According to the British "Daily Mail" reported on August 5, German scientists invented translucent colored sunglasses lenses that can use solar energy to charge mobile phones. The organic solar cells of the lenses have a microprocessor and two power monitors, which show the sun's illumination. Intensity and ambient temperature, the lens can even use solar energy to charge the phone. The researchers said that the technology may lay the foundation for the further application of solar energy, such as embedded organic solar cells in windows or glass sunroofs.
Organic solar cells can use solar energy to produce electricity, which is characterized by transparency, light weight, and can be made into different colors and shapes. It can replace the traditional heavier and harder silicon solar cells in a wider range of fields.
Researchers at Karlsruhe Institute of Technology in Germany used the sunglasses as a sample to demonstrate the application of organic solar cells. “We use this solar technology to fill gaps in other solar technologies,†said Dr. Alexander Kersman, head of the Institute’s Optical Technology Organic Solar Optoelectronics Group. This smart solar eyewear can self-negative energy to measure and display the sun's light intensity and temperature, as well as work in indoor lighting conditions as low as 500 lux (general office or residential ambient lighting). Even indoors, two lenses can generate 200 microwatts of power, which is enough to charge a hearing aid or pedometer, the thickness of the lens is 1.6 millimeters, and the weight is 6 grams, which is no different from ordinary lenses, so it is also commercially available. value. Microprocessors and displays are embedded in the temple's temples and show the light intensity and ambient temperature as a bar graph.
Dr. Dominique Randall, a doctoral student who assists in the development of solar energy glasses, said: “We developed solar energy glasses to show how organic solar cells work in areas where conventional photovoltaic cells cannot be applied.†According to different specific requirements, the corresponding color, transparency, shape and size can be formulated, and organic solar cells have also become a concern.
Professor Korsman also revealed that another application of solar cells is to integrate them into buildings. As the front of glass high-rise buildings usually needs to be covered, how to use organic solar cells to convert light energy into electrical energy is a problem faced by researchers. MIT researchers are working on this. In 2013, the MIT Microsystems Technology Laboratory research team announced that they were inventing a transparent solar cell that could convert windows or electronics into a generator. For engineers who are conducting basic research on organic solar cells and semiconductor components at the Energy Systems Materials Research Center, the next thing to do is to use roll-to-roll technology to cover the surface of large objects with organic solar cells.
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