CN101179114A - Flexible organic electroluminescent device and method of producing the same - Google Patents

Flexible organic electroluminescent device and method of producing the same Download PDF

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CN101179114A
CN101179114A CN 200710150841 CN200710150841A CN101179114A CN 101179114 A CN101179114 A CN 101179114A CN 200710150841 CN200710150841 CN 200710150841 CN 200710150841 A CN200710150841 A CN 200710150841A CN 101179114 A CN101179114 A CN 101179114A
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self
flexible
light emitting
emitting device
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华玉林
印寿根
叶丹琴
杨利营
昊 许
陈向舟
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天津理工大学
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Abstract

本发明公开了一种柔性有机电致发光器件及其制备方法。 The present invention discloses a flexible organic light emitting device and method of preparation. 该柔性有机电致发光器件结构中依次包括柔性衬底、位于柔性衬底上的自组装单分子膜修饰的金属银膜、空穴传输层、发光层、电子传输层和金属阴极。 The flexible organic light emitting device structure sequentially comprises a flexible substrate, a self-assembled monolayer on the metallic silver modified flexible substrate film, a hole transport layer, emission layer, electron transport layer and the metal cathode. 本发明通过采用自组装单分子膜修饰的银膜作为柔性有机电致发光器件的阳极,有效的降低了阳极与常见的空穴传输层材料之间的界面势垒,解决了现有柔性有机电致发光器件ITO阳极所存在的电阻率高、不耐弯曲、容易剥离的、功函数偏低的问题。 By using modified self-assembled monolayer film is used as a flexible silver anode of the organic electroluminescent device of the present invention, effectively reducing the common interface between the anode and the hole transport layer of the barrier material, flexible organic solves high resistivity ITO anode electroluminescent device is present, not resistant to bending, easy to peel, the problem of low work function. 提高了器件的发光亮度和效率。 Increasing the luminous efficiency and luminance of the device. 简化了器件制造工艺,降低了制造成本,便于工业化生产。 Device fabrication process is simplified, reducing manufacturing cost, convenient for industrial production.

Description

一种柔性有机顿发光器件及其制备雄 A flexible organic light emitting device and fabrication male Dayton

【fe^:领域】:本发明涉及一种柔性有机电致发光器件及其制备方法,属于有机ra^光技术领域。 [Fe ^: Field: The present invention relates to a flexible light-emitting device and a method for preparing organic electroluminescent belonging organic light ra ^ art. 【背景駄】:有机顿发光二极管(OLED)是一种織的显示技术,自从1987年CW Tang ^t了^M: 1000 cd/m2的双MW机薄皿光器件以来,OLED以其制作^:低、低驱动电压、高效率、可大面积鲍显禱诸多优点引起鹏越多研究者的兴趣。 BACKGROUND Dai]: Dayton organic light emitting diode (OLED) display technology is woven, since 1987 the CW Tang ^ t ^ M: 1000 cd / m2 bis MW thin dish machine since the optical device, the OLED with its production ^ : low, low driving voltage, high efficiency, large abalone significant advantages prayer researcher Peng caused more interest. 而且在平MM示、照明及有机激光等方面的潜在应用价值而备受关注,已发展成为多学科^X的国际前^i果题和各国高技术竞争的焦点。 Further potential applications in flat MM show, lighting and organic laser and concern, has developed into an international multi-disciplinary focus before ^ X ^ i fruit and high-tech competitive national title. 作为全固化的显示器件,其最大优越性在于能够实S^'(4M示。^性衬底上制备的柔性有机敏发光二极管(F-OLED)器件可弯曲、质量轻、便于携带,大大拓宽了OLED 的f顿范围,是OLED的一个觀^M方向。以鹏为衬底的器件在短短十辨时间内取得了长足的进展,j瞎性器件的研微展相对缓侵。这是由于衬底(基片)的改变给器件的制备带来了许多新的问题。柔性显示器件的关键在于柔性衬底的选择和开发。制备柔性有机电致发光器件所面临的主要困5t^—就是如何在聚^tl基片上制备低电阻率的透明阳极。 A display device as a full curing, which can be a real advantage that the maximum S ^ '(4M shown flexible substrate made of a sensitizer ^ LED (F-OLED) device can be bent, light weight, easy to carry, greatly broadened f Dayton the scope of the OLED, the OLED is a concept of ^ M direction as to the device substrate Peng made considerable progress in a short time of ten identified RESEARCH blind micro-j show relatively slow invasion of the device. this is Since the change of the substrate (substrate) device was prepared to bring many new problems in that the flexible display device key selection and development with a flexible substrate for preparing a flexible organic electroluminescent device main difficulties faced 5t ^. - how is a low resistivity transparent anode prepared on poly ^ tl substrate.

