JP6158937B2 - フルオランテン化合物およびそれを含む有機電子素子 - Google Patents
フルオランテン化合物およびそれを含む有機電子素子 Download PDFInfo
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- JP6158937B2 JP6158937B2 JP2015538037A JP2015538037A JP6158937B2 JP 6158937 B2 JP6158937 B2 JP 6158937B2 JP 2015538037 A JP2015538037 A JP 2015538037A JP 2015538037 A JP2015538037 A JP 2015538037A JP 6158937 B2 JP6158937 B2 JP 6158937B2
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- H10K85/631—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine
- 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
-
- 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
本明細書は2012年11月21日に韓国特許庁に提出された韓国特許出願第10−2012−0132190号の出願日の利益を主張し、その内容の全て本明細書に含まれる。
R1〜R3は−(L)p−(Y)qで表される基であり、
pは0〜10の整数であり、qは1〜10の整数であり、
oは1〜5の整数であり、
rは0〜6の整数であり、
Lは置換もしくは非置換のアリーレン基;置換もしくは非置換のアルケニレン基;置換もしくは非置換のフルオレニレン基;または異種元素としてO、N、SまたはPを有する置換もしくは非置換のヘテロアリーレン基であり、
Yは水素;重水素;ハロゲン基;ニトリル基;ニトロ基;ヒドロキシ基;置換もしくは非置換のアルキル基;置換もしくは非置換のシクロアルキル基;置換もしくは非置換のアルコキシ基;置換もしくは非置換のホスフィンオキシド基;置換もしくは非置換のアリールオキシ基;置換もしくは非置換のアルキルチオキシ基;置換もしくは非置換のアリールチオキシ基;置換もしくは非置換のアルキルスルホキシ基;置換もしくは非置換のアリールスルホキシ基;置換もしくは非置換のアルケニル基;置換もしくは非置換のシリル基;置換もしくは非置換のホウ素基;置換もしくは非置換のアミン基;置換もしくは非置換のアルキルアミン基;置換もしくは非置換のアラルキルアミン基;置換もしくは非置換のアリールアミン基;置換もしくは非置換のヘテロアリールアミン基;置換もしくは非置換のアリール基;置換もしくは非置換のフルオレニル基;置換もしくは非置換のカルバゾール基;またはN、O、SおよびP原子のうち1個以上を含む置換もしくは非置換の複素環基であり、
p≧2またはq≧2の場合、LまたはYは互いに同一であるかまたは異なり、
R1およびR3は互いに結合して脂肪族環、芳香族環、脂肪族複素環または芳香族複素環を形成するかスピロ結合をなしても良く、
o≧2の場合、R4は互いに同一であるかまたは異なり、
R4はO、SおよびP原子のうち1個以上を含む5員環もしくは6員環を含む置換もしくは非置換の複素環基、Nを1個以上含む6員環を含む単環もしくは多環の置換もしくは非置換の複素環基、置換もしくは非置換のベンゾカルバゾール基、および置換もしくは非置換のホスフィンオキシド基からなる群から選択される置換基で置換されたアリール基;置換もしくは非置換のホスフィンオキシド基;O、SおよびP原子のうち1個以上を含む5員環もしくは6員環を含む置換もしくは非置換の複素環基;置換もしくは非置換のベンゾカルバゾール基;またはNを1個以上含む6員環を含む単環もしくは多環の置換もしくは非置換の複素環基であるか、複数のR4のうち互いに隣接する基は脂肪族環、芳香族環、脂肪族複素環または芳香族複素環を形成するかスピロ結合をなしても良く、
r≧2の場合、R5は互いに同一であるかまたは異なり、
R5は水素;重水素;ハロゲン基;ニトリル基;ニトロ基;ヒドロキシ基;置換もしくは非置換のアルキル基;置換もしくは非置換のシクロアルキル基;置換もしくは非置換のアルコキシ基;置換もしくは非置換のホスフィンオキシド基;置換もしくは非置換のアリールオキシ基;置換もしくは非置換のアルキルチオキシ基;置換もしくは非置換のアリールチオキシ基;置換もしくは非置換のアルキルスルホキシ基;置換もしくは非置換のアリールスルホキシ基;置換もしくは非置換のアルケニル基;置換もしくは非置換のシリル基;置換もしくは非置換のホウ素基;置換もしくは非置換のアミン基;置換もしくは非置換のアルキルアミン基;置換もしくは非置換のアラルキルアミン基;置換もしくは非置換のアリールアミン基;置換もしくは非置換のヘテロアリールアミン基;置換もしくは非置換のアリール基;置換もしくは非置換のフルオレニル基;置換もしくは非置換のカルバゾール基;またはN、O、SおよびP原子のうち1個以上を含む置換もしくは非置換の複素環基であるか複数のR5のうち隣接する基は互いに結合して、脂肪族環、芳香族環、脂肪族複素環または芳香族複素環を形成するかスピロ結合をなしても良い。
