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- The photolumescence( PL) spectrum of modified Si nanoparticles was changed since the protective agent had modified the surface states, thus altering the light emission characteristics. 奈米矽粉的光激发光光谱因保护剂之包覆,改变其发光机制而改变光谱峰。
- In cathode ray tube display, the continuation of light emission from phosphor after excitation by the electron beam. 在阴极射线管显示器中,用电子束激励后荧光物质光发射的持续现象。
- Light Emission Characteristics of Self-organized Quantum Dot of InAs/GaAs Grown at the Edge of Molecular Beam 分子束外延生长的InAs/GaAs自组织量子点发光特性
- Low drive current. High intensity of light emission. 驱动电流低,发光强度高。
- The experiments under various excitation power showed that these light emissions are characteristic of self-trapped exciton emission. 不同强度激发发光光谱实验发现,这三个发光带都具有自陷激子发光特征。
- The emission characteristic of carbon plasma arc-discharger under the pulse mode was studied. 研究讨论了在脉冲工作方式下;碳等离子体源的发射特性.
- And the field emission characteristic of the CNT-trunk was test by a simple diode structure. 而所成长的奈米碳管以简单的二极量测来测试其场发射特性。
- The reason is a fundamental one associated with the mechanism of light emission. 其基本原因涉及到光发射的机理。
- In cathode raytube display, the continuation of light emission from phosphor after excitation by the electron beam. 在阴极射线管显示器中,用电子束激励后荧光物质光发射的持续现象。
- The results show that the best field emission characteristic is measured with an enhancement factor of around 2118, and a turn-on field intensity of 6.3 V/m were obtained. 这表示在较低长度之下,增加奈米线的长度有助于提升其场发射特性,但是到了一定长度之后,此时继续的增加奈米线的长度将使得电场屏障效应增加,导致场发射特性随著长度的增加而衰减。
- The decay curves of the delay light emission (DLE) showed two phases: fast phase which lasted for about ten seconds and slow phase which lasted for about several minutes. 这延迟发光的衰减曲线包含两个相:持续十秒左右的快速相和持续数分钟的慢速相。
- OLED panels help prevent light emission when reproducing dark shades, resulting in very deep blacks and a contrast ratio of more than 1,000,000:1. 在还原暗部区域时,OLED面板可防止光线的干扰,还原出逼真的黑色以及高达1,000,000:1以上的对比度。
- This condition effectively relaxes the momentum conservation requirement governing electron-photon energy transfer, which boosts the rate of light emission by the semiconductor. 运用这种现象将可突破电子与光子交换能量时的动量守恒限制,大幅提高半导体的发光效率。
- Therefore, it has great scientific and practical significances to investigate the formation mechanisms, evolvement process and emission characteristic of the SPM during coal combustion. 因此,对燃煤过程中亚微米颗粒物的形成机理、演化过程及其排放特性等方面开展研究具有重要的科学和实际意义。
- Finally,light emission from porous Si, integration of Si-based LED with Si BJT,and hybrid integration of Si-based VCSEL with micro-lenses are also briefly discussed. 同时还对多孔Si 发光、Si 基发光二极管(LED) 与Si 双极晶体管(BJT) 集成、Si 基上垂直腔面发射激光器(VCSEL) 与微透镜的混合集成作了简要的介绍。
- Small inorganic crystals can withstand significantly more cycles of excitation and light emission than can typical organic molecules, which soon decompose. 小型无机晶体可以耐受更多次的激发与放出光线,不像一般的有机分子很快就分解了。
- Photoluminescence spectra and photoluminescence excitation spectra for the light emission of around 2.25 eV from undoped and C doped GaN films grown by HVPE are measured. 测量了氢化物气相外延方法生长的非特意掺杂和掺碳GaN外延膜的光致发光谱 ;并在光致发光谱峰位2 .;2 5eV(5 5 0nm)附近分别测量了光致发光激发谱;对两者进行了比较
- By using different organic materials, people have light emission of different colors, low molecular weight materials become the "star" materials in organic electro-luminescent. 人们用不同结构的有机材料制备了不同发光颜色的电致发光显示器件。 有机小分子材料具有结构确定、易修饰处理、发光颜色可调以及制膜技术成熟等优点,一举成为电致发光器件中材料“明星”。
- Such devices, which would be much cheaper than conventional LEDs composed of gallium nitride or gallium arsenide, are currently held back by their low rates of light emission. 这类装置的价格会比氮化镓或砷化镓制成的传统LED便宜许多,但是目前的发展仍然受限于发光效率过低。
- The fabricated triode flat display possessed better field emission characteristics and larger anode current. 所制作的三极结构平板显示器样品具有良好的场致发射特性以及大的阳极电流。