TW202118757A - 雜環化合物以及包括其的有機發光元件 - Google Patents
雜環化合物以及包括其的有機發光元件 Download PDFInfo
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- TW202118757A TW202118757A TW109133288A TW109133288A TW202118757A TW 202118757 A TW202118757 A TW 202118757A TW 109133288 A TW109133288 A TW 109133288A TW 109133288 A TW109133288 A TW 109133288A TW 202118757 A TW202118757 A TW 202118757A
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- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
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- 239000004332 silver Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- VNFWTIYUKDMAOP-UHFFFAOYSA-N sphos Chemical compound COC1=CC=CC(OC)=C1C1=CC=CC=C1P(C1CCCCC1)C1CCCCC1 VNFWTIYUKDMAOP-UHFFFAOYSA-N 0.000 description 1
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- 125000005247 tetrazinyl group Chemical group N1=NN=NC(=C1)* 0.000 description 1
- 125000003831 tetrazolyl group Chemical group 0.000 description 1
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- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 125000004306 triazinyl group Chemical group 0.000 description 1
- 125000001425 triazolyl group Chemical group 0.000 description 1
- 125000000026 trimethylsilyl group Chemical group [H]C([H])([H])[Si]([*])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- ODHXBMXNKOYIBV-UHFFFAOYSA-N triphenylamine Chemical compound C1=CC=CC=C1N(C=1C=CC=CC=1)C1=CC=CC=C1 ODHXBMXNKOYIBV-UHFFFAOYSA-N 0.000 description 1
- 125000005580 triphenylene group Chemical group 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
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- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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- C07D405/04—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
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Abstract
本說明書是關於一種由化學式1表示的雜環化合物及包含其的有機發光元件。
Description
本說明書是關於一種雜環化合物及包含其的有機發光元件。
本申請案主張2019年9月27日向韓國智慧財產局(Korean Intellectual Property Office)申請的韓國專利申請案第10-2019-0119670號的優先權及權益,所述專利申請案的全部內容以引用的方式併入本文中。
電致發光元件為一種類型的自發光顯示元件,且具有優勢,所述優勢為具有廣視角及較快回應速度且具有極佳極佳對比度。
有機發光元件具有在兩個電極之間配置有機薄膜的結構。當將電壓施加至具有此結構的有機發光元件時,自兩個電極注入的電子及電洞在有機薄膜中結合且配對,且在所述電子及電洞湮滅時發光。視需要,有機薄膜可以單層或多層形成。
視需要,有機薄膜的材料可具有發光功能。舉例而言,可單獨使用能夠形成發光層本身的化合物作為有機薄膜的材料,或亦可使用能夠作為主體-摻雜劑型發光層的主體或摻雜劑的化合物作為有機薄膜的材料。另外,亦可使用能夠起電洞注入、電洞傳輸、電子阻擋、電洞阻擋、電子傳輸、電子注入以及類似作用的化合物作為有機薄膜的材料。
有機薄膜材料的發展不斷要求提昇有機發光元件之效能、使用壽命或效率。
[技術問題]
本說明書是關於提供一種雜環化合物以及包含其的有機發光元件。
在化學式1中,
L1及L2各自獨立地為直接鍵;經取代或未經取代的C6至C60伸芳基;或經取代或未經取代的二價C2至C60雜環基,
Ar1為包含N的經取代或未經取代的C2至C60雜環基,
Ar2為-N(R106)(R107);或經取代或未經取代的C2至C60雜環基,
R1及R2各自獨立地為氫;氘;鹵基;經取代或未經取代的C1至C60烷基;經取代或未經取代的C3至C60環烷基;經取代或未經取代的C6至C60芳基;或經取代或未經取代的C2至C60雜環基,
R106及R107各自獨立地為氫;氘;鹵基;烷基;烯基;烷氧基;環烷基;芳基;或雜環基,
r1及r2各自為1至4的整數;以及
當r1至r2各自為2或大於2時,括弧中的取代基彼此相同或不同。
本申請案的另一實施例提供一種有機發光元件,包含:第一電極;第二電極,與第一電極相對設置;以及有機材料層,設置於第一電極與第二電極之間,其中有機材料層包含一或多種類型的由化學式1表示的雜環化合物。
[有利作用]
本說明書中所描述的化合物可用作有機發光元件的有機材料層的材料。化合物能夠作為有機發光元件中的電洞注入材料、電洞傳輸材料、發光材料、電子傳輸材料、電子注入材料或其類似物。特定言之,化合物可用作有機發光元件的發光層材料。舉例而言,化合物可僅用作發光材料,或可用作發光層的主體材料。
因化學式1的結構中萘并苯并呋喃經胺基或包含氮的雜環基雙取代,所以HOMO能級(level)為非定域(delocalized)的,有助於電子及電洞傳輸。因此,化學式1容易用作主體,且根據萘并苯并呋喃的取代位置而獲得提高效率及使用壽命的效應。
藉由將各種取代基引入至化學式1的萘并苯并呋喃,中心結構的電洞傳輸能力提高,且擴展的共軛結構可穩定homo能。此形成恰當的能階及帶隙作為主體材料,從而導致發光區域中的激子增加,且獲得驅動電壓及元件效率提高的效應。
特定言之,當在有機材料層中使用由化學式1表示的化合物時,元件的驅動電壓可降低,光效率可提高,且元件的使用壽命特性可提高。
在下文中,將更詳細地描述本說明書。
在本說明書中,某一部分「包含(including)」某些成分意謂能夠更包含其他成分,且除非另有相反的特定陳述,否則不排除其他成分。
術語「取代」意謂與化合物的碳原子鍵結的氫原子變為另一取代基,且只要取代位置為氫原子經取代的位置,亦即取代基可取代的位置,則取代位置不受限制,且在兩個或多於兩個取代基取代時,所述兩個或多於兩個取代基可彼此相同或不同。
在本說明書中,「經取代或未經取代的」意謂經一或多個由下述者組成的族群中選出的取代基取代:C1至C60直鏈或分支鏈烷基;C2至C60直鏈或分支鏈烯基;C2至C60直鏈或分支鏈炔基;C3至C60單環或多環環烷基;C2至C60單環或多環雜環烷基;C6至C60單環或多環芳基;C2至C60單環或多環雜環基;矽基;膦氧化物基團;以及胺基,或未經取代,或經鍵聯兩個或多於兩個由上文示出的取代基中選出的取代基的取代基取代或未經取代。
在本說明書中,「在化學式或化合物結構中未指示取代基的情況」意謂氫原子鍵結至碳原子。然而,由於氘(2
H,deuterium)為氫的同位素,因此一些氫原子可為氘。
在本申請案的一個實施例中,「在化學式或化合物結構中未指示取代基的情況」可意謂可出現取代基的位置可全部為氫或氘。換言之,由於氘為氫的同位素,因此一些氫原子可為作為同位素的氘,且在本文中,氘的含量可為0%至100%。
在本申請案的一個實施例中,在「化學式或化合物結構中未指示取代基的情況」中,當未明確地排除氘時,諸如當未確定氘含量為0%、氫含量為100%或取代基全部為氫時,氫及氘可混合在化合物中。
在本申請案的一個實施例中,氘為氫的同位素中的一者,其為具有由一個質子(proton)以及一個中子(neutron)形成的氘核(deuteron)作為原子核(nucleus)的元素,且可表示為氫-2,並且元素符號亦可寫作D或2
H。
在本申請案的一個實施例中,同位素意謂具有相同原子數(atomic number,Z)但具有不同質量數(mass number,A)的原子,且亦可解譯為具有相同質子(proton)數但具有不同中子(neutron)數的元素。
在本申請案的一個實施例中,特定取代基的含量T%的含義可定義為T2/T1×100=T%,其中基礎化合物可具有的取代基的總數目定義為T1,且此等取代基中的特定取代基的數目定義為T2。
換言之,在一個實例中,在由表示的苯基中具有20%的氘含量意謂所述苯基可具有的取代基的總數目為5(公式中的T1),且此等取代基中氘的數目為1(公式中的T2)。換言之,在苯基中具有20%的氘含量可由以下結構式表示。
另外,在本申請案的一個實施例中,「具有0%氘含量的苯基」可意謂不包含氘原子的苯基,亦即具有5個氫原子的苯基。
在本說明書中,鹵素可為氟、氯、溴或碘。
在本說明書中,烷基包含具有1個至60個碳原子的直鏈或分支鏈,且可進一步經其他取代基取代。烷基的碳原子數可為1至60,特定言之1至40,且更特定言之1至20。其特定實例可包含甲基、乙基、丙基、正丙基、異丙基、丁基、正丁基、異丁基、第三丁基、第二丁基、1-甲基-丁基、1-乙基-丁基、戊基、正戊基、異戊基、新戊基、第三戊基、己基、正己基、1-甲基戊基、2-甲基戊基、4-甲基-2-戊基、3,3-二甲基丁基、2-乙基丁基、庚基、正庚基、1-甲基己基、環戊基甲基、環己基甲基、辛基、正辛基、第三辛基、1-甲基庚基、2-乙基己基、2-丙基戊基、正壬基、2,2-二甲基庚基、1-乙基-丙基、1,1-二甲基-丙基、異己基、4-甲基己基、5-甲基己基以及類似基團,但不限於此。
在本說明書中,烯基包含具有2個至60個碳原子的直鏈或分支鏈,且可進一步經其他取代基取代。烯基的碳原子數可為2至60、特定言之2至40,且更特定言之2至20。其特定實例可包含乙烯基、1-丙烯基、異丙烯基、1-丁烯基、2-丁烯基、3-丁烯基、1-戊烯基、2-戊烯基、3-戊烯基、3-甲基-1-丁烯基、1,3-丁二烯基、烯丙基、1-苯基乙烯基-1-基、2-苯基乙烯基-1-基、2,2-二苯基乙烯基-1-基、2-苯基-2-(萘基-1-基)乙烯基-1-基、2,2-雙(二苯基-1-基)乙烯基-1-基、芪基、苯乙烯基以及類似基團,但不限於此。
在本說明書中,炔基包含具有2個至60個碳原子的直鏈或分支鏈,且可進一步經其他取代基取代。炔基的碳原子數可為2至60,特定言之2至40,且更特定言之2至20。
在本說明書中,環烷基包含具有3個至60個碳原子的單環或多環,且可進一步經其他取代基取代。在本文中,多環意謂其中環烷基直接鍵聯至其他環狀基團或與其他環狀基團稠合的基團。在本文中,其他環狀基團可為環烷基,但亦可為不同類型的環狀基團,諸如雜環烷基、芳基以及雜芳基。環烷基的碳基團數可為3至60,特定言之3至40,且更特定言之5至20。其特定實例可包含環丙基、環丁基、環戊基、3-甲基環戊基、2,3-二甲基環戊基、環己基、3-甲基環己基、4-甲基環己基、2,3-二甲基環己基、3,4,5-三甲基環己基、4-第三丁基環己基、環庚基、環辛基以及類似基團,但不限於此。
在本說明書中,雜環烷基包含作為雜原子的O、S、Se、N或Si,包含具有2個至60個碳原子的單環或多環,且可進一步經其他取代基取代。在本文中,多環意謂其中雜環烷基直接鍵聯至其他環狀基團或與其他環狀基團稠合的基團。在本文中,其他環狀基團可為雜環烷基,但亦可為不同類型的環狀基團,諸如環烷基、芳基以及雜環基。雜環烷基的碳原子數可為2至60,特定言之2至40,且更特定言之3至20。
在本說明書中,芳基包含具有6個至60個碳原子的單環或多環,且可進一步經其他取代基取代。在本文中,多環意謂其中芳基直接鍵聯至其他環狀基團或與其他環狀基團稠合的基團。在本文中,其他環狀基團可為芳基,但亦可為不同類型的環狀基團,諸如環烷基、雜環烷基以及雜芳基。芳基包含螺環基團。芳基的碳原子數可為6至60,特定言之6至40,且更特定言之6至25。芳基的特定實例可包含苯基、聯苯基、聯三苯基、萘基、蒽基、屈基、菲基、苝基、丙二烯合芴基、聯伸三苯基、丙烯合萘基、芘基、稠四苯基、稠五苯基、芴基、茚基、苊基、苯并芴基、螺聯芴基、2,3-二氫-1H-茚基、其稠環基團以及類似基團,但不限於此。
在本說明書中,除了是單價基以外,上文示出為芳基的結構可適用於伸芳基。
在本說明書中,矽基為包含Si且使Si原子直接鍵聯作為自由基的取代基,且由-Si(R101)(R102)(R103)表示。R101至R103彼此相同或不同,且可各自獨立地為由下述者中的至少一者形成的取代基:氫;氘;鹵基;烷基;烯基;烷氧基;環烷基;芳基;以及雜環基。矽基的特定實例可包含三甲基矽基、三乙基矽基、第三丁基二甲基矽基、乙烯基二甲基矽基、丙基二甲基矽基、三苯基矽基、二苯基矽基、苯基矽基以及類似基團,但不限於此。
在本說明書中,芴基可經取代,且相鄰取代基可彼此鍵結而形成環。