前記有機物層のうち1層以上は前記化学式1のフルオランテン化合物を含む有機電子素子を提供する。
また、本明細書の前記化学式1で表される化合物は下記化学式2で表されることができる。
o、rおよびR3〜R5は化学式1で定義したものと同様であり、
nおよびmは各々0〜5の整数であり、
n≧2の場合、R6は互いに同一であるかまたは異なり、
m≧2の場合、R7は互いに同一であるかまたは異なり、
R6およびR7は互いに同一であるかまたは異なり、各々独立して水素;重水素;ハロゲン基;ニトリル基;ニトロ基;ヒドロキシ基;置換もしくは非置換のアルキル基;置換もしくは非置換のシクロアルキル基;置換もしくは非置換のアルコキシ基;置換もしくは非置換のホスフィンオキシド基;置換もしくは非置換のアリールオキシ基;置換もしくは非置換のアルキルチオキシ基;置換もしくは非置換のアリールチオキシ基;置換もしくは非置換のアルキルスルホキシ基;置換もしくは非置換のアリールスルホキシ基;置換もしくは非置換のアルケニル基;置換もしくは非置換のシリル基;置換もしくは非置換のホウ素基;置換もしくは非置換のアミン基;置換もしくは非置換のアルキルアミン基;置換もしくは非置換のアラルキルアミン基;置換もしくは非置換のアリールアミン基;置換もしくは非置換のヘテロアリールアミン基;置換もしくは非置換のアリール基;置換もしくは非置換のフルオレニル基;置換もしくは非置換のカルバゾール基;またはN、O、SおよびP原子のうち1個以上を含む置換もしくは非置換の複素環基であるか、隣接する基は互いに結合して脂肪族環、芳香族環、脂肪族複素環または芳香族複素環を形成するかスピロ結合をなしても良い。
本明細書の一実施状態において、pは1である。
本明細書の一実施状態において、pは0である。
本明細書の一実施状態において、qは1〜10の整数である。
本明細書の一実施状態において、qは1である。
本明細書の一実施状態において、Lは置換もしくは非置換のフェニレン基である。
本明細書の一実施状態において、R4は互いに隣接する基と結合して芳香族環を形成する。
前記置換基は、置換もしくは非置換のアルキル基;置換もしくは非置換のアリール基;N、O、SまたはP原子のうち1個以上を含む置換もしくは非置換の複素環基からなる群から選択される置換基でさらに置換もしくは非置換される。
本明細書の一実施状態において、R4は置換もしくは非置換のフェナントロリン基である。
本明細書の一実施状態において、R4は置換もしくは非置換のピリミジン基である。
本明細書の一実施状態において、R4はビフェニル基で置換されたピリミジン基である。
本明細書の一実施状態において、R4はフェニル基で置換されたトリアジン基である。
本明細書の一実施状態において、R4はナフチル基で置換されたトリアジン基である。
本明細書の一実施状態において、R4はフェニル基で置換されたキノリン基である。
本明細書の一実施状態において、R4はピリジン基で置換されたキノリン基である。
本明細書の一実施状態において、R4はキノリン基とベンゾイミダゾール基が結合した構造の置換基である。
本明細書の一実施状態において、R4はフェニル基で置換されたホスフィンオキシド基である。
本明細書の一実施状態において、R4はフェニル基で置換されたベンゾチオフェンである。
本明細書の一実施状態において、R4はフェニル基で置換されたベンゾフランである。
本明細書の一実施状態において、R4はフェニル基で置換されたキナゾリン基である。
本明細書の一実施状態において、R4は置換もしくは非置換のピリジン基である。
本明細書の一実施状態において、R4はピリジン基で置換されたピリジン基である。
本明細書の一実施状態において、前記R4は下記構造式のうちいずれか1つである。
実験例1−1
ITO(indium tin oxide)が500Å厚さで薄膜コーティングされたガラス基板を、洗剤を溶かした蒸留水に入れて超音波で洗浄した。この時、洗剤としてはFischer社製を用い、蒸留水としてはMillipore社製のフィルタ(Filter)で2次フィルターリングした蒸留水を用いた。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分間行った。蒸留水の洗浄が終わった後、イソプロピルアルコール、アセトン、メタノールの溶剤で超音波洗浄をして乾燥した後、プラズマ洗浄機に輸送した。また、酸素プラズマを用いて前記基板を5分間洗浄した後、真空蒸着機に基板を輸送した。
次に、前記正孔輸送層上に膜厚さ230Åで下記のようなGHとGDを10:1の重量比で真空蒸着して発光層を形成した。
前記実験例1−1において、[化合物2]の代わりに[化合物8]を用いたことを除いては、実験例1−1と同様な方法によって有機発光素子を製作した。