目l^性OLED研究中的阳极通常M用铟锡氧化物薄膜(rro)作为导电层的。 L ^ OLED research project of M anode is usually indium tin oxide thin film (RRO) as a conductive layer. 采用rro Using rro

作为柔性OLED的透明阳极#^着以下问题: As the flexible transparent anode of the OLED # ^ the following problems:

1. 大多数聚^i都无法承受rro薄膜制备过程中2(xrc左右的退火,。而不^ii火,在低温条件下在聚,柔性衬底上沉积的rro薄膜电阻報高。 1. Most poly ^ i can not withstand the thin film formation process rro of about 2 (xrc annealed. ^ Ii without fire, at low temperature in polyethylene, high-resistance film rro packets deposited on a flexible substrate.

2. ITO薄,作器件的透明电极时,着铟的扩散问题。 2. ITO thin, as the transparent electrodes of the device, the problem of the diffusion of indium. 铟的扩散会影响器件的光电性能,附氐OLED器件的稳定性,縮短了j顿寿命。 Indium diffusion can affect the stability of the performance of photovoltaic devices, the OLED device attached Di, j to shorten the life of Dayton. 而且铟在自然界是稀有金属,它的价格非常昂贵,进 Nature and indium is a rare metal, it is very expensive, into

一步限制了其:oik化的进程。 Further limiting its: oik of the process. 丽见有no薄膜的制备大多采用充氧充氩的磁控M?去,工艺 Korea saw no films prepared using mostly argon oxygenated magnetron M? To process

成本也非常高昂。 The cost is very high.

3. rro薄«弯曲时容易碎裂,从而造皿件失效。 3. rro thin chip easily «bent, and thus causing failure of the dish member. 而且常用聚,基片与rro的热lg胀性能相反,这种热膨胀性能的差异使tf^聚^ti柔性衬底上沉积的rro薄膜容易发生剥离,当电流駄时,器件工作产生的焦耳热即可能导致rro导电层剥离。 Also commonly used polyethylene, opposite the thermal expansion properties of the substrate and lg rro of this difference in thermal expansion properties so that peeling easily occurs rro film deposited on a flexible substrate poly tf ^ ^ ti, when the current Dai, Joule heat generated by the work of the device That may lead to the release rro conductive layer.

4. 即使是在厚度在0.3mm以下的超薄玻璃可以得至'M0的ITO薄膜。 4. Even a thickness of 0.3mm or less in a ultra-thin glass can be obtained through 'M0 of the ITO film. 由于ITO薄膜的功函数是4.7eV,和常用的空穴^^层材料(NPB、 TPD等)的HOMO车爐&间存在着较大的势垒, Since the work function of the ITO film was of 4.7 eV, and commonly used hole ^^ layer material (NPB, TPD, etc.) there is a large inter & barrier HOMO car heaters,

通常必须在阳极rro和空穴^ir层之间插入空穴注A^冲层进行界面針布以斷氏界面势垒。 A hole injection usually must be inserted between the anode and the hole rro ^ IR ^ red layer interfacial layer's clothing to break the barrier interface. 增加了x^k化时器件制备的S^禾號和工艺成本。 S ^ Wo increases process cost and number of preparation of the device when x ^ k.

