A semi-transparent polymer solar cell with aerochromic function and preparation method thereof
A solar cell and gas-induced chromic technology, applied in semiconductor/solid-state device manufacturing, circuits, photovoltaic power generation, etc., can solve problems such as blank research and exploration, single function, and failure to meet application requirements, and achieve short-circuit current density and energy Improved conversion efficiency, high coloring efficiency, and low cost effects
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Embodiment 1
[0030] 1. Ultrasonic clean the transparent glass (glass) with acetone, ethanol, and deionized water for 20 minutes in sequence, and dry it with nitrogen for 30 minutes before use;
[0031] 2. Preparation of WO on transparent glass by vacuum evaporation 3 Thin films: In a multi-source organic vapor phase molecular deposition system, at 1.5×10 -4 Under Pa high vacuum conditions, WO with a thickness of 120nm was evaporated on transparent glass 3 film;
[0032] 3. By vacuum sputtering method in WO 3The Pt nanoparticles were sputtered on the film, the sputtering time was 60s, and the WO 3 Catalyst Pt nanoparticles evenly distributed on the surface, thus prepared with WO 3 / Pt structure, a device with only aerochromic function.
Embodiment 2
[0034] 1. Clean the ITO conductive glass with acetone, ethanol, and deionized water for 20 minutes, and dry it with nitrogen for 30 minutes before use;
[0035] 2. Dissolve PFN, the cathode buffer layer material, in methanol solution to a concentration of 0.8mg mL -1 solution, then add 10 μL acetic acid solution to each milliliter of PFN solution, and after it is stirred evenly, it is spin-coated on ITO. The thickness of the film is 3nm;
[0036] 3. The active layer is the light-absorbing layer of a semi-transparent polymer solar cell. A flat and uniform active layer is the basis for obtaining a high-efficiency solar cell. In the experiment, polymer materials were used to prepare the active layer of a bulk heterojunction solar cell. After mixing the donor material PTB7-Th and the acceptor material FOIC with a mass ratio of 1:1.5, they were dissolved in a mixed solvent of chlorobenzene (CB) and 1,8-diiodooctane; in the mixed solvent, chlorobenzene (CB ) is 96% by volume, and ...
Embodiment 3
[0040] 1. Clean the ITO conductive glass with acetone, ethanol, and deionized water for 20 minutes, and dry it with nitrogen for 30 minutes before use;
[0041] 2. Dissolve PFN, the cathode buffer layer material, in methanol solution to a concentration of 0.8mg mL -1 Then add 10 μL acetic acid solution in every milliliter of PFN solution, after it is stirred evenly, spin-coat on ITO, spin-coating speed is 3500rpm, and the time of spin-coating is 60s, the thickness of the cathode buffer layer PFN film that obtains is 3nm;
[0042] 3. The active layer is the light-absorbing layer of a semi-transparent polymer solar cell. A flat and uniform active layer is the basis for obtaining a high-efficiency solar cell. In the experiment, polymer materials were used to prepare the active layer of a bulk heterojunction solar cell. After mixing the donor material PTB7-Th and the acceptor material FOIC with a mass ratio of 1:1.5, they were dissolved in a mixed solvent of chlorobenzene (CB) an...
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