在本說明書中,雜環基包含作為雜原子的S、O、Se、N或Si,包含具有2個至60個碳原子的單環或多環,且可進一步經其他取代基取代。在本文中,多環意謂其中雜環基直接鍵聯至其他環狀基團或與其他環狀基團稠合的基團。在本文中,其他環狀基團可為雜環基,但亦可為不同類型的環狀基團,諸如環烷基、雜環烷基以及芳基。雜環基的碳原子數可為2至60,特定言之2至40,且更特定言之3至25。雜環基的特定實例可包含吡啶基、吡咯基、嘧啶基、噠嗪基、呋喃基、噻吩基、咪唑基、吡唑基、噁唑基、異噁唑基、噻唑基、異噻唑基、三唑基、呋呫基(furazanyl group)、噁二唑基、噻二唑基、二噻唑基、四唑基、哌喃基、硫代哌喃基、二嗪基、噁嗪基、噻嗪基、二氧雜環己烯基(dioxynyl group)、三嗪基、四嗪基、喹啉基、異喹啉基、喹唑啉基、異喹唑啉基、喹嗪啉基(qninozolinyl group)、萘啶基、吖啶基、啡啶基、咪唑并吡啶基、二氮雜萘基(diazanaphthalenyl group)、三吖茚基(triazaindene group)、吲哚基、吲哚嗪基、苯并噻唑基、苯并噁唑基、苯并咪唑基、苯并噻吩基、苯并呋喃基、二苯并噻吩基、二苯并呋喃基、咔唑基(carbazolyl group)、苯并咔唑基、二苯并咔唑基、啡嗪基、二苯并噻咯(dibenzosilole group)、螺二(二苯并噻咯)、二氫啡嗪基、啡噁嗪基(phenoxazinyl group)、啡啶基(phenanthridyl group)、咪唑并吡啶基、噻吩基(thienyl group)、吲哚并[2,3-a]咔唑基、吲哚并[2,3-b]咔唑基、吲哚啉基(indolinyl group)、10,11-二氫-二苯并[b,f]吖呯基、9,10-二氫吖啶基、啡嗪基(phenanthrazinyl group)、啡噻嗪基(phenothiathiazinyl group)、酞嗪基(phthalazinyl group)、萘吲啶基(naphthylidinyl group)、啡啉基(phenanthrolinyl group)、苯并[c][1,2,5]噻二唑基、5,10-二氫苯并[b,e][1,4]氮雜矽啉基(5,10-dihydrobenzo[b,e][1,4]azasilinyl group)、吡唑并[1,5-c]喹唑啉基、吡啶并[1,2-b]吲唑基、吡啶并[1,2-a]咪唑并[1,2-e]吲哚啉基、5,11-二氫茚并[1,2-b]咔唑基以及類似基團,但不限於此。
在本說明書中,除了雜芳基為芳族以外,上述雜環基的實例可適用於雜芳基。
在本說明書中,膦氧化物基團由-P(=O)(R104)(R105)表示,且R104及R105彼此相同或不同且可各自獨立地為由下述者中的至少一者形成的取代基:氫;氘;鹵基;烷基;烯基;烷氧基;環烷基;芳基;以雜環基。特定言之,膦氧化物基團可經芳基取代,且作為所述芳基,上文所描述的實例可適用。膦氧化物基團的實例可包含二苯基膦氧化物、二萘基膦氧化物以及類似基團,但不限於此。
在本說明書中,胺基由-N(R106)(R107)表示,且R106及R107彼此相同或不同且可各自獨立地為由下述者中的至少一者形成的取代基:氫;氘;鹵基;烷基;烯基;烷氧基;環烷基;芳基;以及雜環基。胺基可由下述者所組成的族群中選出:-NH2
;單烷基胺基;單芳基胺基;單雜芳基胺基;二烷基胺基;二芳基胺基;二雜芳基胺基;烷基芳基胺基;烷基雜芳基胺基;以及芳基雜芳基胺基,且儘管碳原子數不受其特定限制,但較佳為1至30。胺基的特定實例可包含甲胺基、二甲胺基、乙胺基、二乙胺基、苯胺基、萘胺基、聯苯胺基、二聯苯胺基、蒽胺基(anthracenylamine group)、9-甲基-蒽胺基、二苯胺基、苯基萘胺基、二甲苯胺基、苯基甲苯胺基、三苯胺基、聯苯萘胺基、苯基聯苯胺基、聯苯芴胺基、苯基伸三苯基胺基、聯苯基伸三苯基胺基以及類似基團,但不限於此。
在本說明書中,「相鄰」基團可意謂取代與對應取代基所取代的原子直接鍵聯的原子的取代基、空間位置最接近對應取代基的取代基,或取代對應取代基所取代的原子的另一取代基。舉例而言,取代苯環中的鄰位的兩個取代基以及取代脂族環中的同一碳的兩個取代基可解譯為彼此「相鄰(ortho)」的基團。
作為相鄰基團可形成的脂族烴環、脂族雜環、芳族烴環或芳族雜環,示出為上文所描述的環烷基、雜環烷基、芳基以及雜環基的結構可適用,彼等不為單價基團的基團除外。
本說明書的一個實施例提供一種由化學式1表示的雜環化合物。
藉由將各種取代基引入至化學式1的萘并苯并呋喃,中心結構的電洞傳輸能力提高,且擴展的共軛結構可穩定homo能。此形成恰當的能階及帶隙作為主體材料,從而導致發光區域中的激子增加,且獲得驅動電壓及元件效率提高的效應。
在化學式1-1及化學式1-2中,
R1、R2、Ar1、Ar2、L1、L2以及r1具有與化學式1中相同的定義,
r2為1至3的整數,以及
當r2為2或大於2時,多個R2彼此相同或不同。
在本說明書的一個實施例中,化學式1可由以下化學式1-1-1至化學式1-1-8以及化學式1-2-1至化學式1-2-8中的任一者表示。
[化學式1-1-1]
[化學式1-1-2]
[化學式1-1-3]
[化學式1-1-4]
[化學式1-1-5]
[化學式1-1-6]
[化學式1-1-7]
[化學式1-1-8]
[化學式1-2-1]
[化學式1-2-2]
[化學式1-2-3]
[化學式1-2-4]
[化學式1-2-5]
[化學式1-2-6]
[化學式1-2-7]
[化學式1-2-8]
在化學式1-1-1至化學式1-1-8以及化學式1-2-1至化學式1-2-8中,
R1、R2、Ar1、Ar2、L1、L2以及r1具有與化學式1中相同的定義,
r2為1至3的整數,以及
當r2為2或大於2時,多個R2彼此相同或不同。
在本說明書的一個實施例中,L1及L2各自獨立地為直接鍵;經取代或未經取代的C6至C60伸芳基;或經取代或未經取代的二價C2至C60雜環基。
在本說明書的一個實施例中,L1及L2各自獨立地為直接鍵;經取代或未經取代的C6至C40伸芳基;或經取代或未經取代的二價C2至C40雜環基。
在本說明書的一個實施例中,L1及L2各自獨立地為直接鍵;經取代或未經取代的C6至C20伸芳基;或經取代或未經取代的二價C2至C20雜環基。
在本說明書的一個實施例中,L1及L2各自獨立地為直接鍵;或經取代或未經取代的C6至C20伸芳基。
在本說明書的一個實施例中,L1及L2各自獨立地為直接鍵;或經取代或未經取代的伸苯基。
在本說明書的一個實施例中,L1及L2各自獨立地為直接鍵;或伸苯基。
在本說明書的一個實施例中,Ar1為包含N的經取代或未經取代的C2至C60雜環基。
在化學式2及化學式3中,
Z1至Z5各自為CR或N,且其中至少一者為N,
R及R3各自獨立地為氫;氘;鹵基;經取代或未經取代的C1至C60烷基;經取代或未經取代的C3至C60環烷基;經取代或未經取代的C6至C60芳基;或經取代或未經取代的C2至C60雜環基,或彼此相鄰的兩個或多於兩個基團彼此鍵結以形成經取代或未經取代的C3至C60脂族烴環;經取代或未經取代的C6至C60芳族烴環;或經取代或未經取代的C2至C60雜環,
r3為1至8的整數,以及
當r3為2或大於2時,括弧中的取代基彼此相同或不同。
在所述結構式中,
X為O;S;或NR,
Z11至Z13各自獨立地為CR'或N,且其中至少兩者為N,
R、R'以及R11至R13各自獨立地為氫;氘;鹵基;經取代或未經取代的C1至C60烷基;經取代或未經取代的C3至C60環烷基;經取代或未經取代的C6至C60芳基;或經取代或未經取代的C2至C60雜環基,
R14為氫;氘;經取代或未經取代的C1至C60烷基;經取代或未經取代的C3至C60環烷基;經取代或未經取代的C6至C60芳基;或經取代或未經取代的C2至C60雜環基,或彼此相鄰的兩個或多於兩個基團彼此鍵結以形成經取代或未經取代的C6至C60芳族烴環,
r11為1或2,
r12及r13各自獨立地為1至5的整數,
r14為1至8的整數,以及
當r11為2且r12至r14各自為2或大於2的整數時,括弧中的取代基彼此相同或不同。
在本說明書的一個實施例中,X為O;S;或NR。
在本說明書的一個實施例中,X為O。
在另一實施例中,X為S。
在另一實施例中,X為NR,且R為經取代或未經取代的芳基。
在另一實施例中,X為NR,且R為經取代或未經取代的苯基。
在本說明書的一個實施例中,Z11及Z12為N,Z13為CR',且R'為氫。
在本說明書的一個實施例中,Z11及Z13為N,Z12為CR',且R'為氫。
在本說明書的一個實施例中,Z11至Z13為N。
在本說明書的一個實施例中,R11至R13各自獨立地為氫;氘;鹵基;經取代或未經取代的C1至C60烷基;經取代或未經取代的C3至C60環烷基;經取代或未經取代的C6至C60芳基;或經取代或未經取代的C2至C60雜環基。
在本說明書的一個實施例中,R11至R13各自獨立地為氫;氘;經取代或未經取代的C6至C60芳基;或經取代或未經取代的C2至C60雜環基。
在本說明書的一個實施例中,R11至R13各自獨立地為氫;氘;經取代或未經取代的C6至C40芳基;或經取代或未經取代的C2至C40雜環基。
在本說明書的一個實施例中,R11至R13各自獨立地為氫;氘;經取代或未經取代的C6至C20芳基;或經取代或未經取代的C2至C20雜環基。
在本說明書的一個實施例中,R11為氫;氘;經取代或未經取代的C6至C20芳基;或經取代或未經取代的C2至C20雜環基。
在本說明書的一個實施例中,R11為氫;氘;經取代或未經取代的苯基;經取代或未經取代的聯苯基;經取代或未經取代的萘基;經取代或未經取代的芴基;經取代或未經取代的二苯并呋喃基;或經取代或未經取代的二苯并噻吩基。
在本說明書的一個實施例中,R11為氫;氘;經芳基取代的苯基;聯苯基;萘基;經烷基取代的芴基;二苯并呋喃基;或二苯并噻吩基。
在本說明書的一個實施例中,R12及R13各自獨立地為氫;氘;或經取代或未經取代的C6至C20芳基。
在本說明書的一個實施例中,R12及R13各自獨立地為氫;氘;經取代或未經取代的苯基;經取代或未經取代的聯苯基;或經取代或未經取代的萘基。
在本說明書的一個實施例中,R12及R13各自獨立地為氫;氘;苯基;聯苯基;或萘基。
在本說明書的一個實施例中,R14為氫;氘;經取代或未經取代的C1至C60烷基;經取代或未經取代的C3至C60環烷基;經取代或未經取代的C6至C60芳基;或經取代或未經取代的C2至C60雜環基,或彼此相鄰的兩個或多於兩個基團彼此鍵結以形成經取代或未經取代的C6至C60芳族烴環。
在本說明書的一個實施例中,R14為氫;氘;經取代或未經取代的C6至C60芳基;或經取代或未經取代的C2至C60雜環基,或彼此相鄰的兩個或多於兩個基團彼此鍵結以形成經取代或未經取代的C6至C60芳族烴環。
在本說明書的一個實施例中,R14為氫;氘;經取代或未經取代的C6至C60芳基;或經取代或未經取代的C2至C60雜環基,或彼此相鄰的兩個或多於兩個基團彼此鍵結以形成C6至C60芳族烴環。
在本說明書的一個實施例中,R14為氫;氘;經取代或未經取代的C6至C60芳基;或經取代或未經取代的C2至C60雜環基,或彼此相鄰的兩個或多於兩個基團彼此鍵結以形成苯環。
在本說明書的一個實施例中,Ar2為-N(R106)(R107);或經取代或未經取代的C2至C60雜環基。
在本說明書的一個實施例中,Ar2為-N(R106)(R107);或包含N的經取代或未經取代的C2至C60雜環基。
在本說明書的一個實施例中,Ar2為-N(R106)(R107);或包含N的三環或高於三環的經取代或未經取代的C12至C60雜環基。
在化學式4中,
R4為氫;氘;鹵基;經取代或未經取代的C1至C60烷基;經取代或未經取代的C3至C60環烷基;經取代或未經取代的C6至C60芳基;或經取代或未經取代的C2至C60雜環基,或彼此相鄰的兩個或多於兩個基團彼此鍵結以形成經取代或未經取代的C3至C60脂族烴環;經取代或未經取代的C6至C60芳族烴環;或C2至C60雜環,
r4為1至8的整數,以及
當r4為2或大於2時,括弧中的取代基彼此相同或不同。
在化學式4-1至化學式4-5中,
Y為O;S;NR'或CR'R",
R'、R"及R41至R45各自獨立地為氫;氘;經取代或未經取代的C1至C60烷基;經取代或未經取代的C6至C60芳基;或經取代或未經取代的C2至C60雜環基,
r41為1至8的整數,
r42及r43各自為1至6的整數,
r44為1至5的整數,
r45為1至4的整數,且
當r41至r45各自為2或大於2時,括弧中的取代基彼此相同或不同。
在本說明書的一個實施例中,Y為O;S;NR'或CR'R"。
在本說明書的一個實施例中,Y為O。
在另一實施例中,Y為S。
在另一實施例中,Y為NR',且R'為經取代或未經取代的C6至C60芳基。
在另一實施例中,Y為NR',且R'為C6至C60芳基。
在另一實施例中,Y為NR',且R'為苯基。
在另一實施例中,Y為CR'R",且R'及R"各自獨立地為經取代或未經取代的C1至C60烷基。
在另一實施例中,Y為CR'R",且R'及R"各自獨立地為C1至C20烷基。
在另一實施例中,Y為CR'R",且R'及R"各自獨立地為甲基。
在本說明書的一個實施例中,R41至R45各自獨立地為氫;氘;經取代或未經取代的C1至C60烷基;經取代或未經取代的C6至C60芳基;或經取代或未經取代的C2至C60雜環基。
在本說明書的一個實施例中,R41至R45各自獨立地為氫;氘;或經取代或未經取代的C6至C60芳基。
在本說明書的一個實施例中,R41至R45各自獨立地為氫;氘;或經取代或未經取代的C6至C30芳基。
在本說明書的一個實施例中,R41至R45各自獨立地為氫;氘;或經取代或未經取代的苯基。
在本說明書的一個實施例中,R41至R45各自獨立地為氫;氘;或苯基。
在本說明書的一個實施例中,Ar2為-N(R106)(R107),且R106及R107各自獨立地為芳基或雜環基。
在本說明書的一個實施例中,Ar2為-N(R106)(R107),且R106及R107各自獨立地為經雜環基取代的苯基、聯苯基、萘基、二甲基芴基、二苯并呋喃基或二苯并噻吩基。
另外,藉由將各種取代基引入至化學式1的結構,可合成具有所引入取代基的獨特特性的化合物。舉例而言,藉由將通常用作用於製造有機發光元件的電洞注入層材料、電洞傳輸層材料、發光層材料、電子傳輸層材料以及電荷產生層材料的取代基引入至核心結構,可合成滿足各有機材料層所需條件的材料。
此外,藉由將各種取代基引入至化學式1之結構,可精細控制能帶隙,且同時,強化在有機材料之間的界面處的特性,且材料應用可變得多樣化。
本說明書的一個實施例提供一種有機發光元件,包含:第一電極;第二電極;以及有機材料層,設置於第一電極與第二電極之間,其中有機材料層包含一或多種類型的由化學式1表示的雜環化合物。