1992年,Gustafsson等[Gustafsson Q Cao Y, Treacy GM, et al. Flexible light emitting diodes made from soluble conducting polymers. Nature, 1992, 357:477479]发明了以PET为基片导电綠月S(PAN) 作为阳极的柔性有机聚^t/EL器件。 1992, Gustafsson et [Gustafsson Q Cao Y, Treacy GM, et al Flexible light emitting diodes made from soluble conducting polymers Nature, 1992, 357:.. 477479] invented and a PET substrate to be green months S (PAN) as the flexible anode organopolysiloxane ^ t / EL device. Carter[Carter SA, Angelopoulos M, Kaig S, et al. Polymeric anodes for improved polymer light-emitting diode performance. Appl. Phys. Lett"1997,70(16):2067-2069] Carter [. Carter SA, Angelopoulos M, Kaig S, et al Polymeric anodes for improved polymer light-emitting diode performance Appl Phys Lett "1997,70 (16):... 2067-2069]

^S研究中发现,PEDOT作为阳极的聚^tlEL器件比ITO作为阳极的器件稳定性更好。 Study found ^ S, PEDOT as an anode poly ^ tlEL device as the device is better than the stability of the anode ITO. 导电聚^t/层与PET基片有很好的附着力,具有更好的柔性,而_&^也更低。 Conductive poly ^ t / PET substrate layer and has good adhesion, better flexibility, and is also lower ^ _ &. 但由于导电聚,的电导報低,器件的離和效率提高得不多。 However, due to the low conductivity polyethylene, electrical Herald, and from the increased efficiency of the device not by much.

因此,研先新型的透明导电膜,寻求制备工艺相綱单倉鹏代昂贵rro薄膜的透明导电薄膜繊寻非常必要。 Thus, the first transparent conducting research new transparent conductive film, with preparation classes seek Peng substituting expensive single-chamber thin film Xian rro find necessary.

【发明内容】:本发明目的魏决现有柔性有机电致发光器件雜的问题,繊了一种柔性有机电致发光器件及其制备方法。 [SUMMARY]: Wei object of the present invention must have a problem, the conventional flexible organic electroluminescent device complicated, Xian a flexible organic electroluminescent light emitting device and method of preparation. 该方法采用自组装单W膜像饰的金属银为阳极制备柔性有机电致发光器仏 The method uses self-assembled monolayer film as W decorative metallic silver as the anode for preparing a flexible organic electroluminescent device Fo

金属材料具有很好的导电性、延展性、热传导性、热膨胀性能。 Metallic material having good electrical conductivity, ductility, thermal conductivity, thermal expansion properties. S^f有的金属材料中,Ag具有最好的导电性和延展性。 S ^ f some metal materials, Ag has the best electrical conductivity and ductility. 当金属繊的厚度小于135nm时,Ag鹏现出很好的鋭性將适当的导电性。 When the thickness of the metal Xian is less than 135nm, Ag Peng Yue exhibit good conductive property appropriate. 不过繊與虫做为柔性有机顿发光器件的阳极也有缺陷。 However, Xian and insects as the anode Dayton flexible organic light emitting device have drawbacks. 据文献鹏(BdeBoer,etal. Advanced Materials, 2005, 17(5) :621-625),经过含氟硫醇自组装单分子膜(Self-Assembled Monolayer, SAM) {,的Ag膜的功函数可以提高到5.2 eV。 According to the literature Peng (BdeBoer, etal Advanced Materials, 2005, 17 (5):. 621-625), through a thiol self-assembled monomolecular fluorine film (Self-Assembled Monolayer, SAM) {, work function can be Ag film increased to 5.2 eV. 因此,本发明提出:将乡Si^E硫劇,的超薄金属膜作为柔性有机电致发光器件的阳丰鹏用于器件结构中。 Accordingly, the present invention provides: Heung Si ^ E sulfur drama, the ultra thin metal film as a flexible organic electroluminescent device for male abundance Peng device structure. 由于会纽自组装針銜布后的银膜的功函数可以提高到5.2eV,将会有利于空穴的注入,从而可以省去加入空穴aX层的步骤,提高器件的发光敲,简化了器件的制紅艺和斷氐了制造成本。 Since the work function of the silver film after the self-assembled needle will New Title cloth can be increased to 5.2 eV, will facilitate injection of holes, so that the step of the hole aX added layer may be omitted, improving the light emitting device knock simplified Ltd. red Art Di off device and the manufacturing cost.

