【摘要】：有機(jī)/聚合物電致發(fā)光器件(OLED or PLED)因其自發(fā)光、視角廣、效率高、發(fā)光顏色連續(xù)可調(diào)和制作工藝簡(jiǎn)單等優(yōu)點(diǎn)將成為新一代發(fā)光載體。環(huán)金屬銥配合物因其激發(fā)態(tài)壽命短、發(fā)光效率高以及可以通過(guò)對(duì)配體的修飾覆蓋可見光區(qū)的全色顯示等優(yōu)點(diǎn)而被廣泛應(yīng)用于磷光電致發(fā)光器件。采用化學(xué)鍵鍵入的連接方式將磷光銥配合物連接到聚合物鏈上,可有效地避免因聚集而產(chǎn)生的濃度猝滅現(xiàn)象,解決摻雜型有機(jī)發(fā)光器件使用過(guò)程中存在的相分離以及在高電流密度下穩(wěn)定性差等問(wèn)題。此外,銥配合物的斯托克斯位移較大并且具有多種激發(fā)態(tài)使得其對(duì)外部環(huán)境更為敏感,因此也常常被用于設(shè)計(jì)磷光化學(xué)傳感器。首先,本論文設(shè)計(jì)合成了基于2-(4-溴苯基)-苯并噻唑類環(huán)金屬銥配合物鍵入在聚芴或聚芴-咔唑主鏈上的磷光聚合物,研究了其光致發(fā)光性能和電致發(fā)光性能。其次,通過(guò)引入對(duì)待檢測(cè)物質(zhì)具有識(shí)別功能的基團(tuán),合成了一系列基于2-苯基-苯并噻唑類環(huán)金屬銥配合物的衍生物,并進(jìn)行了化學(xué)傳感器方面的應(yīng)用研究。通過(guò)紅外光譜、核磁、質(zhì)譜等分析手段對(duì)合成的配合物和聚合物進(jìn)行了結(jié)構(gòu)表征,對(duì)客體磷光銥配合物和聚合物的光致發(fā)光性能等進(jìn)行了研究。將聚合物通過(guò)旋涂和蒸鍍等手段制成器件并研究了其電致發(fā)光性能。通過(guò)光物理性能測(cè)試等手段研究了化學(xué)傳感器的選擇性。
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[Abstract]:Organic / polymer electroluminescent device (OLED or PLED) will become a new generation of light-emitting carrier because of its self-luminous, wide viewing angle, high efficiency, continuous adjustable luminous color and simple fabrication process. Cyclic metal iridium complexes have been widely used in phosphoelectroluminescent devices because of their short excited state life, high luminous efficiency and panchromatic display in visible region by modifying ligands. By connecting the phosphor iridium complex to the polymer chain by chemical bond typing, the concentration quenching caused by aggregation can be effectively avoided, and the problems of phase separation and poor stability at high current density can be solved. In addition, iridium complexes are often used in the design of phosphochemical sensors because of their large Stokes shift and a variety of excited states, which make them more sensitive to the external environment. Firstly, a phosphorescence polymer based on 2-(4-bromophenyl)-benzothiazole ring iridium complex typed on the main chain of polyfluorene or polyfluorene-carbazole was designed and synthesized, and its photoluminescence and electroluminescent properties were studied. Secondly, a series of derivatives based on 2-phenyl-benzothiazole ring metal iridium complexes were synthesized by introducing groups which have recognition function to the detected substances, and the application of chemical sensors was studied. The structures of the synthesized complexes and polymers were characterized by infrared spectroscopy, nuclear magnetic resonance and mass spectrometry, and the photoluminescence properties of the guest phosphoiridium complexes and polymers were studied. The polymer was fabricated by rotating coating and evaporation, and its electroluminous properties were studied. The selectivity of chemical sensors was studied by photophysical performance test.
【學(xué)位授予單位】：福建師范大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2016
【分類號(hào)】：O641.4

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1 李冬冬;苯并噻唑類銥配合物及其主鏈型聚合物的制備與性能研究[D];福建師范大學(xué);2016年

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本文編號(hào)：2511289