Enhanced external quantum efficiency of light emitting diodes by fabricating two-dimensional photonic crystal sapphire substrate with holographic technique
全息技术制作二维光子晶体蓝宝石衬底提高发光二极管外量子效率
The external quantum efficiency of photon crystal(PHC) structured LED is calculated.
对光子晶体结构的外量子效率进行了计算。
Several approaches to enhance the external quantum efficiency of LED are discussed,such as growth of distributed Bragg reflector(DBR) tabricat-ing,transparent substrates technology,surface lift-off,flip-chip,surface roughening,unusual chip and photonic crystal structure.
简要介绍了从芯片技术角度提高发光二极管(LED)外量子效率的几种途径,生长分布布拉格反射层结构、制作透明衬底、衬底剥离技术、倒装芯片技术、表面粗化技术、异形芯片技术、采用光子晶体结构等。
Theoretical calculation of quantum yield for exponential-doping GaAs photocathodes;
指数掺杂GaAs光电阴极量子效率的理论计算
Influences of concentration and solvent on the fluorescent property of 4,5-diphenyl-2-methyloxazole and 4,5-diphenyl-2-styryloxazole were studied,and fluorescence quantum yield(Φ)of the two compound were also studied in the paper.
2-甲基-4,5-二苯基噁唑和2-苯乙烯基-4,5-二苯基噁唑这两种化合物为非平面噁唑类衍生物,因在噁唑环中存在π-π*电子迁移而具有一定荧光性能,本文研究了浓度、溶剂和结构对两种化合物荧光性能的影响,并测定了化合物的荧光量子效率。
UV-vis absorption spectra, thermal analysis, photoluminescence spectra, quantum yield and life time of the complexes were s.
通过元素分析、红外光谱、核磁共振光谱确定了它们的组成 ,研究了三种配合物的热稳定性、成膜性能和光致发光性能 (发光强度、荧光量子效率和寿命 ) ,并初步从理论上探讨含有不同基团的第二配体的结构对铕 (III)配合物发光的影响 ,结果表明 :这三种铕 (III)三元配合物均为优良的红色发光材料 ,而且在真空条件下均形成均衡的薄膜 ,这为以这三种铕 (III)配合物作为发光层材料制作有机电致发光器件提供了认识基
The reason for higher internal efficiency but lower brightness is its poor external efficiency.
发光二极管内量子效率高而亮度不高的原因是外量子效率低。
Enhanced external quantum efficiency of light emitting diodes by fabricating two-dimensional photonic crystal sapphire substrate with holographic technique
全息技术制作二维光子晶体蓝宝石衬底提高发光二极管外量子效率
conversion quantum efficiency of photocathode
光阴极的量子转换效率
In short supply of water, leaf carboxylation efficiency and apparent quantum yield were cut down.
另外表明,水分供应不足,叶片的羧化效率和表观量子产额下降。
Calculation of quantum efficiency of alkali halide photocathode materials in the extreme ultraviolet region
极端紫外波段碱卤化物光阴极材料量子效率计算
How to improve efficiency and quality on preparing electronics teaching plans;
如何提高编写电子讲稿的质量与效率
Analysis of QKD communication efficiency and security;
量子通信QKD的效率及安全性分析
Study on quantum chemistry of AlF molecular properties in the external electric field
AlF分子外场效应的量子化学研究
High Reflectivity Measurement of Mid-and-far Infrared Mirrors with a Quantum Cascade Laser
基于量子级联激光器的中远红外高反射率测量
Pressure Effect on the Mobility of Electrons in Quantum Wells with Finite Barriers;
有限深量子阱中电子迁移率的压力效应
Revision of quantum efficiency formula for negative electron affinity photocathodes
负电子亲和势光电阴极量子效率公式的修正
Effect of Polaron Effect on Third-order Susceptibility in ZnS/CdSe Quantum Dot Quantum Well
极化子效应对ZnS/CdSe量子点三阶极化率的影响
Fluorescent Quantum Yield of a New Kind of Polymer TPA20
一种新型高分子聚合物TPA20的荧光量子效率
Activity Measurement of ~(60)Co,~(134)Cs by Using 4πβ-4πγ Sum Efficiency Extrapolation Method
4πβ-4πγ相加效率外推法测量~(60)Co、~(134)Cs活度
The Effect of Gene Transfection of Foreign DNA into Goat Sperm by Different Treatments
不同处理对山羊精子转染外源DNA效率的影响
When his wife starts cutting back on his mandatory drug usage, his job performance falters.
他的妻子减小了他的用药量，他的工作效率降低。
SIMULATION CALCULATION FOR DETECTION EFFICIENCY IN THE MEASUREMENT OF COSMIC RAY HADRON SPECTRA
宇宙线强子谱测量中探测效率的模拟计算
A Method to Improve the Transmitting Efficiency of BB84 Protocol in Quantum Communication;
提高量子通信中BB84协议传输效率的一种方法