本发明,的柔tta光器件具体结构如附图1 ^,依次包括: The present invention, the specific configuration of the optical device tta soft as indicated by reference 1 ^, sequentially comprising:

1) 、柔性衬底l; 1), L flexible substrate;

2) 、位于±^性衬底1上的自组装单^膜傲布的金属«2; 2), located ± ^ self-assembled monolayer on the film substrate 1 ^ proud metal cloth «2;

3) 、位于,自组装单^^斷布的金属«2上的空穴^|1层3; 3), located, self-assembled metal cloth cutting ^^ «holes on the 2 ^ | 1 layer 3;

5) 、位于J^空穴传输层3上的发光层4; 5), located at J ^ luminescent layer 4 on the hole transport layer 3;

6) 、位于,发光层4上的电子傲俞层5; 6), located on the electronic proud Yu luminescent layer 4 layer 5;

7) 、位于,电子传输层5上的金属阴极6。 7), located on the metal cathode electron transport layer 56. i^性衬底可以是聚乙烯(PE)、聚丙烯(PP)、驟乙烯(PS)、^(寸苯二甲酸乙二醇酯(PET)、 i ^ of the substrate may be polyethylene (PE), polypropylene (PP), ethylene step (PS), ^ (inch polyethylene terephthalate (PET),

聚砜醚(PES)、 »萘二甲酸乙二醇酯(PEN)等透明聚合物或者是由J^3S明聚合物共混制备的透明聚合^tf才料。 Polysulfone ether (PES), »polyethylene terephthalate naphthalate (PEN) is a transparent polymer or transparent clear polymer blend prepared 3S J ^ ^ tf polymeric materials only. 也可以是厚度在0.3111111以下的超薄玻鴻。 It may be hung in the ultrathin glass 0.3111111 below.

自组装单W膜是含有吸电子基团的硫醇,吸电子基团是-F、 -CN、或^CF3。 W film is a self-assembled monolayer comprising a thiol electron withdrawing group, the electron withdrawing group is -F, -CN, or ^ CF3. 自组装单M膜鹏七学键与金属鹏键接。 Self-assembled monolayer film M Peng Peng seven chemical bonds with the metal bonded.

,的有机Eta发光器件的制备方法,包括以下步骤: , Eta prepared organic light emitting device, comprising the steps of:

第一、将透明柔性衬底在清洁剂中反复清洗后,经异丙M泡并超声清洗,最后在氮气流中吹干待用; First, a transparent flexible substrate after repeated washing in a detergent, and foam from isopropyl M ultrasonic cleaning, and finally dried in a nitrogen stream stand;

第二在透明柔性衬底表面,通过真空热蒸镀或电子鶴发的械形成银膜;银膜的厚度是25-150nm; The second surface of the transparent flexible substrate, a silver film formed by vacuum thermal evaporation or electron mechanically Hefa; silver film thickness is 25-150nm;

第三、ai^浸泡法,蒸法,用含有吸电子基团的自组装M对^MiTOa行f,,形成自 Third, ai ^ immersion, steam method, self-assembly containing an electron withdrawing group M of row f ,, ^ MiTOa formed from

组装单^T膜修饰的^M银膜2,其中,吸电子基团是-F、 -CN、或-CF3 ,该自组装^Mii化学键与鍋鹏键接; Assembled monolayer ^ T ^ M membrane-modified silver film 2, wherein the electron withdrawing group is -F, -CN, or -CF3, the self assembling ^ Mii Peng chemically bonded to the pan;

第四、^±^自组装单針膜斷布的«鹏2±3131蒸镀^&定涂法形成空穴#^层; 第五、^m空穴傲俞层Jrffil蒸娜戯光层; 第六、mi^发光层iJIii蒸M^成电子^彌层; Fourth, ^ ± ^ self-assembled monolayer film off the cloth needle «^ Peng 2 ± 3131 & given deposition coating layer to form a hole # ^; V, ^ m Jrffil hole Ao Yu layer was distilled Na play light layer; sixth, mi ^ M ^ emitting layer into the electron distilled iJIii ^ Mi layer;

第七、^t^电子^ir层JdS3i蒸镀形^S阴t媚,制f贿机顿发光器件。 Seventh, ^ t ^ ^ ir electron deposition layer JdS3i ^ S-shaped female Mei t, f bribery machine manufactured by Dayton light emitting device.

