电致发光

TPA-PPV (M_W of 3000-4000 g/mol) is a good kind of polymeric light-emitting diodes material and has a high photoluminescent quantum yield, we prepared a series of TPA-PPV nanoparticles with diameters ranging from 20 to 100 nm by reprecipitation method.

结果如下： 1、以一种低分子量聚合物绿色电致发光材料TPA-PPV为目标分子，平均分子量为3000—4000，具有很高的荧光量子产率。

The better technology parameters of synthesis of triphenylamine, 4,4\'-dimethyltriphenylamine and 4,4\',4-trinitrotriphenylamine were obtained through the orthogonal test.

三苯胺及其衍生物是制备电荷传输材料，电致发光材料等的重要原材料，同时也可以作为有机染料和医药中间体。

In order to investigate the relationship between the open-chain ligands and metal ions, and the possibility of the metal complexes used as electroluminescent materials, a new naphthol schiff base ligand which is a open-chain crown and its four transition metal complexes, a new amide type tripodal ligand containing heterocyclic ring, two tripodal ligands (H〓L〓 and H〓L〓) containing phenol schiff bases and their rare earth complexes were synthesized and characterized.

为了进一步研究和探讨开链配体与金属离子的配位作用，以及金属配合物作为电致发光材料的可能性，我们设计合成了含萘酚环的Schiff碱开链冠醚H〓L〓及四种过渡金属(Zn、Ni、Co、Cu)配合物，两个含酚羟基的Schiff碱三足配体H〓L〓和H〓L〓及稀土配合物，一个含杂环的酰胺型三足配体L〓，培养了配体L〓的单晶，确定了其晶体结构。

The latter has only one PL band peaking at about 1.48eV,while the former is a double-band PL spectrum with peaks at both 1.48eV and 1.97eV.The electroluminescenceform the Au／scored Si-rich SiO2 film／p-Si sample is about 6 times in intensity of that of the Au／unscored one.

未刻划样品的PL谱只有一个峰，位于840nm(1.48eV)，而刻划样品的PL谱是双峰结构，峰位分别位于630nm(1.97eV)和840nm.800℃退火的刻划富硅二氧化硅/p-Si样品在背面蒸铝制成欧姆接触和正面蒸上半透明金电极后在正向偏压10V下的电致发光强度约为同样制备的未经刻划样品在同样测试条件下的EL强度的6倍。

Poly-phenylene vinylene is not only a kind of conducting material but a fine kind of electroluminescent material.

聚对苯乙炔不仅是一种导电高分子材料，同时也是一种性能良好的电致发光材料。

The results showed porous silicon exhibited the electrode with porous structure in the more position potential and analogized a plate electrode at the more negative potential.

在氧化还原电位较正的〓S〓O〓和H〓O〓电解液中，在阴极极化时氧化剂向多孔硅价带注入了空穴导致多孔硅产生电致发光。

The thermal effect will results in the degradation of EL like it quenches PL.

热效应同样会导致P型多孔硅电致发光的淬灭。

The nanocrystals were characterized by infrared spectrum,X-ray diffraction and scanning electron microscope,which were used to characterized their structure,composition and morphology.

采用红外光谱、X射线衍射、扫描电镜表征其结构、组成及形貌，并对其电致发光特性进行表征。

Most of researches concerning organic functional material indicate that organic ligand plays an important role in its complex.

对具有电致发光性质的有机功能材料的大量研究表明，有机配体在有机配合物中的特征性质中发挥着巨大的作用。

In electroluminescence, It is proved that the complexes with neutralmolecules have higher electron mobilities than those without neutral, molecules.

C，在以上基础上，以稀土配合物为材料制得的电致发光器件得到的最大亮度和效率分别为18 V下920 〓和0.70 〓的电流密度下0.51 lm／W。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。