前記実験例1−1において、[化合物2]の代わりに[化合物11]を用いたことを除いては、実験例1−1と同様な方法によって有機発光素子を製作した。
前記実験例1−1において、[化合物2]の代わりに[化合物32]を用いたことを除いては、実験例1−1と同様な方法によって有機発光素子を製作した。
前記実験例1−1において、[化合物2]の代わりに[化合物38]を用いたことを除いては、実験例1−1と同様な方法によって有機発光素子を製作した。
前記実験例1−1において、[化合物2]の代わりに化学式ET−Bの化合物を用いたことを除いては、実験例1−1と同様な方法によって有機発光素子を製作した。
前記実験例1−1のように準備したITO透明電極上に前記化学式のヘキサニトリルヘキサアザトリフェニレン(hexanitrile hexaazatriphenylene;HAT)を100Å厚さで熱真空蒸着して正孔注入層を形成した。
前記実験例2−1において、[化合物7]の代わりに[化合物2]を用いたことを除いては、実験例2−1と同様な方法によって有機発光素子を製作した。
前記実験例2−1において、[化合物7]の代わりに[化合物27]を用いたことを除いては、実験例2−1と同様な方法によって有機発光素子を製作した。
前記実験例2−1において、[化合物7]の代わりに[化合物38]を用いたことを除いては、実験例2−1と同様な方法によって有機発光素子を製作した。
前記実験例2−1において、[化合物7]の代わりに化学式ET−Cの化合物を用いたことを除いては、実験例2−1と同様な方法によって有機発光素子を製作した。
2 ・・・陽極
3 ・・・発光層
4 ・・・陰極
5 ・・・正孔注入層
6 ・・・正孔輸送層
7 ・・・電子輸送層
Claims (13)
- 下記化学式1で表されるフルオランテン化合物:
[化学式1]
R1およびR2はフェニル基であり、
R3およびR5は水素であり、
oは1〜5の整数であり、
rは0〜6の整数であり、
o≧2の場合、R4は互いに同一であるかまたは異なり、
R4は、下記置換基のうち少なくとも1つで置換されたフェニル基;または下記置換基のうち少なくとも1つであるか、下記置換基のうち少なくとも1つで置換された複数の隣接するR4同士で炭化水素環を形成する:
- 前記置換基は、水素;メチル基;エチル基;フェニル基;ナフチル基;ビフェニル基;またはピリジン基でさらに置換される、請求項1に記載のフルオランテン化合物。
- 第1電極、第2電極、および前記第1電極と前記第2電極との間に備えられた1層以上の有機物層を含む有機電子素子であって、前記有機物層のうち1層以上は請求項1〜3のいずれか1項に記載のフルオランテン化合物を含む有機電子素子。
- 前記有機電子素子は、有機発光素子、有機太陽電池および有機トランジスタからなる群から選択される、請求項4に記載の有機電子素子。
- 前記有機電子素子は第1電極、第2電極、および前記第1電極と前記第2電極との間に備えられた発光層を含む1層以上の有機物層を含む有機発光素子であって、
前記有機物層のうち1層以上は前記フルオランテン化合物を含む、請求項4に記載の有機電子素子。 - 前記有機物層は電子輸送層、電子注入層または電子輸送および電子注入を同時にする層を含み、
前記電子輸送層、電子注入層または電子輸送および電子注入を同時にする層は前記フルオランテン化合物を含む、請求項6に記載の有機電子素子。 - 前記発光層は前記フルオランテン化合物を含む、請求項6に記載の有機電子素子。
- 前記有機物層は正孔輸送層または正孔注入層を含み、
前記正孔輸送層または正孔注入層は前記フルオランテン化合物を含む、請求項6に記載の有機電子素子。 - 前記有機物層は、正孔注入層、正孔輸送層、電子輸送層、電子注入層、電子阻止層および正孔阻止層からなる群から選択される1層または2層以上をさらに含む、請求項6に記載の有機電子素子。
- 前記有機電子素子は第1電極、第2電極および前記第1電極と前記第2電極との間に備えられた光活性層を含む1層以上の有機物層を含む有機太陽電池であって、
前記有機物層のうち1層以上は前記フルオランテン化合物を含む、請求項4に記載の有機電子素子。 - 前記有機物層は光活性層を含み、前記光活性層は前記フルオランテン化合物を含む、請求項11に記載の有機電子素子。
- 前記有機電子素子はソース、ドレイン、ゲートおよび1層以上の有機物層を含む有機トランジスタであって、前記有機物層のうち1層以上は前記フルオランテン化合物を含む、請求項4に記載の有機電子素子。
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EP2924020B1 (en) | 2019-01-16 |
EP2924020A1 (en) | 2015-09-30 |
TWI610920B (zh) | 2018-01-11 |
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CN104703969A (zh) | 2015-06-10 |
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