本发明的船和积极鄉: Ship of the invention and active Township:

将经过含氟硫醇{,的超薄鍋膜作为柔性有机顿发光器件的阳极应用于器件结构中,将 Applied to the device through the anode structure {fluorinated thiol, a flexible organic thin film as a pot Dayton light emitting device, the

会有利于空穴的ax,从而提高器件的发光離和效率。 It will facilitate hole ax, and to improve the efficiency of light emission from the device. 简化了器件的制紅艺,利于ZDlk化生产。 Hong-Yi simplified system devices, which will help ZDlk production.

【附图说明】: BRIEF DESCRIPTION OF:

图l是器件结构示意图; Figure l is a schematic view of a device structure;

【具体实lfe^:】: DETAILED real lfe ^:]:

实施例l Example l

(1) 将30mmx30mm的聚酯(PET)片在清洁剂中反复清洗后,经异丙,泡并超声清洗,最后在氮气流中吹干待用; (1) of 30mmx30mm polyester (PET) substrate is repeatedly cleaned in the cleaning agent, from isopropyl, foam and ultrasonic cleaning, and finally dried in a nitrogen stream stand;

(2) 禾拥真空蒸镀法^L^清洗后的聚酯(PET)片表面蒸镀厚度是135nm的Ag膜。 (2) the vacuum deposition method ^ Wo owned polyester (PET) L ^ after cleaning sheet is deposited on the surface of the Ag film thickness of 135nm.

(3) 将J^蒸镀有135nmAg膜的PET片^CA浓度为lxl(T3 mol/L的4-M^硫醇的^7K乙lM液中浸泡0,5h后取出,用无水乙im洗3次,并用氮气流吹干。利用真空蒸镀、?琉次蒸镀60nm的NPB、 70nm的Alq3、 0.7nm的LiF和100nm的A1,在4〜8V范围,可获得稳定的电致发光,在8V时的,达27600cd/m2;最大发光'效率为5.6cd/A (7V)。 (3) A ^ J-deposited PET film sheet 135nmAg ^ the CA concentration lxl (T3 mol / L of 4-M ^ ^ thiol acetate 7K soaking solution after 0,5h lM removed, dried over anhydrous acetic im washed 3 times and blown dry with a stream of nitrogen. by vacuum deposition,? 60nm sulfur vapor times the NPB, 70nm of Alq3, 0.7nm to 100nm, LiF and A1, in 4~8V range, a stable electroluminescent when the 8V, up 27600cd / m2; maximum luminous' efficiency of 5.6cd / a (7V).

实施例2 Example 2

(1)将30mmx30mm的聚酯(PET)片在清洁剂中反复清洗后,经异丙隨泡并超声清洗,最后在氮气流中吹干待用;(2) 禾,真空蒸镀法^m清船的聚酯(PET)片表面蒸^j^度是15Qnm的Ag膜。 (1) After the 30mmx30mm polyester (PET) substrate is repeatedly cleaned in the cleaning agent, the foam and ultrasonic cleaning with isopropyl, and finally dried in a nitrogen stream stand; (2) Wo, a vacuum deposition method ^ m Ship clear polyester (PET) substrate surface is evaporated ^ j ^ of the Ag film 15Qnm.

(3) 将战蒸镀有150nmAg膜的PET片^CA浓度为"10—3 mol/L的3-三氟甲基节S^醇的^7乂乙,液中浸泡0.511后取出,用^7K乙,洗3次,并用氮气流吹干。 (3) the battle vapor-deposited PET film sheet 150nmAg concentration of the CA ^ "^ 10-3 mol / L of 3-trifluoromethyl-section S ^ qe 7-ol acetate, 0.511 taken after soaking liquid, with ^ 7K acetate, washed 3 times and blown dry with a stream of nitrogen.