在本說明書的一個實施例中,第一電極可為陽極,且第二電極可為陰極。
在本說明書的另一實施例中,第一電極可為陰極,且第二電極可為陽極。
在本說明書的一個實施例中,有機發光元件可為藍色有機發光元件,且根據化學式1的雜環化合物可用作藍色有機發光元件的材料。舉例而言,藍色有機發光元件的發光層的主體材料中可包含根據化學式1的雜環化合物。
在本說明書的另一實施例中,有機發光元件可為綠色有機發光元件,且根據化學式1的雜環化合物可用作綠色有機發光元件的材料。舉例而言,綠色有機發光元件的發光層的主體材料中可包含根據化學式1的雜環化合物。
在本說明書的另一實施例中,有機發光元件可為紅色有機發光元件,且根據化學式1的雜環化合物可用作紅色有機發光元件的材料。舉例而言,紅色有機發光元件的發光層的主體材料中可包含根據化學式1的雜環化合物。
關於由化學式1表示的雜環化合物的特定描述與上文提供的描述相同。
除使用上文描述的雜環化合物形成一或多個有機材料層以外,可使用常用有機發光元件製造方法及材料來製造本說明書的有機發光元件。
當製造有機發光元件時,雜環化合物可經由溶液塗佈法以及真空沈積法形成為有機材料層。在本文中,溶液塗佈法意謂旋塗、浸塗、噴墨印刷、網板印刷、噴霧法、滾塗法以及類似方法,但不限於此。
本說明書的有機發光元件的有機材料層可以單層結構形成,但可以其中層壓兩個或多於兩個有機材料層的多層結構形成。舉例而言,本揭露的有機發光元件的結構可包含電洞注入層、電洞傳輸層、發光層、電子傳輸層、電子注入層以及類似層作為有機材料層。然而,有機發光元件的結構不限於此,且可包含較少數目個有機材料層。
在本說明書的有機發光元件中,有機材料層包含發光層,且發光層可包含一或多種類型的化學式1的雜環化合物。
在本說明書的有機發光元件中,有機材料層包含發光層,且發光層包含主體,且主體可包含一或多種類型的化學式1的雜環化合物。
在本說明書的一個實施例中,有機材料層包含發光層,發光層包含主體,且主體可包含一種類型的化學式1的雜環化合物。
在本說明書的另一個實施例中,有機材料層包含發光層,發光層包含主體,且主體可包含兩種類型的化學式1的雜環化合物。
在本說明書的另一個實施例中,主體包含兩種類型的化學式1的雜環化合物,且以1:5至5:1的含量比,較佳地以1:3至3:1,且更佳地以1:1包含兩種類型的雜環化合物。
在化學式5中,
R21及R22各自為經取代或未經取代的芳基。
在本說明書的一個實施例中,R21及R22各自為經取代或未經取代的苯基;經取代或未經取代的聯苯基;或經取代或未經取代的萘基。
在本說明書的一個實施例中,R21及R22各自為未經取代或經芳基取代的苯基;聯苯基;或萘基。
在本說明書的一個實施例中,主體包含化學式1的雜環化合物及化學式5的化合物,且化學式1的雜環化合物與化學式5的化合物的含量比(重量比)為1:1或1:3至3:1,較佳地為2:1至3:1,且更佳地為3:1。
在另一有機發光元件中,主體可為紅色主體。
在本說明書的一個實施例中,有機材料層包含一或多種類型的由化學式1表示的雜環化合物,且磷光摻雜劑可與其一起使用。
在本說明書的一個實施例中,有機材料層包含一或多種類型的由化學式1表示的雜環化合物,且銥類摻雜劑可與其一起使用。
作為磷光摻雜劑的材料,可使用所屬領域中已知的磷光摻雜劑材料。
舉例而言,可使用由LL'MX'、LL'L"M、LMX'X"、L2MX'以及L3M表示的磷光摻雜劑材料,然而,本揭露的範疇不限於這些實例。
在本文中,L、L'、L"、X'以及X"為彼此不同的雙齒配位體,且M為形成八面體錯合物的金屬。
M可為銥、鉑、鋨或類似者。
L為藉由sp2碳及雜原子作為銥類摻雜劑與M配位的陰離子雙齒配位體,且X可起捕捉電子或電洞的作用。L的非限制性實例包含(1-苯基異喹啉)、2-(1-萘基)苯并噁唑、(2-苯基苯并噁唑)、(2-苯基苯并噻唑)、(7,8-苯并喹啉)、(噻吩基吡嗪)、苯基吡啶、苯并噻吩并吡嗪、3-甲氧基-2-苯基吡啶、噻吩基吡嗪、甲苯基吡啶以及類似物。X'及X"的非限制性實例包含乙醯基丙酮酸鹽(acetylacetonate;acac)、六氟乙醯基丙酮酸鹽、亞柳基、吡啶甲酸鹽、8-羥基喹啉以及類似物。
在本說明書的一個實施例中,作為銥類摻雜劑,(piq)2
(Ir)(acac)可用作紅色磷光摻雜劑。
在本說明書的一個實施例中,基於整個發光層,摻雜劑的含量可為1%至15%,且較佳地1%至10%。
本揭露的有機發光元件可更包含一個、兩個或多於兩個由下述者所組成的族群中選出的層:發光層、電洞注入層、電洞傳輸層、電子注入層、電子傳輸層、電子阻擋層以及電洞阻擋層。
圖1至圖3示出根據本說明書的一個實施例的有機發光元件的電極及有機材料層的層壓次序。然而,本申請案的範疇不限於此等圖式,且所屬領域中已知的有機發光元件的結構亦可用於本申請案中。
圖1示出其中陽極(200)、有機材料層(300)以及陰極(400)連續層壓於基底(100)上的有機發光元件。然而,所述結構不限於此結構,且如圖2中所示出,亦可獲得其中陰極、有機材料層以及陽極連續層壓於基底上的有機發光元件。
圖3示出有機材料層為多層的情況。根據圖3的有機發光元件包含電洞注入層(301)、電洞傳輸層(302)、發光層(303)、電洞阻擋層(304)、電子傳輸層(305)以及電子注入層(306)。然而,本申請案的範疇不限於此層壓結構,且視需要,可不包含除發光層以外的層,且可另外增加其他所需功能層。
視需要,包含由化學式1表示的雜環化合物的有機材料層可更包含其他材料。
在根據本說明書中的一個實施例的有機發光元件中,在下文示出除由化學式1表示的雜環化合物以外的材料,然而,此等材料僅用於說明性目的,而非用於限制本申請案的範疇,且可由所屬領域中已知的材料替換。
可使用具有相對較大功函數的材料作為陽極材料,且可使用透明的導電氧化物、金屬、導電聚合物或類似材料作為陽極材料。陽極材料的特定實例包含金屬,諸如釩、鉻、銅、鋅以及金,或其合金;金屬氧化物,諸如氧化鋅、氧化銦、氧化銦錫(indium tin oxide;ITO)以及氧化銦鋅(indium zinc oxide;IZO);金屬與氧化物的組合,諸如ZnO:Al或SnO2
:Sb;導電聚合物,諸如聚(3-甲基噻吩)、聚[3,4-(伸乙基-1,2-二氧基)噻吩](PEDOT)、聚吡咯以及聚苯胺,以及其類似者,但不限於此。
可使用具有相對小功函數的材料作為陰極材料,且可使用金屬、金屬氧化物、導電聚合物或類似材料作為陰極材料。陰極材料的特定實例包含金屬,諸如,鎂、鈣、鈉、鉀、鈦、銦、釔、鋰、釓、鋁、銀、錫以及鉛或其合金;多層結構材料,諸如,LiF/Al或LiO2
/Al以及其類似者,但不限於此。
可使用已知的電洞注入材料作為電洞注入材料,且例如可使用酞菁化合物,諸如美國專利第4,356,429號中所揭露的銅酞菁;或星爆式胺衍生物(starburst-type amine derivative),諸如描述於文獻[高級材料(Advanced Material),6,第677頁(p.677)(1994)]中的三(4-肼甲醯基-9-基苯基)胺(TCTA)、4,4',4"-三[苯基(間甲苯基)胺基]三苯胺(m-MTDATA)或1,3,5-三[4-(3-甲基苯基苯基胺基)苯基]苯(m-MTDAPB);具有溶解度之導電聚合物,聚苯胺/十二烷基苯磺酸(Polyaniline/Dodecylbenzenesulfonic acid)、聚(3,4-伸乙二氧基噻吩)/聚(4-苯乙烯磺酸脂)(Poly(3,4-ethylenedioxythiophene)/Poly(4-styrenesulfonate))、聚苯胺/樟腦磺酸(Polyaniline/Camphor sulfonic acid)或聚苯胺/聚(4-苯乙烯磺酸酯)(Polyaniline/Poly(4-styrenesulfonate));以及類似材料。
可使用吡唑啉衍生物、芳胺類衍生物、二苯乙烯衍生物、三苯基二胺衍生物以及類似材料作為電洞傳輸材料,且亦可使用低分子或高分子材料作為電洞傳輸材料。
可使用噁二唑衍生物的金屬錯合物、蒽醌二甲烷(anthraquinodimethane)以及其衍生物、苯醌(benzoquinone)及其衍生物、萘醌(naphthoquinone)及其衍生物、蒽醌(anthraquinone)及其衍生物、四氰蒽醌二甲烷(tetracyanoanthraquinodimethane)及其衍生物、芴酮衍生物、二苯基二氰乙烯及其衍生物、聯苯醌(diphenoquinone)衍生物、8-羥基喹啉及其衍生物以及類似化合物作為電子傳輸材料,且亦可使用高分子材料以及低分子材料作為電子傳輸材料。
作為電子注入材料的實例,LiF通常用於所屬領域中,然而,本申請案不限於此。
可使用發紅光、綠光或藍光的材料作為發光材料,且視需要可混合且使用兩種或多於兩種發光材料。在本文中,兩種或多於兩種發光材料可藉由沈積為個別供應源或藉由預混合及沈積為一個供應源而使用。另外,螢光材料亦可用作發光材料,然而,亦可使用磷光材料。可單獨使用藉由鍵結分別自陽極及陰極注入的電子及電洞來發光的材料作為發光材料,然而,亦可使用具有涉及發光的主體材料及摻雜材料的材料作為發光材料。
當混合發光材料主體時,可混合相同系列主體,或可混合不同系列主體。舉例而言,可選擇n型主體材料或p型主體材料中的任何兩種或多於兩種類型的材料,且用作發光層的主體材料。
在本說明書的一個實施例中,化學式1的雜環化合物可用作n型主體材料。
在本說明書的一個實施例中,化學式5的化合物可用作P型主體材料。
取決於所使用的材料,根據本說明書的一個實施例的有機發光元件可為頂部發光型、底部發光型或雙面發光型。
根據本說明書的一個實施例的雜環化合物根據用於有機發光元件中的類似原理亦可用於包含有機太陽能電池、有機光導體、有機電晶體以及類似物的有機電子元件中。
在下文中,本說明書將參照實例更詳細地進行描述,然而,此等僅出於說明性目的,且本申請案之範疇不限於此。
在將中間物A(10公克,44.84毫莫耳(mmol))、中間物B(7.8公克,44.84毫莫耳)、雙(二亞苄基丙酮)鈀(0)(Pd(dba)2
)(1.3公克,2.24毫莫耳)、2-二環已基膦基-2',4',6'-三異丙基聯苯(2-Dicyclohexylphosphino-2',4',6'-triisopropylbiphenyl,Xphos)(4.2公克(g),8.96毫莫耳)以及NaOH(3.6公克,89.68毫莫耳)溶解於二噁烷(dioxane)(100毫升(mL))中之後,在100ºC下攪拌所得物8小時。將反應完成的混合溶液溶解於二氯甲烷(methylene chloride;MC)中,且用水萃取。用無水MgSO4
乾燥有機層,且接著過濾矽膠。使用旋轉式蒸發器自過濾的濾液移除溶劑,以獲得中間物D(5.9公克),黃色油狀,產率48%。
2)中間物E的製備
在將中間物D(5.9公克,21.52毫莫耳)溶解於CHCl3
(50毫升)中之後,在0℃下向其中逐滴(dropwise)添加Br2
(1.1毫升,21.52毫莫耳),且在室溫下將所得物攪拌2小時。將甲醇引入至完成反應的混合溶液中,且在攪拌30分鐘之後,將所得物過濾以獲得中間物E,白色固體,產率93%。
3)中間物F的製備
在將中間物E(7公克,20.01毫莫耳)溶解於二甲基乙醯胺(dimethylacetamide;DMA)(50毫升)中之後,向其中引入Cs2
CO3
(13.03公克,40.02毫莫耳),且在160℃下將所得物攪拌1小時。過濾完成反應的混合溶液,且使用旋轉式蒸發器自過濾的濾液中移除溶劑以獲得中間物F,白色固體,產率93%。
除了使用下表1的中間物A及中間物B代替製備實例1的中間物A及中間物B以外,以與製備實例1相同的方式合成下表1的中間物F。
[表1]
[製備實例2]中間物F的製備(2)
1)中間物F的製備
化合物編號 | 中間物A | 中間物B | 中間物F |
1 | |||
23 | |||
40 | |||
160 |
在將中間物C(10公克,39.57毫莫耳)溶解於CHCl3
(100毫升)中之後,在0℃下向其中逐滴添加Br2
(2.04毫升,39.57毫莫耳),且在室溫下將所得物攪拌2小時。將甲醇引入至完成反應的混合溶液中,且在攪拌30分鐘之後,將所得物過濾以獲得中間物F,白色固體,產率90%。
除了使用下表2的中間物C代替製備實例2的中間物C以外,以與製備實例2相同的方式合成下表2的中間物F。
[表2]
[製備實例3]目標化合物(1)的製備
1)中間物G的製備
化合物編號 | 中間物C | 中間物F |
85 | ||
199 | ||
123 | ||
254 |
在將中間物F(10公克,30.15毫莫耳)、雙(頻哪醇根基)二硼(Bis(pinacolato)diboron)(11.5公克,45.23毫莫耳)、[1,1'-雙(二苯基膦基)二茂鐵]二氯化鈀(II)(PdCl2
dppf)(1.1公克,1.5毫莫耳)以及乙酸鉀(KOAc)(7.4公克,75.37毫莫耳)溶解於1,4-二噁烷(100毫升)中之後,在100℃下將所得物攪拌3小時。將反應完成的混合溶液濃縮,溶解於MC中,且用水萃取。用無水MgSO4
乾燥有機層,且接著過濾矽膠。使用旋轉式蒸發器自過濾的濾液中移除溶劑以獲得中間物G,棕色固體,呈粗製(crude)狀態而無需單獨純化。
2)中間物I的製備
在將中間物G(9.7公克,25.62毫莫耳)、中間物H(2-氯-4,6-二苯基-1,3,5-三嗪)(2-chloro-4,6-diphenyl-1,3,5-triazine)(6.85公克,25.62毫莫耳)、四(三苯基膦)鈀(0)(Tetrakis(triphenylphosphine)palladium(0))(Pd(PPh3
)4
)(1.48公克,1.28毫莫耳)以及K2
CO3
(7.08公克,51.24毫莫耳)溶解於二噁烷(80 毫升)及H2
O(20 毫升)中之後,在100℃下將所得物攪拌6小時。反應完成後,過濾沈澱的固體,且用H2
O、甲醇以及丙酮洗滌以獲得中間物I(6.7公克),白色固體,產率54%。
3)化合物1的製備
在將中間物I(6.7公克,13.83毫莫耳)、中間物J(二苯胺(Diphenylamine))(2.34公克,13.83毫莫耳)、三(二苯亞甲基丙酮)二鈀(0)(Tris(dibenzylideneacetone)dipalladium(0))(Pd2
(dba)3
)(0.63公克,0.7毫莫耳)、XPhos(1.33公克,2.8毫莫耳)以及第三丁醇鈉(Sodium tert-butoxide)(Nat
