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    • 2. 发明公开
    • Semitransparent photoconversion device
    • Semitransparente Fotowandlervorrichtung
    • EP2800161A1
    • 2014-11-05
    • EP13166037.5
    • 2013-04-30
    • Fundació Institut de Ciències FotòniquesUniversitat Politècnica de Catalunya
    • Martorell Pena, JordiBetancur Lopera, Rafael, AndrésRonero Gómez, PabloMartínez Otero, Alberto
    • H01L51/42G02B1/11H01L51/44
    • The main object of the present invention is to provide a semitransparent photo conversion device that enhances harvesting of visible sunlight. For this purpose, a semitransparent photovoltaic cell is provided with a multilayer structure (7) that can be used to change the color hue appearance of the cell while guaranteeing a minimum change in the light absorption capability. The photo conversion device has a direct or inverted architecture that comprises a first light transmissive electrical contact (2) overlaying a transparent substrate (1), a charge blocking layer (3) overlying the first light transmissive electrical contact (2) and underlying the active organic photosensitive material (4), a second charge blocking layer (5) overlying the active organic photosensitive material (4), a second light transmissive electrical contact (6) overlying the second charge blocking layer (5), and a multilayer structure (7) overlying the second light transmissive electrical contact (6). The multilayer structure (7) is composed of two or more layers of light non-absorbing dielectric materials and two adjacent layers in the multilayer structure always have different refractive indexes.
    • 本发明的主要目的是提供一种增强可见光阳光收集的半透明光转换装置。 为此目的,半透明光伏电池具有多层结构(7),其可用于改变电池的色调外观,同时保证光吸收能力的最小变化。 光转换装置具有直接或反向架构,其包括覆盖透明基板(1)的第一透光电触点(2),覆盖第一透光电触头(2)的电荷阻挡层(3),并且位于主动 有机感光材料(4),覆盖有机有机感光材料(4)的第二电荷阻挡层(5),覆盖第二电荷阻挡层(5)的第二透光电触点(6)和多层结构 )覆盖第二透光电触点(6)。 多层结构(7)由两层或多层轻的非吸收介电材料构成,并且多层结构中的两个相邻层总是具有不同的折射率。