(4) 将PVK和TPD按质量比1: 1〜1:: 2混合,并溶于氯仿中配«度为2mg/ml的溶液。 (4) the PVK and TPD mass ratio of 1: 1~1 :: 2 were mixed with and dissolved in chloroform «degree of 2mg / ml solution. 采用旋激去鹏。 Peng excited to spin. 完鹏将其置^B喿器内2小时以上待歸脾发。 After the Peng ^ B is set to more than 2 hours Qiao is made to be the spleen.

(5) 禾,真空蒸镀法将空穴傲俞层NPB制成厚度为20nm的薄膜。 (5) Wo, a vacuum deposition method NPB hole-Ao Yu layer film having a thickness of 20nm.

(6) 利用真空蒸镀法在空穴傲俞层NPB上制备发光层兼电子^^层Alq3(八羟SlBl木铝)的薄膜, 厚度为60nm。 (6) Preparation of a vacuum deposition method using a thin film layer and the electron emitting layer ^^ Alq3 (eight hydroxyl SlBl wood aluminum) layer on the hole Ao Yu NPB, a thickness of 60nm.

(7) 在发光层Alq3 a真空蒸镀lnm的LiF和3nm的Al、 135nrn的银做阴极。 (7) In the light-emitting layer of Alq3 a lnm vacuum deposition of LiF and Al 3nm, 135nrn silver as the cathode. 从而制成可以双面发光的柔性有机电致发光器件,器件结构: Thereby producing a double-sided light emission can be flexible organic electroluminescent device, the device structure:

Ag(SAM)/PVK:TPD/NPB(20nm)/Alq3(60nm)/LiF(l腿)/Al(3腦)/Ag(135nm)。 Ag (SAM) / PVK: TPD / NPB (20nm) / Alq3 (60nm) / LiF (l leg) / Al (3 Brain) / Ag (135nm).

(8) 器件制备完成后,在3,5〜9V之间,可获得稳定的双面电雜光,在8V时顶部的最高亮度达1500cd/m2,底部发光的,为3155 cd/m2。 (8) The finished device, between 3,5~9V, to obtain a stable duplex electrical stray light, when the top of the highest brightness 8V 1500cd / m2, the bottom emission, is 3155 cd / m2.

Claims (7)