Obu)(2.66公克,27.66毫莫耳)溶解於甲苯(50毫升)中之後,在100℃下將所得物攪拌3小時。反應完成後,過濾沈澱的固體,且用H2
O及甲醇洗滌。乾燥過濾的固體,且接著在溶解於過量的1,2-二氯苯(1,2-Dichlorobenzene)熱溶劑中之後過濾矽膠。在使用旋轉式蒸發器自過濾的濾液中移除溶劑之後,使用丙酮沈澱(precipitation)所得物,且接著過濾沈澱以獲得化合物1(5.54公克),黃色固體,產率65%。
除了使用下表3的中間物F、中間物H以及中間物J代替製備實例3的中間物F、中間物H以及中間物J以外,以與製備實例3相同的方式合成下表3的目標化合物。
[表3]
[製備實例4]目標化合物(2)的製備
1)中間物K的製備
化合物編號 | 中間物F | 中間物H | 中間物J | 目標化合物 | 產率 |
1 | 65% | ||||
19 | 74% | ||||
31 | 69% | ||||
160 | 51% |
在將中間物F(10公克,30.15毫莫耳)、中間物J(5H-苯并[b]咔唑(5H-benzo[b]carbazole)))(6.5公克,30.15毫莫耳)、Pd2
(dba)3
(1.38公克,1.5毫莫耳)、(2-二環已基膦基-2',4',6'-三異丙基聯苯)(XPhos)(2.86公克,6毫莫耳)以及Nat
OBu(5.8公克,60.3毫莫耳)溶解於甲苯(100毫升)中之後,在100℃下將所得物攪拌3小時。反應完成後,過濾沈澱的固體,且用H2
O及甲醇洗滌。乾燥過濾的固體,且接著在溶解於過量的1,2-二氯苯(1,2-Dichlorobenzene)熱溶劑中之後過濾矽膠。在使用旋轉式蒸發器自過濾的濾液中移除溶劑之後,使用丙酮沈澱(precipitation)所得物,且接著過濾沈澱以獲得中間物K(11.14公克),白色固體,產率79%。
2)中間物L的製備
在將中間物K(11.14公克,23.81毫莫耳)、雙(頻哪醇根基)二硼(9.08公克,35.71毫莫耳)、Pd2
(dba)3
(1.1公克,1.2毫莫耳)、(2-二環已基膦基-2',6'-二甲氧基聯苯)(sPhos)(2公克,4.8毫莫耳)以及KOAc(7公克,71.43毫莫耳)溶解於1,4-二噁烷(100毫升)中之後,在100℃下將所得物攪拌3小時。將反應完成的混合溶液濃縮,溶解於MC中,且用水萃取。用無水MgSO4
乾燥有機層,且接著過濾矽膠。使用旋轉式蒸發器自過濾的濾液中移除溶劑以獲得中間物L,棕色固體,呈粗製狀態而無需單獨純化。
3)化合物85的製備
在將中間物L(10.65公克,19.04毫莫耳)、中間物H(2-氯-4,6-二苯基-1,3,5-三嗪)(5.1公克,19.04毫莫耳)、Pd(PPh3
)4
(1.1公克,0.95毫莫耳)以及K2
CO3
(5.3公克,38.08毫莫耳)溶解於二噁烷(80毫升)及H2
O(20毫升)中之後,在100℃下將所得物攪拌6小時。反應完成後,過濾沈澱的固體,且用H2
O、甲醇以及丙酮洗滌以獲得化合物85(8.1公克),白色固體,產率64%。
除了使用下表4的中間物F、中間物H以及中間物J代替製備實例4的中間物F、中間物H以及中間物J以外,以與製備實例4相同的方式合成下表4的目標化合物。
[表4]+
化合物編號 | 中間物F | 中間物H | 中間物J | 目標化合物 | 產率 |
85 | 64% | ||||
199 | 78% | ||||
123 | 76% | ||||
254 | 61% |
除製備實例1至製備實例4中描述的化合物以外的化合物亦以與製備實例1至製備實例4中描述的化合物相同的方式製備,且合成鑑定結果展示於下表5及表6中。
[表5]
[表6]
<實驗實例1>有機發光元件的製造
1)有機發光元件的製造
化合物 | 1 H NMR (CDCl3 , 200 Mz) |
1 | δ=8.65(d, 4H), 8.36(d, 1H), 8.20(d, 1H), 8.03(d, 1H), 7.95(s, 1H), 7.80~7.69(m, 6H), 7.62~7.50(m, 6H), 7.49~7.33(m, 8H)。 |
2 | δ=8.26(d, 4H), 8.06(d, 1H), 8.03~7.98(m, 5H), 7.95~7.88(s, 7H), 7.80~7.69(m, 6H), 7.62~7.50(m, 6H), 7.25(m, 1H), 7.07 d, 1H), 6.99~6.90(d, 4H), 6.39(d, 1H) |
4 | δ=9.25(d, 1H), 9.05(d, 4H), 8.68(d, 1H), 8.46(d, 1H), 8.26(d, 1H), 8.03(d, 1H), 7.95(s, 1H), 7.81~7.69(m, 6H), 7.62~7.53(m, 6H), 7.49~7.33(m, 8H)。 |
8 | δ=9.08(d, 1H), 8.98(d, 4H), 8.55(d, 1H), 8.28(d, 1H), 8.17~8.13(m, 5H), 7.70~7.63(m, 7H), 7.58~7.49(m, 8H), 7.35~7.42(m, 4H), 7.16(m, 1H) |
11 | δ=9.00(d, 1H), 8.71(s, 1H), 8.43(d, 1H), 8.20(d, 1H), 7.99(d, 1H), 7.81(s, 1H), 7.70~7.59(m, 8H), 7.51~7.41(m, 8H), 7.31~7.28(m, 6H)。 |
15 | δ=9.11(d, 1H), 8.75(s, 1H), 8.53(d, 1H), 8.21(d, 1H), 7.99(d, 1H), 7.81(s, 1H), 7.70~7.59(m, 8H), 7.51~7.41(m, 8H), 7.31~7.28(m, 6H)。 |
19 | δ=8.65(d, 4H), 8.36(d, 1H), 8.20(d, 1H), 8.11(s, 1H), 7.90(s, 1H), 7.80~7.69(m, 6H), 7.62~7.50(m, 6H), 7.49~7.33(m, 8H)。 |
23 | δ=9.29(s, 1H), 9.02(d, 1H), 8.99(d, 4H), 8.59(s, 1H), 8.43(d, 1H), 8.26(d, 1H), 8.11(d, 1H), 8.01(d, 1H), 7.93(s, 1H), 7.85~7.71(m, 8H), 7.54~7.50(m, 4H), 7.42~7.37(m, 4H)。 |
25 | δ=9.04(d, 1H), 8.95(d, 4H), 8.80(d, 1H), 8.65(d, 1H), 8.23(d, 1H), 7.99(d, 1H), 7.82(s, 1H), 7.75~7.62(m, 6H), 7.59~7.49(m, 6H), 7.40~7.29(m, 8H)。 |
28 | δ=8.97(d, 1H), 8.56(s, 1H), 8.35(d, 1H), 8.09(d, 1H), 7.94(d, 1H), 7.80(s, 1H), 7.65~7.55(m, 8H), 7.45~7.36(m, 10H), 7.30~7.25(m, 4H)。 |
31 | δ=8.65(d, 4H), 8.36(d, 1H), 8.20(d, 1H), 8.03(s, 1H), 7.98(s, 1H), 7.79~7.65(m, 6H), 7.60~7.51(m, 6H), 7.49~7.38(m, 8H)。 |
47 | δ=9.12(d, 1H), 9.05(d, 4H), 8.84(d, 1H), 8.41(d, 1H), 8.35(d, 1H), 8.12(d, 1H), 7.94(s, 1H), 7.74~7.65(m, 6H), 7.59~7.52(m, 6H), 7.43~7.33(m, 8H), 1.64(m, 6H)。 |
49 | δ=9.33(d, 1H), 9.08(d, 4H), 8.99(s, 1H), 8.82(d, 1H), 8.56(d, 1H), 8.47(d, 1H), 8.18(d, 1H), 8.08(s, 1H), 7.87~7.79(m, 6H), 7.64~7.56(m, 6H), 7.40~7.29(m, 5H)。 |
57 | δ=9.25(d, 1H), 9.01(d, 4H), 8.85(s, 1H), 8.64(d, 1H), 8.33(d, 1H), 8.17(d, 1H), 8.00(d, 1H), 7.87~7.80(m, 6H), 7.67~7.54(m, 6H), 7.41~7.27(m, 8H)。 |
59 | δ=9.00(d, 1H), 8.71(s, 1H), 8.43(d, 1H), 8.28~8.20(m, 4H), 7.99(d, 1H), 7.81(s, 1H), 7.70~7.59(m, 8H), 7.51~7.41(m, 7H), 7.31~7.28(m, 6H)。 |
74 | δ=8.92(d, 1H), 8.76(d, 4H), 8.65(s, 1H), 8.53(d, 1H), 8.32(d, 1H), 8.18(d, 1H), 8.04(d, 1H), 7.84~7.70(m, 8H), 7.63~7.58(m, 8H), 7.44~7.31(m, 10H)。 |
80 | δ=9.12(d, 1H), 8.92(d, 4H), 8.64(d, 1H), 8.32(d, 1H), 8.21(d, 1H), 8.03(d, 1H), 7.88(s, 1H), 7.75~7.69(m, 6H), 7.58~7.44(m, 6H), 7.35~7.27(m, 6H)。 |
82 | δ=9.12(d, 1H), 8.70(s, 1H), 8.51~8.40(m, 2H), 7.99(d, 1H), 7.81(s, 1H), 7.70~7.59(m, 8H), 7.51~7.41(m, 8H), 7.31~7.28(m, 6H)。 |
85 | δ=9.05(d, 1H), 8.71(s, 1H), 8.43(d, 1H), 8.20~8.12(m, 2H), 7.81(s, 1H), 7.70~7.59(m, 8H), 7.51~7.41(m, 8H), 7.31~7.28(m, 6H)。 |
87 | δ=9.31(d, 1H) 9.02(d, 4H), 8.91(s, 1H), 8.82(d, 1H), 8.43(d, 1H), 8.34(d, 1H), 8.12(d, 1H), 8.05(s, 1H), 7.88~7.75(m, 7H), 7.69~7.57(m, 6H), 7.45~7.31(m, 8H)。 |
98 | δ=9.33(d, 1H), 9.12(d, 4H), 8.89(d, 1H), 8.57(d, 1H), 8.31(d, 1H), 8.09(d, 1H), 7.99(s, 1H), 7.80~7.69(m, 6H), 7.60~7.53(m, 6H), 7.45~7.33(m, 8H)。 |
100 | δ=8.55(d, 1H), 8.25(m, 4H), 8.21~8.18(m, 2H), 7.99~7.98(m, 2H), 7.81(s, 1H), 7.70~7.59(m, 8H), 7.51~7.41(m, 8H), 7.31~7.28(m, 4H)。 |
102 | δ=9.38(d, 1H), 9.20(s, 1H), 8.87(d, 4H), 8.66(s, 1H), 8.64(d, 1H), 8.41(d, 1H), 8.33(d, 1H), 8.11(d, 1H), 8.09(s, 1H), 7.91~7.76(m, 5H), 7.67~7.62(m, 6H), 7.53~7.35(m, 5H)。 |
103 | δ=8.55(d, 1H), 8.25(m, 4H), 8.21~8.18(m, 2H), 7.99~7.98(m, 2H), 7.81(s, 1H), 7.70~7.59(m, 8H), 7.51~7.41(m, 8H), 7.31~7.28(m, 4H)。 |
112 | δ=9.25(d, 1H), 8.99(d, 4H), 8.78(s, 1H), 8.71(d, 1H), 8.35(d, 1H), 8.22(d, 1H), 8.07(d, 1H), 8.01(s, 1H), 7.85~7.71(m, 7H), 7.64~7.59(m, 7H), 7.49~7.36(m, 7H)。 |
114 | δ=9.12(d, 1H), 8.72(s, 1H), 8.51(d, 1H), 8.29(d, 1H), 8.03(d, 1H), 7.86(s, 1H), 7.72~7.60(m, 8H), 7.52~7.42(m, 8H), 7.33~7.29(m, 4H)。 |
115 | δ=8.55(d, 1H), 8.29(d, 1H), 8.18~8.05(m, 3H), 8.03(d, 1H), 7.79~7.55(m, 8H) 7.21~7.19(m, 5H), 6.81(m, 2H), 6.63(d, 5H), 6.33(d, 1H)。 |
117 | δ=9.19(d, 1H), 9.09(d, 1H), 8.81(s, 1H), 8.65(d, 1H), 8.36(d, 1H), 8.12(d, 1H), 7.91(s, 1H), 7.76~7.63(m, 6H), 7.58~7.40(m, 8H), 7.29~7.20(m, 4H)。 |
123 | δ=9.10(d, 1H), 8.99(d, 4H), 8.63~8.59(m, 2H), 8.32~8.29(m, 3H), 8.05(d, 1H), 7.98(s, 1H), 7.89~7.71(m, 8H), 7.61~7.54(m, 4H), 7.49~7.36(m, 4H)。 |
125 | δ=9.29(s, 1H), 9.18(d, 1H), 8.99(d, 4H), 8.63(s, 1H), 8.52(d, 1H), 8.37(d, 1H), 8.27(d, 1H), 8.05(d, 1H), 7.98(s, 1H), 7.89~7.71(m, 8H), 7.61~7.54(m, 4H), 7.49~7.36(m, 4H)。 |
