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1、化学化工文献检索 一、 OLED 最新发展Inkjet Printed Polymer on Flexible Substrate OLED ApplicationsFulvia Villani , Paolo Vacca , Guiseppe Nenna ,Olga Valentino , Gianabttista Burrasca,Tommaso Fasolino ,Garla Minarini and Dario della SalaEnea Centro Ricerche Portici ,piazzale Enrico Fermi 1 ,80055 Portici(NA),Italy
2、J.Phys.Chem.C ,2009 ,113(30) ,pp 13398-13402DOI:10.1021/jp8095538Publication Date(Web):July 7,2009Copyright 2009 American Chemical Society*Corresponding author ,Fulvia Villani ,CR ENEA Portici ,piazzale E.Fermi 1 ,80055 Portici(NA),Italy,tel .+39 081 7723344.Abstract In optoelectronics, inkjet print
3、ing (IJP) technology is being developed as an alternative to the traditional techniques for organic materials deposition. In this work, we report the fabrication of organic light-emitting diodes (OLEDs) on the flexible substrate by studying the effect of a surface chemical treatment on the inkjet pr
4、inted polymer film morphology. The employed piranha treatment increases the substrate surface energy and improves the wettability, thus inducing a decrease in the IJ printed drop thickness. The IJ printed polymer (poly(9,9-dihexyl-9H-fluorene-2,7-diyl) is the hole-transporting layer (HTL) of a hybri
5、d structure in which the other layers are deposited by vacuum thermal evaporation. Furthermore, in order to determine the effect of the IJ deposition method on the manufactured OLED performances, we compare them to those of devices fabricated using standard technologies. With this aim, OLEDs with th
6、e same structure are fabricated by replacing the IJ printed polymer with a spin-coated film employing the same polymer solution. The electrical and optical properties of the electroluminescent devices are investigated and discussed. Despite the lack of thickness uniformity in IJ printed film, which
7、is an intrinsic, technological limit, OLEDs with IJ printed HTL show electro-optical characteristics that are similar to the ones of OLEDs with spin-coated HTL.译文：喷墨印刷聚合物在OLED柔性底层的应用在光电子学中，喷墨印刷（IJP）技术已经发展成为替代传统有机材料沉积技术的一种新型技术。在这项工作中，我们通过研究对喷墨印刷聚合物薄膜形态表面化学处理的效果，报告了韧性底层上有机发光二极管（OLEDs）的构成。 的处理不仅增加了底层的表
8、面能，也提高了它的可湿性，从而诱发了喷墨印刷层厚度的减少。喷墨印刷聚合物（聚（9，9-二己烷）是一种混合结构的空穴传输层（HTL），此结构的其他层面都由于真空热蒸发作用而被沉积。此外，为了测定喷墨沉积的方法对生产的OLED性能的影响，我们用标准技术比较了其与原来制造的设备。以此为目的，具有相同结构的OLED都被改造为将采用相同聚合物溶液的旋涂薄膜代替喷墨印刷聚合物的新结构。电致发光器件的光学和电学的性质都已经研究探讨。尽管在喷墨印刷层中缺少统一的薄层厚度，这是内在的，技术性的限制，具有喷墨印刷空穴传输层的OLED在光电特性上与具有旋涂空穴运输的OLED是相同的。Highly Efficient
9、 Color-Tunable OLED Based on Poly(9,9dioctylfluorene) Doped with a Novel Europium ComplexUmberto Giovanella ,Mariacecilia Pasini ,Christelle Freund ,Chiara Botta ,William Porzio and Silvia Destri Istituto per lo Studio delle Macromolecole ,CNR Via Bassini 15,20133 Milano ,Italy ,and Polo scientifico
10、 e tecnologico del CNR,via Fantoli 16,20138 Milano ,Italy J.Phys. Chem.C ,2009,113(6),pp 2290-2295 DOI:10.1012/jp809088n Publication Date (Web):January 21,2009 Copyright 2009 American Chemical Society *Corresponding author,r.it Abstract Tunable dichromic electroluminescence is obtained from a blend
11、of Eu3+ complex in polyfluorene by a single spin-coatable emitting layer device with external quantum efficiency as high as 1%, the highest reported in literature to our knowledge. The design of a complex whose ligand increases the site isolation of Eu3+ ion allows reduction of the back-transfer que
12、nching effects that prevented up to now the multicolor electroluminescence of Eu3+ complex/polyfluorene blends. Energy transfer mechanisms involving singlet and triplet excitons are analyzed by focusing on the effects of site isolation and polarity of the new ligand that provide homogeneous dispersi
13、on of the complex in the conjugated polymer.译文：基于聚（9，9-辛基芴）的一种新型掺杂铕的复合物的高效颜色可调OLED 可调重铬酸电致发光是由一种含Eu3+复合体与聚芴的混合物在外部量子效率高达1%（已知文献中所报道的最高效率）的单层旋涂发光层设备上产生的。配合物能够增加Eu3+离子间的隔离的混合物的设计，可以减小背部猝火效应，从而可以阻止目前为止Eu3+复合体/聚芴混合物的多色电致发光。以粒子间间隔的效果和新型配合物的极性为重点，我们对涉及单态和三重激子的能量转移机制进行了分析，从而提供了共轭聚合物中复合体的均匀分散。二、 自主装电致发光材料Li
14、gand Methylation and Coordination Geometry Effects on the Properties of Zinc and Lithium(8-Quinolinolato) Chelate Electroluminescent MaterialsLinda S.Sapochak, Flocerfida L. Endrino, Jeffrey B. Marshall, Daniel P. Fogarty, Nancy M. Washton, Sanjini Nanayakkara Department of Chemistry ,University of Nevada ,4505 Maryland Parkway ,Las Vegas ,NV 89154-4003 Chapter 13,pp 171-186 Chapter DOI:10.1021/bk-2003-0844.ch013 ACS Symposiu