1、一种柔性有机电致发光器件,其特征在于该发光器件包括: 1)、柔性衬底(1); 2)、位于上述柔性衬底(1)上的自组装单分子膜修饰的金属银膜(2); 3)、位于上述自组装单分子修饰的金属银膜(2)上的空穴传输层(3); 5)、位于上述空穴传输层(3)上的发光层(4); 6)、位于上述发光层(4)上的电子传输层(5); 7)、位于上述电子传输层(5)上的金属阴极(6)。 1, a flexible organic electroluminescent device, characterized in that the light-emitting device comprising: a) a flexible substrate (1); 2), located at the flexible substrate modified self-assembled monolayer on the (1) metal a light emitting layer (3) 5), positioned in the hole transport layer (; silver film (2); 3), a metal silver film (the hole transport layer 2) (3) located at the self-assembled monolayer-modified 4); 6), located on the light emitting layer (the electron transport layer 4) (5); 7), located in the electron transporting layer (metal cathode (6) on the 5).
2、 根据权利要求1所述的柔性有机顿发光器件,辦征在于柔性衬底(1)是透明的聚合物,具体是聚乙烯(PE)、聚丙烯(PP)、聚苯乙烯(PS)、 «苯二甲酸乙二醇酯(PET)、聚砜醚(PES)、 »萘二甲酸乙二醇酯(PEN)或者是由i^i歪明聚^^共混制备的透明聚合t^料。 2, flexible organic light emitting device of claim 1 Dayton claim, characterized in that the flexible substrate do (1) is a transparent polymer, particularly polyethylene (PE), polypropylene (PP), polystyrene (PS) , «polyethylene terephthalate (PET), polysulfone ether (the PES),» polyethylene terephthalate naphthalate (PEN), or prepared by polymerization of a transparent crooked Ming-i ^ i ^^ t ^ blend material.
3、 根据权利要求l戶做的柔性有机El^光器件,其特征在于柔性衬底(1)是厚度在0,3mm 以下的超薄M。 3, according to claim l households do El ^ flexible organic light emitting device, characterized in that the flexible substrate (1) in a thickness of 0,3mm or less thin M.
4、 根据权利要求1或2或3所述的柔性有机电致发光器件,其特征在于自组装单好麟含有吸电子基团的硫醇,且自组装单^T膜fflil化学键与,银膜键接。 4. The flexible 1 or 2 or as claimed in claim 3, the organic electroluminescent device, characterized in that the self-assembled monolayer comprising a thiol Lin good electron withdrawing group, and the self-assembled monolayer film fflil ^ T chemical bond with the silver film bonded.
5、 根据权利要求4戶舰的柔性有机⑩发光器件,其特征在于自组装^ffii^浸泡法,蒸法对鍋ITO4行斷布。 5. The flexible organic light emitting device ⑩ ship as claimed in claim 4, characterized in that the self-assembled ^ ffii ^ immersion, steam pot method ITO4 cloth cutting line.
6、 根据权利要求5所述的柔性有机电致发光器件,其特征在于吸电子基团是-F、 -CN、或"C&。 6, according to claim flexible organic light emitting device of claim 5, wherein the electron withdrawing group is -F, -CN, or "C &.
7、 一种权利要求1所述的柔性有机1«发光器件的制备方法,其特征在于该方f抱括以下步骤:第一、将透明柔性衬底在清洁剂中反复清洗后,经异丙SI^泡并超声清洗,最后在氮气流中吹干待用;第二在透明柔性衬底表面,»31真空热蒸镀或电子束蒸发的办法形成«; «的厚度是25-150nm;第三、Mil浸泡法鶴蒸法,用含Wn及电子基团的自组装肝对金属银鹏行f,,形成自组装单肝膜f,的金属鹏(2),其中,吸电子基团是-F、 -CN、或《F3 ,该自组装好通过化学键与鍋繊驗;第四、^h^自组装单肝駒,的^M側莫(2) J^l蒸镀鄉足涂法形成空穴^^f层;第五、th^空穴传lr层Jdlil蒸TO皿光层; 第六、^h^a光层JJiil蒸娜成电子^^层; 第七、^hii电子^^层i^iil蒸镀形成金Jg阴极层,制得有机ffeim光器件。 7, a flexible organic «method of preparing a light emitting device as claimed in claim, characterized in that the holding party f comprises the steps of: after the first, the transparent flexible substrate is repeatedly cleaned in the cleaning agent, from isopropyl SI ^ foam and ultrasonic cleaning, and finally dried in a nitrogen stream stand; the second surface of the transparent flexible substrate, »31 approaches vacuum thermal evaporation or electron beam evaporation is formed«; «a thickness of 25-150nm; first three, Mil immersion crane steam method, an electron-containing group and Wn self-assembled metal liver Yinpeng line f ,, is formed self-assembled monolayer film F liver, Peng metal (2), wherein the electron withdrawing group is -F, -CN, or "F3, the self-assembled by a chemical bond with the test pot Xian; fourth, ^ h ^ horse liver self-assembled, the side Mo ^ M (2) J ^ l sufficient coating deposition Township F ^^ layer forming the hole; fifth, th ^ lr hole transfer layer was distilled tO Jdlil cell optical layer; sixth, ^ h ^ a light-emitting layer into the electron ^^ Na JJiil evaporated layer; VII, ^ hii electronic ^ ^ i ^ iil layer formed by vapor deposition of gold cathode layer Jg prepared ffeim organic light emitting device.
CN 200710150841 2007-12-10 2007-12-10 Flexible organic electroluminescent device and method of producing the same CN101179114A (en)

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