(CCCC)CCCC DZLFLBLQUQXARW-UHFFFAOYSA-N 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- JOXIMZWYDAKGHI-UHFFFAOYSA-M toluene-4-sulfonate Chemical compound CC1=CC=C(S([O-])(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-M 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 229910000314 transition metal oxide Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 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
Images
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- 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
- H10K85/60—Organic compounds having low molecular weight
- H10K85/649—Aromatic compounds comprising a hetero atom
- H10K85/654—Aromatic compounds comprising a hetero atom comprising only nitrogen as heteroatom
-
- 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
- H10K85/60—Organic compounds having low molecular weight
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D249/00—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms
- C07D249/02—Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms not condensed with other rings
- C07D249/08—1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/06—Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
-
- 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
- H10K85/60—Organic compounds having low molecular weight
- H10K85/631—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine
-
- 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]
- H10K50/17—Carrier injection layers
- H10K50/171—Electron injection layers
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/30—Doping active layers, e.g. electron transporting layers
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/40—Thermal treatment, e.g. annealing in the presence of a solvent vapour
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- 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
- Y02E10/549—Organic PV cells
Description
1個以上の非隣接C原子がO、S、C=O、COOまたはフェニレンで置換されていてもよいC1-10アルキレン;および、
無置換、又は1以上のC1-20アルキル基で置換された、アリーレンまたはヘテロアリーレン、好ましくはフェニレンであって、当該C1-20アルキル基の1個以上の非隣接C原子はO、S、C=OまたはCOOで置き換えられてもよい。
有機半導体は、ポリマー性または非ポリマー性の材料であってもよい。場合により、有機半導体はポリマーであり、より好ましくは共役ポリマーである。
C1-20アルキル;
-(Ar2)t(式中、Ar2は、各出現において、芳香族基またはヘテロ芳香族基、好ましくはフェニルであり、非置換または1つ以上の置換基で置換されていてもよく、tは少なくとも1、場合により1、2または3である);
イオン性置換基;および
電子求引性置換基、場合によりシアノ。
有機電子デバイスは、式(I)または(II)の化合物と有機半導体から形成されたn型ドープ有機半導体を含む層か、またはこれからなる層を含むことができる。
n型ドーピングは、式(I)または(II)の化合物および有機半導体を含有する層の活性化によって、例えば、層の加熱および/または照射によって行うことができる。活性化は、n型ドーパントおよび/または有機半導体の励起によるものであってもよい。
本明細書に記載されるような有機電子デバイスは、水分および酸素の侵入を防ぐために封入されてもよい。式(I)または(II)の化合物と有機半導体との組成物は、デバイスの封入の前または後に有機半導体をn型ドープするために活性化されてもよい。
式(I)または(II)の化合物および有機半導体を含む組成物は、任意の適切な技術によって堆積されることができる。例えば、1つ以上の溶媒に溶解または分散された式(I)または(II)の化合物および有機半導体を含む配合物からの熱蒸着および堆積させることができるが、これらに限定されるものではない。溶液からの堆積が好ましい。
測定
本明細書に記載されるHOMO準位およびLUMO準位は、矩形波ボルタンメトリーによって測定されるものである。
ソフトウェア付きCHI660D電気化学ワークステーション(IJ Cambria Scientific Ltd)
CHI 104 3mmガラス状炭素ディスク作用電極(IJ Cambria Scientific Ltd)
白金線補助電極
参照電極(Ag/AgCl)(Harvard Apparatus Ltd)
アセトニトリル(ハイドライ無水ROMIL) (セル液溶媒)
トルエン(ハイドライ無水グレード) (試料調製溶媒)
フェロセン-FLUKA (標準品)
テトラブチルアンモニウムヘキサフルオロホスフェート-FLUKA(セル液塩)
アクセプターポリマーを薄膜(~20nm)として作用電極上にスピンコーティングし、ドーパント材料をトルエン中の希釈溶液(0.3w%)として測定した。
測定セルは、電解質、試料が薄膜としてコーティングされるガラス状炭素作用電極、白金対向電極、およびAg/AgCl参照ガラス電極を含む。フェロセンが参照物質として実験終了時にセル内に加えられる(LUMO(フェロセン)=-4.8eV)。
表1に示す化合物のHOMOおよびSOMOレベルをモデル化した。
表2に示す配合物は、化合物実施例1、比較化合物1(J.Am.Chem.Soc.、2010、132、8852-8853に開示されているもの)または比較化合物2(WO2017/103610に開示されているもの)を、通気または脱気したオクタフルオロペンタノールに溶解することによって調製した。
以下の構造を有する有機発光素子を作製した:
ITO / HIL (20nm)/ HTL(20nm)/ LEL(90nm)/ EIL(10nm)/ Al(100nm)/ Ag(100nm)
(ここで、ITOはインジウムスズ酸化物アノードであり、HILは正孔注入層であり、HTLは正孔輸送層であり、EILは電子注入層であり、LELは発光層である)。
電子注入層の膜厚を50nmとした以外は、実施例1と同様にして素子を作製した。
Claims (21)
- Ar1がC6-20芳香族基である、請求項1に記載の化合物。
- Ar1がフェニルである、請求項2に記載の化合物。
- Ar2がC6-20芳香族基である、請求項1~3のいずれか1に記載の化合物。
- Ar2がフェニルである、請求項4に記載の化合物。
- Ar1およびAr2が、それぞれ独立して、無置換又は以下よりなる群:
分岐状、直鎖状または環状のC1-20アルキル基(当該C1-20アルキル基における1つ以上の非隣接、非末端のC原子は、O、S、NR5、C=O、またはCOOで置換されていてもよく、ここで、R5はC1-12ヒドロカルビル基である)、および
イオン性置換基
から選択される1つ以上の置換基で置換されている、請求項1~5のいずれか1に記載の化合物。 - 有機半導体と、請求項1~6のいずれか1に記載の化合物とを含む組成物。
- 前記有機半導体が半導体ポリマーである、請求項7に記載の組成物。
- 前記半導体ポリマーが共役ポリマーである、請求項8に記載の組成物。
- 請求項1~6のいずれか1に記載の化合物と、少なくとも1つの溶媒とを含む配合物。
- 前記配合物が有機半導体をさらに含む、請求項10に記載の配合物。
- 請求項1~6のいずれか1に記載の式(I)の化合物から形成されるn型ドーパントを有機半導体にドープすることによって形成される電荷移動塩。
- 請求項7~9のいずれか1に記載の組成物を活性化する工程を含む、電荷移動塩を形成する方法。
- 請求項12に記載の電荷移動塩を含む層を含む有機電子デバイス。
- 前記有機電子デバイスが、アノード、カソード、前記アノードと前記カソードの間の発光層を含み;前記電荷移動塩を含む層が、前記発光層と前記カソードとの間の電子注入層である、請求項14に記載の有機電子デバイス。
- 前記電子注入層が、前記発光層と接触している、請求項15に記載の有機電子デバイス。
- 有機電子デバイスの層を形成する方法であって、請求項7~9のいずれか1に記載の組成物の層を堆積させる工程と、前記組成物を活性化して有機半導体のn型ドーピングを生じさせる工程を含む方法。
- 前記組成物が、加熱および/または照射によって活性化される、請求項17に記載の方法。
- 前記組成物の層が、請求項11に記載の配合物から堆積される、請求項17または18に記載の方法。
- R3およびR4が、それぞれ独立して、直鎖状、分枝状、または環状のC1-20アルキル基;および、無置換または1つ以上の置換基で置換された芳香族基またはヘテロ芳香族基からなる群から選択される、請求項20に記載の組成物。
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