The new solar cell developed by Professor Bengt Svensson, Norway, uses nanotechnology to fuse two different types of material layers. Through the combination of the two materials, the new solar panel will increase the utilization of solar rays to 40%. This doubles the power generation efficiency compared to today's conventional solar cells.
In our existing understanding, solar cells are generally made of silicon, and the utilization rate of solar rays is only 20%; even if it is the highest efficiency solar cell on record, this value is only 25%, and that solar energy Batteries are generally made of rare and toxic materials.
How to improve the utilization rate of solar light and adopt low-cost and environmentally friendly materials has always been a problem that scientists are tirelessly trying to overcome. A scientist from the University of Oslo, Norway, gave a seemingly viable solution.
According to EnergyLive, the new solar cell developed by Professor Bengt Svensson uses nanotechnology to fuse two different types of material layers to absorb more sunlight.
The specific approach is as follows: The first layer of solar cells is composed of conventional silicon; the second layer is composed of copper oxide nanoparticles, specifically absorbing blue light in the sun's rays. We all know that blue light is never absorbed by ordinary silicon solar panels.
The experimental results show that through the combination of the two materials, the utilization of solar rays by the new solar panel will increase to 40%. This doubles the power generation efficiency compared to today's conventional solar cells.
Prof. Bengt Svensson told the media: "Compared with the current high cost and toxic solar cells, the new nano solar cell is not only the most efficient solar cell in the world, but also very friendly to the environment."
In addition, it should also be mentioned that the copper oxide, a material required for the production of such nano solar cells, is common on the earth and does not require the use of expensive rare metals. This will greatly reduce production costs.
According to information provided by Prof. Bengt Svensson, the research and development of this new solar cell is part of the well-known European research project Solhet. Of course, at present, the R&D of the project is still in the laboratory stage, and it will take a while to wait for a real mass production business.
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