126 | δ=9.29(s, 1H), 9.18(d, 1H), 8.99(d, 4H), 8.63(s, 1H), 8.52(d, 1H), 8.37(d, 1H), 8.27(d, 1H), 8.05(d, 1H), 7.98(s, 1H), 7.89~7.71(m, 8H), 7.61~7.54(m, 4H), 7.49~7.36(m, 4H)。 |
130 | δ=9.12(s, 1H), 8.98(s, 1H), 8.76(d, 4H), 8.65~8.45(m, 2H), 8.21~8.02(m, 4H), 7.85~7.73(m, 8H), 7.65~7.52(m, 4H), 7.44~7.31(m, 4H)。 |
132 | δ=9.11(s, 1H), 9.03(d, 1H), 8.76(d, 4H), 8.67(s, 1H), 8.45(d, 1H), 8.23(d, 1H), 8.11~8.02(m, 3H), 7.85~7.73(m, 8H), 7.65~7.52(m, 4H), 7.44~7.31(m, 4H)。 |
133 | δ=9.27(d, 1H) 9.09(d, 4H), 8.89(s, 1H), 8.78(d, 1H), 8.46(d, 1H), 8.37(d, 1H), 8.23(s, 1H), 8.01(d, 1H), 7.93~7.80(m, 8H), 7.69~7.54(m, 6H), 7.40~7.27(m, 8H)。 |
148 | δ=9.34(d, 1H), 9.21(d, 4H), 9.02(d, 1H), 8.74(d, 1H), 8.45(d, 1H), 8.12(d, 1H), 8.01(s, 1H), 7.86~7.71(m, 6H), 7.63~7.50(m, 6H), 7.42~7.30(m, 8H)。 |
149 | δ=9.27(s, 1H), 9.08(d, 1H), 8.84(d, 4H), 8.61(s, 1H), 8.52(d, 1H), 8.31(d, 1H), 8.15(d, 1H), 8.08(d, 1H), 7.99(s, 1H), 7.85~7.69(m, 8H), 7.59~7.50(m, 4H), 7.40~7.31(m, 4H)。 |
150 | δ=9.29(d, 1H) 9.01(d, 4H), 8.96(s, 1H), 8.84(d, 1H), 8.48(d, 1H), 8.32(d, 1H), 8.11(d, 1H), 8.02(s, 1H), 7.85~7.75(m, 6H), 7.65~7.57(m, 5H), 7.40~7.31(m, 6H)。 |
151 | δ=9.24(d, 1H), 9.01(d, 4H), 8.82(d, 1H), 8.49(d, 1H), 8.27(d, 1H), 8.05(d, 1H), 7.93(s, 1H), 7.84~7.62(m, 6H), 7.64~7.53(m, 6H), 7.43~7.30(m, 8H)。 |
154 | δ=8.96(d, 1H), 8.82(d, 4H), 8.71(d, 1H), 8.50(d, 1H), 8.29(d, 1H), 8.07(d, 1H), 7.92(s, 1H), 7.75~7.64(m, 6H), 7.59~7.50(m, 6H), 7.42~7.30(m, 6H)。 |
159 | δ=9.18(d, 1H) 8.98(d, 4H), 8.85(s, 1H), 8.62(d, 1H), 8.38(d, 1H), 8.24(d, 1H), 8.02(d, 1H), 7.98(s, 1H), 7.91~7.79(m, 7H), 7.64~7.50(m, 6H), 7.40~7.29(m, 8H)。 |
160 | δ=8.67(d, 1H), 8.45~8.23(m, 5H), 8.20~8.09(m, 6H), 7.70(s, 1H), 7.41~7.65(m, 7H) 7.20.~7.15(m, 7H), 6.63~6.60(m, 4H), 6.32(d, 1H)。 |
176 | δ=9.13(d, 1H), 9.05(d, 1H), 8.79(s, 1H), 8.56(d, 1H), 8.28(d, 1H), 8.04(d, 1H), 7.75~7.60(m, 7H), 7.55~7.40(m, 8H), 7.29~7.11(m, 8H)。 |
179 | δ=9.24(d, 1H), 9.15(d, 1H), 8.93(s, 1H), 8.77(d, 1H), 8.56(d, 1H), 8.29(d, 1H), 7.99(s, 1H), 7.82~7.69(m, 6H), 7.58~7.39(m, 8H), 7.20~7.12(m, 6H)。 |
196 | δ=9.12(d, 1H), 9.02(d, 1H), 8.75(s, 1H), 8.62(d, 1H), 8.30(d, 1H), 8.09(d, 1H), 7.90(s, 1H), 7.77~7.65(m, 6H), 7.57~7.40(m, 8H), 7.28~7.20(m, 6H)。 |
199 | δ=9.02(d, 1H), 8.90(d, 4H), 8.63~8.59(m, 5H), 8.05(d, 1H), 7.98(s, 1H), 7.89~7.71(m, 8H), 7.61~7.54(m, 4H), 7.49~7.36(m, 4H)。 |
205 | δ=8.91(s, 1H), 8.84(d, 1H), 8.66(d, 4H), 8.43(s, 1H), 8.26(d, 1H), 8.11(d, 1H), 8.01(d, 1H), 7.89(d, 1H), 7.84~7.69(m, 6H), 7.54~7.50(m, 4H), 7.37~7.30(m, 4H)。 |
210 | δ=9.05(s, 1H), 8.89(d, 1H), 8.71(d, 4H), 8.63(s, 1H), 8.40(d, 1H), 8.20(d, 1H), 8.09~8.02(m, 4H), 7.84~7.73(m, 6H), 7.59~7.52(m, 4H), 7.42~7.31(m, 4H)。 |
217 | δ=9.28(d, 1H), 9.15(s, 1H), 8.92(d, 4H), 8.78(s, 1H), 8.69(d, 1H), 8.40(d, 1H), 8.30(d, 1H), 8.14(d, 1H), 8.04(s, 1H), 7.90~7.76(m, 7H), 7.69~7.61(m, 8H), 7.53~7.35(m, 8H)。 |
223 | δ=8.56(d, 1H), 8.28~8.26(m, 4H), 8.18(d, 1H), 7.75~7.71(m, 2H), 7.65~7.60(m, 8H), 7.51~7.40(m, 9H), 7.35~7.30(m, 4H), 7.20 (d, 2H), 6.69~6.80(m, 5H) |
227 | δ=8.56(d, 1H), 8.28~8.20(m, 3H), 8.18(d, 1H), 7.72~7.70(m, 3H), 7.65~7.60(m, 7H), 7.51~7.40(m, 8H), 7.35~7.30(m, 4H), 7.20 (d, 2H), 6.69~6.80(m, 5H), 1.78(s, 6H) |
228 | δ=9.19(d, 1H) 9.02(d, 4H), 8.85(s, 1H), 8.67(d, 1H), 8.43(d, 1H), 8.32(d, 1H), 8.10(d, 1H), 7.87~7.73(m, 6H), 7.68~7.55(m, 6H), 7.43~7.29(m, 8H)。 |
232 | δ=9.19(d, 1H), 9.09(d, 1H), 8.81(s, 1H), 8.65(d, 1H), 8.36(d, 1H), 8.12(d, 1H), 7.91(s, 1H), 7.76~7.63(m, 6H), 7.58~7.40(m, 8H), 7.29~7.20(m, 6H)。 |
233 | δ=8.51(s, 1H), 8.45~8.40(m, 3H), 8.36~8.30(m, 5H), 8.12(d, 1H), 7.76~7.68(m, 6H), 7.58~7.40(m, 7H), 7.29~7.20(m, 4H)。 |
254 | δ=8.55(d, 1H), 8.50(m, 4H), 8.45~8.40(m, 3H), 8.36~8.30(m, 2H), 8.02(d, 1H), 7.76~7.68(m, 6H), 7.58~7.40(m, 7H), 7.29~7.20(m, 4H). |
255 | δ=8.56(d, 1H), 8.28~8.26(m, 4H), 8.08(d, 1H), 7.75~7.71(m, 2H), 7.65~7.60(m, 6H), 7.51~7.40(m, 8H), 7.35~7.30(m, 2H), 7.20 (d, 2H), 6.69~6.80(m, 2H) |
256 | δ=8.55(d, 1H), 8.30~8.26(m, 4H), 8.15(d, 1H), 7.75~7.71(m, 2H), 7.65~7.60(m, 8H), 7.51~7.40(m, 6H), 7.35~7.30(m, 4H), 6.69~6.80(m, 4H), 1.80(s, 6H) |
268 | δ=8.56(d, 1H), 8.28~8.26(m, 4H), 8.15~8.00(m, 3H), 7.75~7.71(m, 2H), 7.65~7.59(m, 7H), 7.51~7.40(m, 8H), 7.35~7.30(m, 2H), 7.20 (d, 2H), 6.69~6.80(m, 2H) |
291 | δ=8.54(d, 1H), 8.30(m, 2H), 8.15~8.08(m, 3H), 7.94(d, 1H), 7.75~7.71(m, 2H), 7.65~7.59(m, 7H), 7.51~7.40(m, 8H), 7.35~7.30(m, 2H), 7.20 (d, 4H), |
化合物 | FD-質量 | 化合物 | FD-質量 |
1 | m/z=616.7240 (C43H28N4O, 616.2263) | 2 | m/z=768.9200 (C55H36N4O, 768.2889) |
3 | m/z=614.7080 (C43H26N4O, 614.2107) | 4 | m/z=690.8060 (C49H30N4O, 690.2420) |
5 | m/z=766.9040 (C55H34N4O, 766.2733) | 6 | m/z=664.7680 (C47H28N4O, 664.2263) |
7 | m/z=690.8060 (C49H30N4O, 690.2420) | 8 | m/z=740.8660 (C53H32N4O, 740.2576) |
9 | m/z=714.8280 (C51H30N4O, 714.2420) | 10 | m/z=740.8660 (C53H32N4O, 740.2576) |
11 | m/z=664.7680 (C47H28N4O, 664.2263) | 12 | m/z=740.8660 (C53H32N4O, 740.2576) |
13 | m/z=740.8660 (C53H32N4O, 740.2576) | 14 | m/z=738.8500 (C53H30N4O, 738.2420) |
15 | m/z=704.7890 (C49H28N4O2, 704.2212) | 16 | m/z=720.8500 (C49H28N4OS, 720.1984) |
17 | m/z=704.7890 (C49H28N4O2, 704.2212) | 18 | m/z=720.8500 (C49H28N4OS, 720.1984) |
19 | m/z=616.7240 (C43H28N4O, 616.2263) | 20 | m/z=768.9200 (C55H36N4O, 768.2889) |
21 | m/z=614.7080 (C43H26N4O, 614.2107) | 22 | m/z=690.8060 (C49H30N4O, 690.2420) |
23 | m/z=664.7680 (C47H28N4O, 664.2263) | 24 | m/z=664.7680 (C47H28N4O, 664.2263) |
25 | m/z=690.8060 (C49H30N4O, 690.2420) | 26 | m/z=664.7680 (C47H28N4O, 664.2263) |
27 | m/z=704.7890 (C49H28N4O2, 704.2212) | 28 | m/z=720.8500 (C49H28N4OS, 720.1984) |
29 | m/z=704.7890 (C49H28N4O2, 704.2212) | 30 | m/z=720.8500 (C49H28N4OS, 720.1984) |
31 | m/z=616.7240 (C43H28N4O, 616.2263) | 32 | m/z=768.9200 (C55H36N4O, 768.2889) |
33 | m/z=614.7080 (C43H26N4O, 614.2107) | 34 | m/z=690.8060 (C49H30N4O, 690.2420) |
35 | m/z=664.7680 (C47H28N4O, 664.2263) | 36 | m/z=664.7680 (C47H28N4O, 664.2263) |
37 | m/z=690.8060 (C49H30N4O, 690.2420) | 38 | m/z=664.7680 (C47H28N4O, 664.2263) |
39 | m/z=704.7890 (C49H28N4O2, 704.2212) | 40 | m/z=720.8500 (C49H28N4OS, 720.1984) |
41 | m/z=704.7890 (C49H28N4O2, 704.2212) | 42 | m/z=720.8500 (C49H28N4OS, 720.1984) |
43 | m/z=730.8710 (C52H34N4O, 730.2733) | 44 | m/z=704.7890 (C49H28N4O2, 704.2212) |
45 | m/z=720.8500 (C49H28N4OS, 720.1984) | 46 | m/z=720.8500 (C49H28N4OS, 720.1984) |
