电致发光

This kind of?availoneself of infusion style electricity to aglow principium make the crystal diode of call led,Appellative LED?

这种利用注入式电致发光原理制作的二极管叫发光二极管，通称LED。

This kind of avail oneself of infusion style electricity to aglow principium make the crystal diode of call LED.

这种利用注入式电致发光原理制作的二极管叫发光二极管，通称LED。

The applications of the phthalocyanines in photodynamics therapy, light bleacher, catalysts, disc, nonliner optical proper-ity, electroluminace, gas sensor, electrochromic was reported in detail.

简要介绍了酞菁化合物在光动力学疗法、光漂白剂、催化剂、光电记录、非线性光学、电致发光、气体传感器、电致变色、有机超晶格等方面的应用。

In this thesis, on the basis of experimental and theoretical research, we study the factors that lead to low electroluminescence efficiency of PS and the stability of PL in PS.

在本论文中，我们通过理论和实验研究，对造成多孔硅电致发光效率低的原因以及多孔硅的发光稳定性问题进行了一些探索。

The europium complexes have an efficiency high PL, the monochrome red light and so on, making it be EL materials in application.

在发光材料方面，铕的配合物以其独特的发光特性使其在电致发光材料方面具有诱人的应用前景。

Luminescent organometallic compounds have been becoming the most active research focus in recent years because of their applications in electroluminescent display.

发光金属有机配合物因其在电致发光材料中的潜在应用已成为当前国际上一个十分活跃的研究热点。

The most parts of thesis as follows:1. Five symmetrical intra-molecular charge transfer oligomeric phenylene vinylene light emitting materials were designed and synthesized using oligomeric phenylene vinylene as a framework.2. The structures of target molecule were characterized by ~1HNMR,~(13)CNMR, IR, MS and element analysis.3. In order to study the influence of the location and numbers of electron-donor and electron-acceptor on their photoelectric performance by changing length of OPV chain, the UV spectra and fluorescence spectra of target compounds has been compared. We have researched into main factors effecting on material emitting red-shift; organic electroluminescence device was prepared using the compound P4. The capability of eletroluminescence was researched.4. The photoelectric properties of P4 was explained by quantum chemical calculation (the Gaussian 98 quantum chemistry program). It is greatly contributed know the whole process of charge transfer to guide the design of red emitters.

本文研究的内容主要包括以下部分：(1)设计并合成5个对称的以齐聚苯乙烯类为骨架的分子内电荷转移型齐聚苯乙烯类发光材料；(2)通过IR，MS，~1H-NMR，~(13)C-NMR和元素分析对所合成的目标化合物进行表征；(3)通过对目标化合物的紫外光谱和荧光光谱比较分析，研究改变OPV的长度，电子给体和电子受体的位置及数量对其光电性能的影响，探讨材料发射红移的主要因素；选取性能良好的目标化合物P4制备成OELD器件，对其电致发光性能进行研究；(4)运用Gaussian98量子化学程序包，采用量子化学方法对目标化合物P4的光电性能从理论加以解释，进一步认识荷移跃迁的整个过程，为红光材料的设计加以指导。

The experimental results prove that the excitation efficiency across the phosphor of the device is not homogeneous, and its variation depends on the applied voltage.

分析表明低压驱动电致发光的机理是由于发光层中电场强度的不均匀分布。

In this paper, twenty novel meso-substituted porphyrins of four series were designed and synthesized by increasing the conjugation of porphyrins or introducing substituents with high fluorescence quantum yield into the meso-position of porphine, and then red OLEDs were fabricated by doping porphyrins into a suitable host using ten porphyrins compounds and their electrolumin -escence properties were tested. The main contents and results were generalized as follows:Three meso-tetrakisporphyrins 4a-c and three conjugations of porphine-triarylamine linked by styrene 10a-c were synthesized and characterized by 1H NMR, MS, UV-vis spectra and fluorescence emission spectra.

本文通过增大卟啉分子的共轭结构或将具有高荧光量子产率的基团连接到卟吩环的中位得到了四类共20个新型的卟啉化合物，并选取其中10个化合物制备有机发光器件来考察材料的电致发光性能，具体内容包括以下几个部分：设计合成了3个中位直接被三芳胺取代的卟啉化合物4a-c和3个通过苯乙烯连接的卟吩-三芳胺共轭体10a-c，通过核磁氢谱、质谱、紫外吸收光谱和荧光发射光谱表征了新化合物的结构。

When it is used in electroluminescent device, its maximum luminescent wavelength is 518 nm, yellowish-green colour, and under the condition of driving voltage of 20V, its maximum luminosity is 4500 cd/sq.m.

该发光材料应用于电致发光器件时，最大发光波长为518nm，呈黄绿光，在驱动电压20V下最大光亮度为4500cd/m2。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。