In a breakthrough that could revolutionize how we power our devices, researchers at Soochow University have developed a flexible "Polymer Solar Cells" technology that can charge a phone simply by being exposed to light. This innovation brings us one step closer to the dream of always having a charged device, no matter where you are. The project was led by Yuan Jianyu, a graduate student from the Institute of Nanotechnology, under the guidance of Professor Ma Wanli, a recipient of the National Youth Plan.
Currently, most solar cells on the market are made from inorganic materials like silicon. These traditional solar panels are not only heavy and bulky but also expensive to produce and energy-intensive, often causing environmental harm during manufacturing. In contrast, the flexible polymer solar cells developed by the team offer a more sustainable and practical alternative. They can be bent or folded like paper, making them incredibly portable. Once unfolded, they can efficiently convert sunlight into electricity.
During a visit to the Suda Nano-Science and Technology Institute, Yuan Jianyu demonstrated a new type of solar panel that resembles a transparent plastic film—similar in appearance to regular paper. It can be rolled into a cylinder or shaped in various forms. Upon closer inspection, the film is coated with a thin layer of chemicals, just 100 nanometers thick. This innovative polymer layer is the heart of the solar cell, responsible for absorbing sunlight and converting it into usable electrical energy.
Yuan explained that the production process for these flexible solar cells is simple and scalable, making mass production feasible. While the technology is still in the early stages, the research team has already completed initial laboratory tests and is now working on scaling up the production and refining the manufacturing process. Experts such as Professor Alan Heeger, the 2000 Nobel Prize winner in Chemistry and pioneer of conductive polymers, and Professor Ma Wanli, who has over a decade of experience in solar cell research, believe this technology has great potential and could soon move from the lab to real-world applications.
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