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According to foreign media reports, researchers from Stanford University have successfully developed a solar cell that can be attached to the surface of any object like a band-aid, thus greatly expanding the potential application of solar energy technology.
Researchers said that traditional solar cell products usually have a rigid substrate, which also makes it impossible for the products to display their optoelectronic conversion capabilities when they are mounted on irregular surfaces. The thin film solar cell manufacturing technology completely breaks through the limitation of the product form for the photoelectric conversion capability and the applicable range.
According to reports, thin-film solar cells have a unique "sandwich" structure consisting of silicon, silicon dioxide, and metal trilayers. When manufacturing such products, the technician first fixes the silicon/silicon dioxide wafer on a nickel metal plate with a thickness of 300 nm through a heat-sensitive material, and then covers and fills the silicon/silicon wafer with a special gel. The voids and surfaces make it a complete soft membrane mat.
When used, the entire solar cell is first soaked in hot water to separate the soft pad containing the silicon/silicon dioxide wafer from the nickel metal plate, and then it can be attached to helmets, portable electronic devices, etc. Use the surface of the device, the roof of the house, and the objects such as clothes.
At the same time, this paste solar cell can be used repeatedly, and its photoelectric conversion ability will not be reduced due to repeated paste operations.
In addition, researchers expect that this type of thin-film solar cell will help create new types of smart spacesuits in the future, and its film adhesion technology will also be used in printed circuit boards, ultra-thin transistors, and liquid crystal displays. Manufacturing process.
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