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    • 1. 发明申请
    • PHOTON ENHANCED THERMIONIC EMISSION
    • 光子增强THERMONIC排放
    • WO2010044891A3
    • 2011-04-07
    • PCT/US2009005669
    • 2009-10-19
    • UNIV LELAND STANFORD JUNIORSCHWEDE JAREDMELOSH NICHOLASSHEN ZHIXUN
    • SCHWEDE JAREDMELOSH NICHOLASSHEN ZHIXUN
    • H01J45/00H01J40/06
    • H01J40/06H01J45/00H01J2201/30434H02S99/00
    • Photon Enhanced Thermionic Emission (PETE) is exploited to provide improved efficiency for radiant energy conversion. A hot (greater than 200 0C) semiconductor cathode is illuminated such that it emits electrons. Because the cathode is hot, significantly more electrons are emitted than would be emitted from a room temperature (or colder) cathode under the same illumination conditions. As a result of this increased electron emission, the energy conversion efficiency can be significantly increased relative to a conventional photovoltaic device. In PETE, the cathode electrons can be (and typically are) thermalized with respect to the cathode. As a result, PETE does not rely on emission of non-thermalized electrons, and is significantly easier to implement than hot-carrier emission approaches.
    • 光子增强型热离子发射(PETE)被用于提高辐射能量转换的效率。 一个热(大于200℃)的半导体阴极被照亮使其发射电子。 因为阴极是热的,所以在相同的照明条件下比从室温(或较冷的)阴极发射的电子要大得多。 作为这种增加的电子发射的结果,相对于常规光伏器件,能量转换效率可以显着增加。 在PETE中,阴极电子可以(并且通常被)相对于阴极热化。 因此,PETE不依赖于非热电子发射,并且比热载流子发射方法更容易实现。