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<p>The solar cell is made by embedding a uniform 500 nanometer-thick cadmium sulfide in a cadmium telluride thin film, both of which are commonly used semiconductors in thin-film solar cells. Earlier, some scientists  Marketing of Wood Composite Flooring  also used this column design ideas, but its method is more expensive, and the photoelectric conversion efficiency of less than 2%. In traditional solar cells, silicon absorbs light and produces free electrons, which must reach the circuit before they get trapped in the material's defects or impurities.</p> <p> This requires the use of extremely pure, expensive crystalline silicon for efficient photovoltaic devices. The nano-column takes on the responsibility of silicon, the material around the nano-column absorbs light and produces electrons, and the nano-column carries  Clear Plastic Decking  it to the circuit. This design improves efficiency in two ways: tightly packed nanorods trap light between columns and help the surrounding material absorb more light; electrons traverse the nanopillars in very short distances, so there is not much chance of getting stuck Defects in the material.</p> <p> This means that low-quality, inexpensive materials can be used. Some scientists use different nanostructures to make such solar cells. The photoelectric conversion efficiency of these nanowire solar cells has reached 4%. For the first time, nanoparticle batteries made by colleagues used oxidized aluminum foil to create periodically distributed 200 nm wide holes that act as templates for the upright growth of CdS crystals. Then, a cadmium telluride and tip  outdoor balcony floor Oman  electrode is decorated with a film of copper and gold.</p>