47 | m/z=730.8710 (C52H34N4O, 730.2733) | 48 | m/z=704.7890 (C49H28N4O2, 704.2212) |
49 | m/z=720.8500 (C49H28N4OS, 720.1984) | 50 | m/z=720.8500 (C49H28N4OS, 720.1984) |
51 | m/z=730.8710 (C52H34N4O, 730.2733) | 52 | m/z=704.7890 (C49H28N4O2, 704.2212) |
53 | m/z=720.8500 (C49H28N4OS, 720.1984) | 54 | m/z=720.8500 (C49H28N4OS, 720.1984) |
55 | m/z=690.8060 (C49H30N4O, 690.2420) | 56 | m/z=690.8060 (C49H30N4O, 690.2420) |
57 | m/z=690.8060 (C49H30N4O, 690.2420) | 58 | m/z=690.8060 (C49H30N4O, 690.2420) |
59 | m/z=740.8660 (C53H32N4O, 740.2576) | 60 | m/z=714.8280 (C51H30N4O, 714.2420) |
61 | m/z=719.8620 (C50H29N3OS, 719.2031) | 62 | m/z=719.8620 (C50H29N3OS, 719.2031) |
63 | m/z=663.7800 (C48H29N3O, 663.2311) | 64 | m/z=663.7800 (C48H29N3O, 663.2311) |
65 | m/z=703.8010 (C50H29N3O2, 703.2260) | 66 | m/z=703.8010 (C50H29N3O2, 703.2260) |
67 | m/z=693.8240 (C48H27N3OS, 693.1875) | 68 | m/z=693.8240 (C48H27N3OS, 693.1875) |
69 | m/z=719.8620 (C50H29N3OS, 719.2031) | 70 | m/z=663.7800 (C48H29N3O, 663.2311) |
71 | m/z=589.6980 (C42H27N3O, 589.2154) | 72 | m/z=663.7800 (C48H29N3O, 663.2311) |
73 | m/z=616.7240 (C43H28N4O, 616.2263) | 74 | m/z=768.9200 (C55H36N4O, 768.2889) |
75 | m/z=614.7080 (C43H26N4O, 614.2107) | 76 | m/z=690.8060 (C49H30N4O, 690.2420) |
77 | m/z=664.7680 (C47H28N4O, 664.2263) | 78 | m/z=664.7680 (C47H28N4O, 664.2263) |
79 | m/z=690.8060 (C49H30N4O, 690.2420) | 80 | m/z=664.7680 (C47H28N4O, 664.2263) |
81 | m/z=704.7890 (C49H28N4O2, 704.2212) | 82 | m/z=720.8500 (C49H28N4OS, 720.1984) |
83 | m/z=704.7890 (C49H28N4O2, 704.2212) | 84 | m/z=720.8500 (C49H28N4OS, 720.1984) |
85 | m/z=664.7680 (C47H28N4O, 664.2263) | 86 | m/z=692.8220 (C49H32N4O, 692.2576) |
87 | m/z=692.8220 (C49H32N4O, 692.2576) | 88 | m/z=692.8220 (C49H32N4O, 692.2576) |
89 | m/z=628.7350 (C44H28N4O, 628.2263) | 90 | m/z=626.7190 (C44H26N4O, 626.2107) |
91 | m/z=645.7800 (C44H27N3OS, 645.1875) | 92 | m/z=695.8400 (C48H29N3OS, 695.2031) |
93 | m/z=589.6980 (C42H27N3O, 589.2154) | 94 | m/z=639.7580 (C46H29N3O, 639.2311) |
95 | m/z=629.7190 (C44H27N3O2, 629.2103) | 96 | m/z=679.7790 (C48H29N3O2, 679.2260) |
97 | m/z=616.7240 (C43H28N4O, 616.2263) | 98 | m/z=666.7840 (C47H30N4O, 666.2420) |
99 | m/z=614.7080 (C43H26N4O, 614.2107) | 100 | m/z=690.8060 (C49H30N4O, 690.2420) |
101 | m/z=740.8660 (C53H32N4O, 740.2576) | 102 | m/z=664.7680 (C47H28N4O, 664.2263) |
103 | m/z=690.8060 (C49H30N4O, 690.2420) | 104 | m/z=664.7680 (C47H28N4O, 664.2263) |
105 | m/z=704.7890 (C49H28N4O2, 704.2212) | 106 | m/z=720.8500 (C49H28N4OS, 720.1984) |
107 | m/z=704.7890 (C49H28N4O2, 704.2212) | 108 | m/z=720.8500 (C49H28N4OS, 720.1984) |
109 | m/z=692.8220 (C49H32N4O, 692.2576) | 110 | m/z=692.8220 (C49H32N4O, 692.2576) |
111 | m/z=692.8220 (C49H32N4O, 692.2576) | 112 | m/z=692.8220 (C49H32N4O, 692.2576) |
113 | m/z=628.7350 (C44H28N4O, 628.2263) | 114 | m/z=626.7190 (C44H26N4O, 626.2107) |
115 | m/z=645.7800 (C44H27N3OS, 645.1875) | 116 | m/z=695.8400 (C48H29N3OS, 695.2031) |
117 | m/z=589.6980 (C42H27N3O, 589.2154) | 118 | m/z=639.7580 (C46H29N3O, 639.2311) |
119 | m/z=629.7190 (C44H27N3O2, 629.2103) | 120 | m/z=679.7790 (C48H29N3O2, 679.2260) |
121 | m/z=616.7240 (C43H28N4O, 616.2263) | 122 | m/z=666.7840 (C47H30N4O, 666.2420) |
123 | m/z=664.7680 (C47H28N4O, 664.2263) | 124 | m/z=690.8060 (C49H30N4O, 690.2420) |
125 | m/z=664.7680 (C47H28N4O, 664.2263) | 126 | m/z=664.7680 (C47H28N4O, 664.2263) |
127 | m/z=690.8060 (C49H30N4O, 690.2420) | 128 | m/z=664.7680 (C47H28N4O, 664.2263) |
129 | m/z=704.7890 (C49H28N4O2, 704.2212) | 130 | m/z=720.8500 (C49H28N4OS, 720.1984) |
131 | m/z=704.7890 (C49H28N4O2, 704.2212) | 132 | m/z=720.8500 (C49H28N4OS, 720.1984) |
133 | m/z=692.8220 (C49H32N4O, 692.2576) | 134 | m/z=692.8220 (C49H32N4O, 692.2576) |
135 | m/z=692.8220 (C49H32N4O, 692.2576) | 136 | m/z=692.8220 (C49H32N4O, 692.2576) |
137 | m/z=628.7350 (C44H28N4O, 628.2263) | 138 | m/z=626.7190 (C44H26N4O, 626.2107) |
139 | m/z=645.7800 (C44H27N3OS, 645.1875) | 140 | m/z=695.8400 (C48H29N3OS, 695.2031) |
141 | m/z=589.6980 (C42H27N3O, 589.2154) | 142 | m/z=639.7580 (C46H29N3O, 639.2311) |
143 | m/z=629.7190 (C44H27N3O2, 629.2103) | 144 | m/z=679.7790 (C48H29N3O2, 679.2260) |
145 | m/z=616.7240 (C43H28N4O, 616.2263) | 146 | m/z=666.7840 (C47H30N4O, 666.2420) |
147 | m/z=614.7080 (C43H26N4O, 614.2107) | 148 | m/z=690.8060 (C49H30N4O, 690.2420) |
149 | m/z=664.7680 (C47H28N4O, 664.2263) | 150 | m/z=664.7680 (C47H28N4O, 664.2263) |
151 | m/z=690.8060 (C49H30N4O, 690.2420) | 152 | m/z=664.7680 (C47H28N4O, 664.2263) |
153 | m/z=704.7890 (C49H28N4O2, 704.2212) | 154 | m/z=720.8500 (C49H28N4OS, 720.1984) |
155 | m/z=704.7890 (C49H28N4O2, 704.2212) | 156 | m/z=720.8500 (C49H28N4OS, 720.1984) |
157 | m/z=692.8220 (C49H32N4O, 692.2576) | 158 | m/z=692.8220 (C49H32N4O, 692.2576) |
159 | m/z=692.8220 (C49H32N4O, 692.2576) | 160 | m/z=692.8220 (C49H32N4O, 692.2576) |
161 | m/z=628.7350 (C44H28N4O, 628.2263) | 162 | m/z=626.7190 (C44H26N4O, 626.2107) |
163 | m/z=645.7800 (C44H27N3OS, 645.1875) | 164 | m/z=695.8400 (C48H29N3OS, 695.2031) |
165 | m/z=589.6980 (C42H27N3O, 589.2154) | 166 | m/z=639.7580 (C46H29N3O, 639.2311) |
167 | m/z=629.7190 (C44H27N3O2, 629.2103) | 168 | m/z=679.7790 (C48H29N3O2, 679.2260) |
169 | m/z=645.7800 (C44H27N3OS, 645.1875) | 170 | m/z=695.8400 (C48H29N3OS, 695.2031) |
171 | m/z=589.6980 (C42H27N3O, 589.2154) | 172 | m/z=639.7580 (C46H29N3O, 639.2311) |
173 | m/z=629.7190 (C44H27N3O2, 629.2103) | 174 | m/z=679.7790 (C48H29N3O2, 679.2260) |
175 | m/z=645.7800 (C44H27N3OS, 645.1875) | 176 | m/z=695.8400 (C48H29N3OS, 695.2031) |
177 | m/z=589.6980 (C42H27N3O, 589.2154) | 178 | m/z=639.7580 (C46H29N3O, 639.2311) |
179 | m/z=629.7190 (C44H27N3O2, 629.2103) | 180 | m/z=679.7790 (C48H29N3O2, 679.2260) |
181 | m/z=645.7800 (C44H27N3OS, 645.1875) | 182 | m/z=695.8400 (C48H29N3OS, 695.2031) |
183 | m/z=589.6980 (C42H27N3O, 589.2154) | 184 | m/z=639.7580 (C46H29N3O, 639.2311) |
185 | m/z=629.7190 (C44H27N3O2, 629.2103) | 186 | m/z=679.7790 (C48H29N3O2, 679.2260) |
187 | m/z=645.7800 (C44H27N3OS, 645.1875) | 188 | m/z=695.8400 (C48H29N3OS, 695.2031) |
189 | m/z=589.6980 (C42H27N3O, 589.2154) | 190 | m/z=639.7580 (C46H29N3O, 639.2311) |
