Solar cells are commonly referred to as devices that capture the sunlight’s energy and convert it into energy. Solar panels and solar modules are prime examples of solar power. Although this power source is efficient in capturing energy, it is costly to produce.
Enter Nanoantenna, a future hopeful in solar cell replacement, made up of small gold spirals or squares set in polyethylene, the same material used in plastic bags. Although still in the testing stages, these nanoantennas are believed by experts to be able to capture up to 92% of energy at certain infrared wavelengths. Using infrared rays, they can continue to collect energy even after the sun has set. This energy can be harvested at all times, not just during daylight hours. Considerably more affordable, the nanoantennas are based on inexpensive plastic sheets.
Scientists at the US Dept. of Energy’s Idaho Laboratory are still searching for ways to convert the captured energy from the nanoantennas into electricity. There is still considerable research ahead to be able to transfer this solar energy into usable electricity. However, scientists and researchers are hopeful that a bright future in solar products is just around the technology corner and that tomorrow’s electronics will be powered by a less expensive solar powered product.