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    • 105. 发明授权
    • Enhanced electron field emission from carbon nanotubes without activation
    • 来自碳纳米管的未激活的增强的电子场发射
    • US07736209B2
    • 2010-06-15
    • US11215696
    • 2005-08-30
    • Dongsheng MaoRichard FinkZvi Yaniv
    • Dongsheng MaoRichard FinkZvi Yaniv
    • H01J9/00
    • H01J1/304B82Y10/00H01J9/025H01J31/127H01J2201/30469
    • A method for forming cathodes for use in field emission devices using nanoparticles, such as carbon nanotubes (CNTs), is disclosed. The CNT layer comprises the electron emitting material on the surface of the cathode. Using the methods of the present invention, the density of the deposited CNTs may be modulated by forming emitter islands on the surface of the cathode. The size and distribution of the CNT emitter islands serve to optimize the field emission properties of the resulting CNT layer. In one embodiment, the CNT emitter islands are formed using a screen-printing deposition method. The present invention may be practiced without further process steps after deposition which activate or align the carbon nanotubes for field emission.
    • 公开了一种用于形成使用纳米颗粒的场发射器件(例如碳纳米管(CNTs))的阴极的方法。 CNT层包括阴极表面上的电子发射材料。 使用本发明的方法,沉积的CNT的密度可以通过在阴极的表面上形成发射极岛来调制。 CNT发射体岛的尺寸和分布用于优化所得CNT层的场致发射性质。 在一个实施例中,使用丝网印刷沉积方法形成CNT发射岛。 本发明可以在沉积之后没有进一步的工艺步骤来实现,其激活或对准用于场发射的碳纳米管。
    • 106. 发明授权
    • Remote identification of explosives and other harmful materials
    • 远程识别爆炸物和其他有害物质
    • US07632548B2
    • 2009-12-15
    • US10633335
    • 2003-08-01
    • Zvi Yaniv
    • Zvi Yaniv
    • B05D3/06
    • G01N21/643B82Y30/00G01N33/0057
    • The present invention is for a process of sensing chemicals with nanoparticles, particularly nanoparticles whose bandgap has been altered from that of their corresponding bulk material by reducing their particle size below their quantum confinement threshold. The photoluminescent properties of these nanoparticles can be altered as a result of interaction with their chemical environment. Thus, by carefully understanding how a particular chemical species alters the chemical environment and changes the photoluminescence of the nanoparticles, the identification of—and the screening for—a wide range of chemical species can be accomplished. Furthermore, in embodiments in which the chemical species of interest is a harmful material, detection and screening of said harmful material can be carried out in a pre-emptive manner.
    • 本发明涉及一种用纳米颗粒感测化学品的方法,特别是纳米颗粒的带隙已经通过将它们的粒度降低到其量子限制阈值以下而与其相应的本体材料的带隙相比较。 这些纳米颗粒的光致发光性能可能因与其化学环境的相互作用而改变。 因此,通过仔细了解特定化学物质如何改变化学环境并改变纳米颗粒的光致发光,可以实现对多种化学物质的鉴定和筛选。 此外,在感兴趣的化学物质是有害物质的实施方案中,可以以优先的方式进行所述有害物质的检测和筛选。