191 | m/z=629.7190 (C44H27N3O2, 629.2103) | 192 | m/z=679.7790 (C48H29N3O2, 679.2260) |
193 | m/z=643.7640 (C44H25N3OS, 643.1718) | 194 | m/z=693.8240 (C48H27N3OS, 693.1875) |
195 | m/z=587.6820 (C42H25N3O, 587.1998) | 196 | m/z=637.7420 (C46H27N3O, 637.2154) |
197 | m/z=627.7030 (C44H25N3O2, 627.1947) | 198 | m/z=677.7630 (C48H27N3O2, 677.2103) |
199 | m/z=664.7680 (C47H28N4O, 664.2263) | 200 | m/z=693.8240 (C48H27N3OS, 693.1875) |
201 | m/z=587.6820 (C42H25N3O, 587.1998) | 202 | m/z=637.7420 (C46H27N3O, 637.2154) |
203 | m/z=627.7030 (C44H25N3O2, 627.1947) | 204 | m/z=677.7630 (C48H27N3O2, 677.2103) |
205 | m/z=643.7640 (C44H25N3OS, 643.1718) | 206 | m/z=693.8240 (C48H27N3OS, 693.1875) |
207 | m/z=587.6820 (C42H25N3O, 587.1998) | 208 | m/z=637.7420 (C46H27N3O, 637.2154) |
209 | m/z=627.7030 (C44H25N3O2, 627.1947) | 210 | m/z=677.7630 (C48H27N3O2, 677.2103) |
211 | m/z=643.7640 (C44H25N3OS, 643.1718) | 212 | m/z=693.8240 (C48H27N3OS, 693.1875) |
213 | m/z=587.6820 (C42H25N3O, 587.1998) | 214 | m/z=637.7420 (C46H27N3O, 637.2154) |
215 | m/z=627.7030 (C44H25N3O2, 627.1947) | 216 | m/z=677.7630 (C48H27N3O2, 677.2103) |
217 | m/z=829.9630 (C59H35N5O, 829.2842) | 218 | m/z=809.9870 (C57H35N3OS, 809.2501) |
219 | m/z=752.8770 (C54H32N4O, 752.2576) | 220 | m/z=802.9370 (C58H34N4O, 802.2733) |
221 | m/z=733.8450 (C50H27N3O2S, 733.1824) | 222 | m/z=767.8440 (C54H29N3O3, 767.2209) |
223 | m/z=768.9200 (C55H36N4O, 768.2889) | 224 | m/z=742.8820 (C53H34N4O, 742.2733) |
225 | m/z=742.8820 (C53H34N4O, 742.2733) | 226 | m/z=764.8880 (C55H32N4O, 764.2576) |
227 | m/z=808.9850 (C58H40N4O, 808.3202) | 228 | m/z=714.8280 (C51H30N4O, 714.2420) |
229 | m/z=693.8240 (C48H27N3OS, 693.1875) | 230 | m/z=743.8840 (C52H29N3OS, 743.2031) |
231 | m/z=637.7420 (C46H27N3O, 637.2154) | 232 | m/z=687.8020 (C50H29N3O, 687.2311) |
233 | m/z=677.7630 (C48H27N3O2, 677.2103) | 234 | m/z=727.8230 (C52H29N3O2, 727.2260) |
235 | m/z=693.8240 (C48H27N3OS, 693.1875) | 236 | m/z=743.8840 (C52H29N3OS, 743.2031) |
237 | m/z=637.7420 (C46H27N3O, 637.2154) | 238 | m/z=687.8020 (C50H29N3O, 687.2311) |
239 | m/z=677.7630 (C48H27N3O2, 677.2103) | 240 | m/z=727.8230 (C52H29N3O2, 727.2260) |
241 | m/z=692.8220 (C49H32N4O, 692.2576) | 242 | m/z=742.8820 (C53H34N4O, 742.2733) |
243 | m/z=690.8060 (C49H30N4O, 690.2420) | 244 | m/z=730.8710 (C52H34N4O, 730.2733) |
245 | m/z=754.8490 (C53H30N4O2, 754.2369) | 246 | m/z=770.9100 (C53H30N4OS, 770.2140) |
247 | m/z=740.8660 (C53H32N4O, 740.2576) | 248 | m/z=738.8500 (C53H30N4O, 738.2420) |
249 | m/z=720.8500 (C49H28N4OS, 720.1984) | 250 | m/z=690.8060 (C49H30N4O, 690.2420) |
251 | m/z=690.8060 (C49H30N4O, 690.2420) | 252 | m/z=664.7680 (C47H28N4O, 664.2263) |
253 | m/z=808.9850 (C58H40N4O, 808.3202) | 254 | m/z=664.7680 (C47H28N4O, 664.2263) |
255 | m/z=692.8220 (C49H32N4O, 692.2576) | 256 | m/z=732.8870 (C52H36N4O, 732.2889) |
257 | m/z=808.9850 (C58H40N4O, 808.3202) | 258 | m/z=614.7080 (C43H26N4O, 614.2107) |
259 | m/z=765.9160 (C56H35N3O, 765.2780) | 260 | m/z=614.7080 (C43H26N4O, 614.2107) |
261 | m/z=690.8060 (C49H30N4O, 690.2420) | 262 | m/z=664.7680 (C47H28N4O, 664.2263) |
263 | m/z=714.8280 (C51H30N4O, 714.2420) | 264 | m/z=714.8280 (C51H30N4O, 714.2420) |
265 | m/z=664.7680 (C47H28N4O, 664.2263) | 266 | m/z=690.8060 (C49H30N4O, 690.2420) |
267 | m/z=690.8060 (C49H30N4O, 690.2420) | 268 | m/z=779.9030 (C55H35N5O, 779.2685) |
269 | m/z=779.9030 (C55H35N5O, 779.2685) | 270 | m/z=779.9030 (C55H35N5O, 779.2685) |
271 | m/z=720.8500 (C49H28N4OS, 720.1984) | 272 | m/z=720.8500 (C49H28N4OS, 720.1984) |
273 | m/z=720.8500 (C49H28N4OS, 720.1984) | 274 | m/z=704.7890 (C49H28N4O2, 704.2212) |
275 | m/z=704.7890 (C49H28N4O2, 704.2212) | 276 | m/z=704.7890 (C49H28N4O2, 704.2212) |
277 | m/z=770.9100 (C53H30N4OS, 770.2140) | 278 | m/z=770.9100 (C53H30N4OS, 770.2140) |
279 | m/z=770.9100 (C53H30N4OS, 770.2140) | 280 | m/z=754.8490 (C53H30N4O2, 754.2369) |
281 | m/z=754.8490 (C53H30N4O2, 754.2369) | 282 | m/z=754.8490 (C53H30N4O2, 754.2369) |
283 | m/z=829.9630 (C59H35N5O, 829.2842) | 284 | m/z=829.9630 (C59H35N5O, 829.2842) |
285 | m/z=829.9630 (C59H35N5O, 829.2842) | 286 | m/z=780.9310 (C56H36N4O, 730.2889) |
287 | m/z=780.9310 (C56H36N4O, 730.2889) | 288 | m/z=780.9310 (C56H36N4O, 730.2889) |
289 | m/z=798.9640 (C55H34N4OS, 798.2458) | 290 | m/z=782.9030 (C55H34N4O2, 782.2682) |
291 | m/z=690.8060 (C49H30N4O, 690.2420) | 292 | m/z=782.9030 (C55H34N4O2, 782.2682) |
293 | m/z=845.0180 (C61H40N4O, 844.3202) | 294 | m/z=740.8660 (C53H32N4O, 740.2576) |
295 | m/z=782.9030 (C55H34N4O2, 782.2682) | 296 | m/z=690.8060 (C49H30N4O, 690.2420) |
297 | m/z=798.9640 (C55H34N4OS, 798.2458) | 298 | m/z=740.8660 (C53H32N4O, 740.2576) |
299 | m/z=798.9640 (C55H34N4OS, 798.2458) | 300 | m/z=740.8660 (C53H32N4O, 740.2576) |
藉由蒸餾水超音波清潔玻璃基底,氧化銦錫(ITO,indium tin oxide)作為薄膜以1,500埃的厚度塗佈於所述玻璃基底上。用蒸餾水清洗結束之後,用諸如丙酮、甲醇以及異丙醇的溶劑超音波清潔基底,接著乾燥,且在紫外線(ultraviolet;UV)清潔器中使用UV進行紫外線臭氧(ultraviolet ozone;UVO)處理5分鐘。此後,將基底轉移至電漿清潔器(plasma cleaner;PT),且在真空下進行電漿處理以用於ITO功函數及殘餘薄膜移除之後,將基底轉移至熱沈積設備以用於有機沈積。
在透明ITO電極(陽極)上,形成作為常用層的電洞注入層2-TNATA(4,4',4"-三[2-萘基(苯基)胺基]三苯胺(4,4',4''-Tris[2-naphthyl(phenyl)amino] triphenylamine))及電洞傳輸層NPB(N,N'-二(1-萘基)-N,N'-二苯基-(1,1'-聯苯基)-4,4'-二胺(N,N'-diphenyl-(1,1'-biphenyl)-4,4'-diamine))。
如下向其上熱真空沈積發光層。使用下表7中所描述的化合物作為紅色主體,且向主體摻雜3%雙(1-苯基異喹啉)(乙醯基丙酮酸鹽)銥(III)(Bis(1-phenylisoquinoline)(acetylacetonate)iridium(III))((piq)2
(Ir)(acac))作為紅色磷光摻雜劑來將發光層沈積至500埃(Å)。此後,將2,9-二甲基-4,7-二苯基-1,10-啡啉(2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline,BCP)沈積至60埃作為電洞阻擋層,且於其上沈積200埃的Alq3
作為電子傳輸層。最後,藉由沈積10埃厚度的氟化鋰(lithium fluoride,LiF)於電子傳輸層上形成電子注入層,且接著藉由沈積1,200埃厚度的鋁(Al)陰極於電子注入層上形成陰極,且因此,製造有機電致發光元件。
同時,在10-8
托(torr)至10-6
托下針對OLED製造中使用的每種材料真空昇華純化所有製造OLED所需的有機化合物。
對於如上製造的有機電致發光元件中的每一者,使用由麥克科學公司McScience Inc.)製造的M7000來量測電致發光(electroluminescent;EL)特性,且藉由所述量測結果,當標準亮度為6,000坎德拉/平方公尺(cd/m2
)時,經由由麥克科學公司製造的使用壽命量測系統(M6000)來量測T90
。本揭露的有機電致發光元件的特性如下表7中所示。
[表7]
化合物 | 驅動電壓(伏(V)) | 效率(坎德拉/安(cd/A)) | 色彩座標 (x, y) | 使用壽命(T90 ) | |
比較實例1-1 | 比較化合物A | 5.35 | 14.5 | 0.673, 0.328 | 60 |
比較實例1-2 | 比較化合物B | 5.74 | 13.19 | 0.677, 0.324 | 45 |
比較實例1-3 | 比較化合物C | 5.50 | 13.7 | 0.680, 0.319 | 57 |
比較實例1-4 | 比較化合物D | 5.70 | 14.5 | 0.677, 0.322 | 55 |
實例1-1 | 化合物2 | 3.99 | 22.0 | 0.679, 0.321 | 88 |
