复合效率 meaning in English
composite efficiency
Examples
- Mqw have the same effect on hb - led as dh , but better than that
Mqw结构比dh结构更加有效的限制载流子，增加辐射复合效率。 - In addition , it proved that the electric field could control the carrier recombination regions . along with voltage hoisting , the recombination efficiency reached the max before it declines quickly
另外，电场对器件的复合效率具有较强的调制作用，随着电压的升高，漏电流增大，器件的复合效率达到最大值后很快地下降。 - The results indicate that carriers recombining and causing luminescence in two organic layers by traversing their interface . the influence of barrier height of transport layer on current density , recombination current and recombination efficiency of the devices is great
结果表明：双层器件的发光是载流子隧穿内界面后在两有机层中的复合发光，输运层的势垒高度对载流子电流密度、复合电流密度以及器件的复合效率影响很大。 - After introducing the background and the trend of research on ppv thin film light - emitting diodes ( leds ) and the structure of ppv device and its characterizes , the theoretical model of the leds * light - emitting efficiency was presented . based on this model , the formula of light - emitting efficiency was deduced to be : the injecting - currents and the recombining - efficiencies were calculated nwnerically , we found the calculated results agreed very well with the experimental results under the electric field from 0 . 5 x 106 to 1 . 5 x 106v / cm , the numeral calculations and theoretical analyzes of the light - emitting efficiency were done . the conclusions were as follows : ( 1 ) the basic mechanism of the injection transportation and recombination of the carriers which were presented in this paper were proved to be right ; ( 2 ) the electroluminescence in ppv thin film is the result of exciton recombination , the light - emitting efficiency was affected by many factors
本文主要研究聚对苯乙炔（ ppv ）薄膜发光二极管发光效率及主要影响因素，简单地介绍了ppv薄膜发光二极管的研究背景及发展趋势、 ppv器件的结构和性质后，提出了一个计算器件发光效率理论模型，利用这个理论模型得出了发光效率公式的表达式：并对注入电流、复合效率等进行了数值计算，通过合理地选择计算参数，发现计算值在场强为0 . 5 10 ~ 6 1 . 5 10 ~ 6v / cm的范围内与实验结果较好地符合，在此基础上，对发光效率进行了数值计算和理论分析，结果表明：计算结果与理论研究结果相符较好，得出结论如下： （ 1 ）本文的理论推导正确地反映了器件中载流子的注入、传输和复合等基本机制； （ 2 ） ppv薄膜中的电致发光是激子复合的结果，发光效率受多种因素影响。 - Bulk silicon has an indirect energy bandage and is therefore highly inefficient as a light source . it is hard to get the goal of luminescence devices . nanocrystalline silion ( nc - si ) have many difference from bulk silicon , such as structure , the capability of optics and photoelectricity
单晶硅是间接带隙材料,其带间辐射复合效率非常低,难以达到发光器件的要求,与之相比,纳米硅晶在结构、光学及光电性能方面与单晶硅不同,它在发光器件、光探测器件、光电集成以及传感器等领域有更广阔的应用前景。