电子层

稀土元素具有独特的电子层结构，是一类丰富的发光材料宝库。

Elements of rare earth have particular configurations of electronic shell , and is an abundant mine of luminescent materials .

稀土离子由于其独特的电子层结构使得稀土离子掺杂的发光材料具有其它发光材料所不具有的许多优异性能。

Because of the special electronic shell structure , the rare earth-doped luminescence materials have been provided with outstanding luminescence properties than the other type luminescence materials .

合成了系列四羧基金属酞菁配合物，研究了中心金属的电子层结构、取代基效应以及溶剂的极性对于配合物电子吸收光谱最大吸收峰波长λmax的影响。

A series of tetracarboxylic metal phthalocyanines are synthesized and their electronic absorption spectra are investigated . There are several factors influence the maximum absorption wavelength λ max of Q band : the electronic structure of central metal atom ; peripheral substituents ;

结合DLVO理论，双电子层压缩机理，吸附电中和机理，吸附架桥机理和胶体的网捕机理解释了黄河细颗粒泥沙的絮凝生长过程。

The floc growth process of yellow river sediment is expounded with DLVO theory , compression mechanism of electric double layer , adsorption and charge neutralization mechanism , adsorption bridging mechanism , capture mechanism .

这个最外层被称作价电子层。

And , this outermost shell is termed the valence shell .

过渡元素原子例外电子层结构的浅释

A simple explanation of the exceptional electron structure of transition elements

过渡元素原子电子层结构是长期困扰教学过程的难点。

The electron structure of transition elements is permanentlydiffcult point of teaching .

卤原子在它们的介电子层含有七个电子。

Halogen atoms contain seven electrons in their valence shell .

这一结果可用含d电子层结构的过渡金属之间的协同作用解释。

The results are related to the synergetic activation of transition metals containing d electron .

价电子层拓扑指数及其对镧系元素理化性质的预测

The topological index of valence electron shell and calculation of physical and chemical properties of the lanthanide

卤原子在它们的价电子层含有七个电子，因此是一价的。

Halogen atoms contain seven electrons in their valence shell , and , consequently , are monovalent .

原子内第三层和最外层之间的一些电子层，含有多达32个电子。

Some layers between the third and last layers of an atom contain as many as 32 electrons .

稀土元素独特的电子层结构，使其拥有一般元素无法比拟的光学性质。

The unique electron shell structure of rare-earth elements result in the incomparable optical properties than those generally elements .

氧和硫由于有类似的电子层结构，它们有许多共同的物理和化学特性。

Oxygen and sulfur have many common physical and chemical properties due to a similar structure of their electronic shells .

金属离子对周围分子的作用主要取决于其半径、电荷和及电子层结构。

Metal ion has effects on the surrounding molecules depends on its radius , the charge and the structure of electron shell .

如果有的电子层上均排满电子，则作用力互相抵消，而导致每个电子的磁矩为零。

If all the shells containing electrons are completely filled , the effects cancel out and each atom has a resultant zero magnetic moment .

而那是由，在离子的电子层之间的，引力和斥力相互抵消得到的。

And , that 's given by the balance between the attractive force of the ions offset by the repulsive force in the electronic shells .

近年来利用原子和分子结构理论在分子的电子层结构层次上进行研究越来越受到重视。

In recent years , people pay more attention to using the structural theory of atoms and molecules to research in the level of electronic shell structure .

由于稀土离子独特的电子层结构，使得稀土发光材料广泛用于照明、显示、检测三大领域。

Rare earth luminescence materials are widely used in the fields of lighting , display and detection due to the rare earth ions have special electronic shell structure .

摘要本文通过对第二周期元素价电子层结构、原子半径、成键轨道及其重要参数的分析，讨论了第二周期非金属元素的不规则现象，并且分析了产生这些不规则性的原因。

Through analysis on the structure of valence electron shell , the atom radius , the bonding orbital and other important parameters , this paper discusses the irregularity in the second circle of nonmetal elements and the irregular courses .

GaN基激光器电子阻挡层的优化分析

Optimization of the Electron Blocking Layer in GaN Laser Diodes

这样，有必要引入一个电子阻挡层来增强ZnO层的发光。

Thus , it is necessary to involve an electron blocking layer to enhance the emission from ZnO .

将n型掺杂与多重复单元结构应用于电子传输层中，分析电子的注入与传输机制。

Analyzing the mechanism of electron injection and transporting by employing the n-type doping technology and multiple repeat cells in electron transporting layer ( ETL ) .

并发现Al/DPSF电子注入层的存在可以有效降低ITO与发光层之间的电子注入势垒。

It is found that the electron injection barrier between ITO and the light-emitting layer can be significantly reduced at present of Al / DPSF .

由于电子注入层／空穴阻挡层ZnO的引入，使电子和空穴在发光层的复合几率大大提高，提高了器件的发光性能。

Because of the introduction of the electron injection layer , the combination of the electron and hole in the emission layer enhanced greatly , which improved the luminescent properties of the device .

以Liq作为电子注入层的高效有机电致发光器件

Efficiency Improvement of Organic Electroluminescent Devices by Using Liq as an Electron Injection Layer

通过这些结果我们可以得出，极化诱导的电子阻挡层能够有效的阻挡电子和降低由能带弯曲和价带带阶AEvAlGaN/GaN引起的空穴阻挡，从而诱导主要的复合发光在ZnO中发生。

The result shows that the polarization induced electron blocking layer can effectively block the electron and reduces holes barrier caused by energy-band bending and valance band offset △ EvAlGaN / GaN , leading to enhancement of recombination in ZnO .

氧化锌（ZnO）具有较宽的带隙（31eV）和较低的亲合势（30eV），有可能用作薄膜场发射阴极中的电子传输层材料。

ZnO films can be a promising material used in the electron transmission and acceleration layers in a field emission flat panel display because of its wide band gap ( 3 1 eV ) and low affinity ( 3 0 eV ) .

Alq和BCP分别用作电子传输层和激子阻挡层，NPB用作蓝光发光层和空穴传输层。

Alq and BCP are used as electron-transporting and exciton-blocking layers , respectively , and NPB as a blue light-emitting as well as hole-transporting layer .

进行了ZnO量子点作为电子传输层（ETL）平衡有机电致发光器件的载流子，改善MEH-PPV的发光特性。

Therefore , ZnO QDs applied as Electron Transport Layer ( ETL ) to balance of the charge carriers in inorganic-organic light-emitting diodes ( LEDs ) and to improve the luminous efficiency of MEH-PPV was studied .