實例1-2 | 化合物4 | 4.19 | 18.9 | 0.685, 0.316 | 113 |
實例1-3 | 化合物8 | 4.10 | 22.8 | 0.688, 0.311 | 108 |
實例1-4 | 化合物11 | 4.21 | 21.2 | 0.685, 0.314 | 103 |
實例1-5 | 化合物23 | 4.10 | 24.9 | 0.678, 0.320 | 122 |
實例1-6 | 化合物49 | 4.10 | 22.7 | 0.679, 0.321 | 105 |
實例1-7 | 化合物57 | 4.26 | 18.9 | 0.685, 0.315 | 107 |
實例1-8 | 化合物59 | 4.19 | 21.0 | 0.681, 0.318 | 109 |
實例1-9 | 化合物82 | 4.20 | 18.5 | 0.692, 0.307 | 102 |
實例1-10 | 化合物100 | 4.21 | 20.1 | 0.689, 0.311 | 111 |
實例1-11 | 化合物115 | 3.99 | 25.0 | 0.681, 0.317 | 87 |
實例1-12 | 化合物123 | 4.11 | 25.0 | 0.679, 0.322 | 120 |
實例1-13 | 化合物125 | 4.09 | 24.8 | 0.679, 0.321 | 119 |
實例1-14 | 化合物126 | 4.11 | 19.9 | 0.679, 0.320 | 99 |
實例1-15 | 化合物130 | 4.16 | 20.5 | 0.684, 0.316 | 100 |
實例1-16 | 化合物199 | 4.13 | 23.9 | 0.679, 0.322 | 122 |
實例1-17 | 化合物217 | 4.18 | 19.5 | 0.685, 0.314 | 98 |
實例1-18 | 化合物223 | 4.13 | 20.2 | 0.680, 0.319 | 96 |
實例1-19 | 化合物227 | 4.02 | 24.9 | 0.679, 0.321 | 89 |
實例1-20 | 化合物254 | 4.08 | 24.5 | 0.678, 0.326 | 121 |
實例1-21 | 化合物256 | 4.01 | 19.2 | 0.681, 0.320 | 92 |
實例1-22 | 化合物268 | 4.13 | 19.8 | 0.687, 0.313 | 99 |
如自表7所見,鑑定出當在有機發光元件的發光層中使用對應於化學式1的化合物時,相較於不使用所述化合物的情況,使用壽命、效率以及驅動電壓的特性方面獲得極佳效應。向二苯并呋喃連接子中引入增加π-共軛(π-conjugation)的萘并苯并呋喃能夠適合用作紅色主體,且有助於更佳的使用壽命、效率且增強驅動電壓。
<實驗實例2>有機發光元件的製造(紅色N+N混合主體(Red N+N mixed host))
藉由蒸餾水超音波清潔玻璃基底,ITO作為薄膜以1,500埃的厚度塗佈於所述玻璃基底上。用蒸餾水清潔結束之後,用諸如丙酮、甲醇以及異丙醇的溶劑超音波清潔基底,接著乾燥,且在UV清潔器中使用UV進行UVO處理5分鐘。此後,將基底轉移至電漿清潔器(PT),且在真空下進行電漿處理以用於ITO功函數及殘餘薄膜移除之後,將基底轉移至熱沈積設備以用於有機沈積。
在透明ITO電極(陽極)上,形成作為常用層的電洞注入層2-TNATA(4,4',4"-三[2-萘基(苯基)胺基]三苯胺(4,4',4''-Tris[2-naphthyl(phenyl)amino] triphenylamine))及電洞傳輸層NPB(N,N'-二(1-萘基)-N,N'-二苯基-(1,1'-聯苯基)-4,4'-二胺(N,N'-diphenyl-(1,1'-biphenyl)-4,4'-diamine))。
如下向其上熱真空沈積發光層。作為發光層,將下表8中所描述的兩種類型的化合物預混合且以一個供應源沈積至400埃作為紅色主體,且摻雜並沈積3% (piq)2(Ir)(acac)作為紅色磷光摻雜劑。此後,將BCP沈積至60埃作為電洞阻擋層,且於其上沈積200埃的Alq3
作為電子傳輸層。最後,藉由沈積10埃厚度的氟化鋰(lithium fluoride,LiF)於電子傳輸層上形成電子注入層,且接著藉由沈積1,200埃厚度的鋁(Al)陰極於電子注入層上形成陰極,且因此,製造有機電致發光元件。
同時,在10-8
托至10-6
托下針對OLED製造中使用的每種材料真空昇華純化所有製造OLED所需的有機化合物。
對於如上製造的有機電致發光元件中的每一者,使用由麥克科學公司製造的M7000來量測電致發光(EL)特性,且藉由所述量測結果,當標準亮度為6,000坎德拉/平方公尺時,經由由麥克科學公司製造的使用壽命量測系統(M6000)來量測T90
。本揭露的有機電致發光元件的特性如下表8中所示。
[表8]
<實驗實例3>有機發光元件的製造(紅色N+P混合主體(Red N+N mixed host))
發光層化合物 | 比(N:N) | 驅動電壓(伏) | 效率(坎德拉/安) | 色彩座標(x, y) | 使用壽命(T90 ) | |
實例2-1 | 化合物23:2 | 1:1 | 4.17 | 24.9 | 0.679, 0.321 | 381 |
實例2-2 | 化合物123:115 | 1:1 | 4.18 | 25.6 | 0.681, 0.319 | 373 |
實例2-3 | 化合物125:133 | 1:1 | 4.25 | 24.9 | 0.681, 0.319 | 369 |
實例2-4 | 化合物199:223 | 1:1 | 4.26 | 24.0 | 0.680, 0.320 | 371 |
實例2-5 | 化合物254:227 | 1:1 | 4.20 | 26.5 | 0.681, 0.319 | 408 |
實例2-6 | 化合物268:255 | 1:1 | 4.26 | 26.1 | 0.680, 0.320 | 405 |
實例2-7 | 化合物291:256 | 1:1 | 4.28 | 24.2 | 0.679, 0.321 | 377 |
藉由蒸餾水超音波清潔玻璃基底,ITO作為薄膜以1,500埃的厚度塗佈於所述玻璃基底上。用蒸餾水清潔結束之後,用諸如丙酮、甲醇以及異丙醇的溶劑超音波清潔基底,接著乾燥,且在UV清潔器中使用UV進行UVO處理5分鐘。此後,將基底轉移至電漿清潔器(PT),且在真空下進行電漿處理以用於ITO功函數及殘餘薄膜移除之後,將基底轉移至熱沈積設備以用於有機沈積。
在透明ITO電極(陽極)上,形成作為常用層的電洞注入層2-TNATA(4,4',4"-三[2-萘基(苯基)胺基]三苯胺(4,4',4''-Tris[2-naphthyl(phenyl)amino] triphenylamine))及電洞傳輸層NPB(N,N'-二(1-萘基)-N,N'-二苯基-(1,1'-聯苯基)-4,4'-二胺(N,N'-diphenyl-(1,1'-biphenyl)-4,4'-diamine))。
如下向其上熱真空沈積發光層。作為發光層,將下表9中所描述的兩種類型的化合物預混合且以一個供應源沈積至400埃作為紅色主體,且摻雜並沈積3% (piq)2(Ir)(acac)作為紅色磷光摻雜劑。此後,將BCP沈積至60埃作為電洞阻擋層,且於其上沈積200埃Alq3
作為電子傳輸層。最後,藉由沈積10埃厚度的氟化鋰(lithium fluoride,LiF)於電子傳輸層上形成電子注入層,且接著藉由沈積1,200埃厚度的鋁(Al)陰極於電子注入層上形成陰極,且因此,製造有機電致發光元件。
同時,在10-8
托至10-6
托下針對OLED製造中使用的每種材料真空昇華純化所有製造OLED所需的有機化合物。
對於如上製造的有機電致發光元件中的每一者,使用由麥克科學公司製造的M7000來量測電致發光(EL)特性,且藉由所述量測結果,當標準亮度為6,000坎德拉/平方公尺時,經由由麥克科學公司製造的使用壽命量測系統(M6000)來量測T90
。本揭露的有機電致發光元件的特性如下表9中所示。
[表9]
發光層化合物 | 比率(N:P) | 驅動電壓(伏) | 效率(坎德拉/安) | 色彩座標(x, y) | 使用壽命(T90 ) | |
實例3-1 | 化合物2:P主體(P-Host)A | 3:1 | 4.05 | 28.5 | 0.673, 0.327 | 411 |
實例3-2 | 化合物2:P主體A | 2:1 | 4.11 | 26.0 | 0.677, 0.323 | 399 |
實例3-3 | 化合物2:P主體A | 1:1 | 4.23 | 24.6 | 0.674, 0.325 | 375 |
實例3-4 | 化合物2:P主體A | 1:2 | 4.35 | 22.7 | 0.679, 0.321 | 354 |
實例3-5 | 化合物2:P主體A | 1:3 | 4.70 | 20.4 | 0.677, 0.323 | 341 |
實例3-6 | 化合物223:P主體B | 3:1 | 4.12 | 28.9 | 0.674, 0.326 | 422 |
實例3-7 | 化合物223:P主體B | 2:1 | 4.20 | 25.8 | 0.685, 0.315 | 415 |
實例3-8 | 化合物223:P主體B | 1:1 | 4.31 | 23.2 | 0.681, 0.319 | 379 |
實例3-9 | 化合物223:P主體B | 1:2 | 4.43 | 22.6 | 0.680, 0.319 | 350 |
實例3-10 | 化合物223:P主體B | 1:3 | 4.68 | 20.2 | 0.682, 0.317 | 339 |
實例3-11 | 化合物115:P主體C | 3:1 | 4.09 | 26.1 | 0.682, 0.318 | 407 |
實例3-12 | 化合物227:P主體D | 3:1 | 4.13 | 27.8 | 0.682, 0.318 | 412 |
實例3-13 | 化合物256:P主體E | 3:1 | 4.15 | 26.1 | 0.684, 0.316 | 388 |
實例3-14 | 化合物103:P主體C | 3:1 | 4.28 | 29.3 | 0.681, 0.319 | 380 |
實例3-15 | 化合物133:P主體D | 3:1 | 4.29 | 25.2 | 0.680, 0.320 | 401 |
實例3-16 | 化合物255:P主體E | 3:1 | 4.24 | 27.6 | 0.679, 0.321 | 411 |
如自表8及表9所見,當在有機發光元件的有機材料層中同時包含N+N化合物或N+P化合物時,獲得更優異的效率及使用壽命的效應。此類結果可產生預測:當同時包含所述兩種化合物時,會出現激發複合物(exciplex)現象。特定言之,N+P化合物的激發複合物(exciplex)現象為由於兩個分子之間的電子交換而釋放具有供體(donor)(p主體(p-host))HOMO能級大小及受體(acceptor)(n主體(n-host))LUMO能級(level)大小的能量的現象。當使用具有良好電洞傳輸能力的供體(donor)(p主體(p-host))及具有良好電子傳輸能力的受體(acceptor)(n主體(n-host))作為發光層的主體時,電洞經注入至p主體(p-host)且電子經注入至n主體(n-host),且因此驅動電壓可減小,因而有助於延長使用壽命。
100:基底
200:陽極
300:有機材料層
301:電洞注入層
302:電洞傳輸層
303:發光層
304:電洞阻擋層
305:電子傳輸層
306:電子注入層
400:陰極
圖1至圖3為各自示出根據本說明書的一個實施例的有機發光元件的層壓結構的圖式。
100:基底
200:陽極
300:有機材料層
400:陰極
Claims (13)
- 一種雜環化合物,由以下化學式1表示: [化學式1] 其中,在化學式1中, L1及L2各自獨立地為直接鍵;經取代或未經取代的C6至C60伸芳基;或經取代或未經取代的二價C2至C60雜環基; Ar1為包含N的經取代或未經取代的C2至C60雜環基; Ar2為-N(R106)(R107);或經取代或未經取代的C2至C60雜環基; R1及R2各自獨立地為氫;氘;鹵基;經取代或未經取代的C1至C60烷基;經取代或未經取代的C3至C60環烷基;經取代或未經取代的C6至C60芳基;或經取代或未經取代的C2至C60雜環基; R106及R107各自獨立地為氫;氘;鹵基;烷基;烯基;烷氧基;環烷基;芳基;或雜環基; r1及r2各自為1至4的整數;以及 當r1至r2各自為2或大於2時,括弧中的取代基彼此相同或不同。
- 如請求項1所述的雜環化合物,其中Ar1由以下結構式中選出: 在所述結構式中, X為O;S;或NR; Z11至Z13各自獨立地為CR'或N,且其中至少兩者為N; R、R'以及R11至R13各自獨立地為氫;氘;鹵基;經取代或未經取代的C1至C60烷基;經取代或未經取代的C3至C60環烷基;經取代或未經取代的C6至C60芳基;或經取代或未經取代的C2至C60雜環基; R14為氫;氘;經取代或未經取代的C1至C60烷基;經取代或未經取代的C3至C60環烷基;經取代或未經取代的C6至C60芳基;或經取代或未經取代的C2至C60雜環基,或彼此相鄰的兩個或多於兩個基團彼此鍵結以形成經取代或未經取代的C6至C60芳族烴環; r11為1或2; r12及r13各自獨立地為1至5的整數; r14為1至8的整數;以及 當r11為2且r12至r14各自為2或大於2的整數時,括弧中的取代基彼此相同或不同。
- 如請求項1所述的雜環化合物,其中L1及L2各自獨立地為直接鍵;或伸苯基。
- 一種有機發光元件,包括: 第一電極; 第二電極;以及 有機材料層,設置於所述第一電極與所述第二電極之間, 其中所述有機材料層包含一或多種類型的如請求項1至請求項8中任一項所述的雜環化合物。
- 如請求項9所述的有機發光元件,其中所述有機材料層包含發光層,且所述發光層包含一或多種類型的所述雜環化合物。
- 如請求項10所述的有機發光元件,其中所述發光層包含主體,且所述主體包含一或多種類型的所述雜環化合物。
- 如請求項9所述的有機發光元件,更包括一個由下述者組成的族群中選出的層:發光層、電洞注入層、電洞傳輸層、電子注入層、電子傳輸層、電子阻擋層以及電洞阻擋層。
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