According to the International Journal of Science, Science, China, the battery research team from China Nankai University has * new research progress in the field of solar cells – they have prepared a solar cell based on organic semiconductor materials, Energy conversion efficiency (the efficiency of converting light energy into electrical energy) reached 17.3%, and the performance of 166 days later was only slight attenuated (about 4%).
What is 17.3%? It can be said that it exceeds the high value of the current at least 14% of the same organic solar cell efficiency, setting a new world record – improve the progress of each percentage point in terms of increasing energy conversion.
Solar cells, maybe everyone is unfamiliar. But specifically, the material of manufacturing solar cells may not understand. At present, most commercial solar panels are manufactured by inorganic semiconductor materials, which have raw materials to acquire (such as silicon), absorption spectroscopy, and high energy conversion efficiency. But in fact, inorganic semiconductor materials are not perfect solutions for solar energy into electrical energy. The reason is that they are too crumblish, and scientists must continue to develop and find alternative solutions.
Organic solar cells have been a research hotspot in academic and industrial communities in recent years. In addition, scientists generally believe that if the battery device configuration and material selection can be continuously optimized, the energy conversion efficiency of organic solar cells can theoretically break through 25%. Especially in the past decade, organic solar cells have experienced transition development, and their performance can be compared with commercial inorganic silicon batteries, just like a high level of crown, encouraged scientists constantly approaching it.
However, we are still a distance from the real organic solar cell, there are still some problems need to be overcome – for example, many organic materials are not so stable under irradiation of sunlight, and the solvent toxicity used during production is large. And the large-scale production process is not yet mature.
Wuxi Huizhong, Nanjing Xia Hua, Wuxi
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