Single-layer organic solar cell and making method thereof
A solar cell and organic technology, which is applied in circuits, photovoltaic power generation, electrical components, etc., can solve the problems of increasing the complexity of organic solar cell devices and demanding heterojunction growth control, so as to improve energy conversion efficiency and high production efficiency , the effect of reducing production costs
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[0019] A single-layer organic solar cell includes a transparent insulating substrate, and a transparent anode electrode layer, a photosensitive layer, and a cathode electrode layer laminated on the transparent insulating substrate, wherein at least one side of the cathode electrode layer is formed with a metal nanoparticle layer , The work function value of the metal nanoparticles in the metal nanoparticle layer is lower than the work function value of the cathode electrode layer. The single-layer organic solar cell of this embodiment has the following three implementation modes:
[0020] See figure 1 , Showing a schematic structural view of the first embodiment of a single-layer organic solar cell according to an embodiment of the present invention. In this embodiment, the single-layer organic solar cell includes a transparent insulating substrate 5, and a transparent anode electrode layer 4, a photosensitive layer 3, a metal nanoparticle layer 2 and a cathode electrode layer 1 ...
Example Embodiment
[0049] Example 1
[0050] The structure of single-layer organic solar cells is as figure 1 As shown, the high-reflectivity cathode electrode layer 1 uses an aluminum film electrode, the metal nanoparticles 2 are lithium (Li) nanoparticles, the photosensitive layer 3 uses a CuPc copper phthalocyanine film, and the transparent electrode 4 uses an ITO striped electrode, and its square resistance is 15 Ohm / □, the transparent insulating layer 5 uses quartz glass.
[0051] The specific preparation method is as follows:
[0052] (1) Choose 1.1mm thick polished quartz glass as the transparent insulating substrate 5, and clean the quartz glass for 2-3 hours by ultrasonic method;
[0053] (2) Use sputtering to grow a layer of ITO conductive film on one surface of the quartz glass, the thickness of the ITO film is 120nm;
[0054] (3) Photoetching the ITO conductive film into the required striped electrode pattern as the transparent anode electrode layer 4, which is the anode of the battery;
[005...
Example Embodiment
[0059] Example 2
[0060] Such as figure 2 As shown, the high-reflectivity electrode 1 uses Ag silver film electrodes, the metal nanoparticles 2 uses lithium Li nanoparticles, the photosensitive layer 3 uses pentacene films, and the transparent electrode 4 uses ITO striped electrodes, with a sheet resistance of 15 ohms / □. The transparent insulating layer 5 uses quartz glass.
[0061] The specific preparation method is as follows:
[0062] (1) Choose polished quartz glass with a thickness of 1.5mm as the transparent insulating substrate 5, and clean the quartz glass by ultrasonic method for 2-2.5 hours;
[0063] (2) Sputtering is used to grow a layer of ITO conductive film on one surface of the quartz glass, the thickness of the ITO film is 80nm;
[0064] (3) Photoetching the ITO conductive film into the required stripe electrode pattern as the anode of the solar cell; as the transparent anode electrode layer 4, that is, the anode of the cell;
[0065] (4) The entire ITO glass substrate...
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