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    • 6. 发明申请
    • ULTRATHIN FILM SOLAR CELLS
    • 超薄膜太阳能电池
    • WO2012153340A1
    • 2012-11-15
    • PCT/IL2012/050170
    • 2012-05-10
    • TECHNION RESEARCH AND DEVELOPMENT FOUNDATION LTD.ROTSCHILD, AvnerDOTAN, HenKFIR, OferSHARLIN, Elad
    • ROTSCHILD, AvnerDOTAN, HenKFIR, OferSHARLIN, Elad
    • H01G9/20H01L27/30
    • C25B1/003H01G9/2068H01G9/209H01L27/301H01L31/02168H01L31/02327H01L31/0547H01L31/056H01L31/18Y02E10/52Y02E10/542
    • A radiation conversion device is presented comprising at least one radiation conversion cell. The radiation conversion cell comprises a photo-absorber unit having a predetermined absorption spectrum for absorbing radiation of a certain wavelength range thereby converting the absorbed radiation into charge carriers, and at least partially reflective layer structure configured to be substantially reflective for said certain wavelength range. The photo-absorber unit and the at least partially reflective structure are configured to provide a desired refractive index profile across the radiation conversion cell with respect to said certain wavelength range and to define an optical cavity with respect to said certain wavelength range within the photo-absorber unit, thereby providing a desired interference condition for said certain wavelength range, thereby causing the radiation, absorbed by and propagating through said photo-absorber unit while being reflected from said at least partially reflective structure, to be effectively trapped within said photo-absorber unit.
    • 呈现包括至少一个辐射转换单元的辐射转换装置。 辐射转换单元包括光吸收单元,其具有用于吸收一定波长范围的辐射的预定吸收光谱,从而将吸收的辐射转换成电荷载流子,以及至少部分反射层结构,其被配置为在所述特定波长范围内基本反射。 所述光吸收单元和所述至少部分反射结构被配置成相对于所述特定波长范围提供横跨所述辐射转换单元的期望折射率分布,并且相对于所述特定波长范围内的所述特定波长范围限定光学腔, 从而为所述特定波长范围提供期望的干扰条件,从而使得由所述光吸收体单元吸收并通过所述光吸收体单元反射的辐射在被所述至少部分反射结构反射的同时被有效地捕获在所述光吸收体内 单元。