How to improve the utilization of solar light and use low-cost and environmentally friendly materials has always been a problem that scientists are tirelessly eager to overcome. A scientist from the University of Oslo, Norway, gave a solution that seemed feasible.
According to Energy Live, a new type of solar cell developed by a professor named Bengt Svensson uses nanotechnology to fuse two different types of layers of material to absorb more sunlight.
The specific method is as follows: the first layer of the solar cell is composed of conventional silicon; the second layer is composed of copper oxide nanoparticles, specifically absorbing blue light in the sunlight. We all know that blue light is never absorbed by ordinary silicon solar panels.
The experimental results show that the combination of these two materials will increase the utilization of solar light by the new solar panel to 40%. This doubles the power generation efficiency compared to conventional solar cells.
Professor Bengt Svensson told the media: "Compared with the costly and toxic solar cells, the new nano solar cells are not only the most efficient solar cells in the world, but also very friendly to the environment."
In addition, it is worth mentioning that the copper oxide required for the fabrication of such nano-solar cells is very common on earth and does not require the use of expensive rare metals. This will greatly reduce production costs.
According to Professor Bengt Svensson, the development of the new solar cell is part of the well-known European research and development project Solhet. Of course, the research and development of the project is still in the laboratory stage, and it still needs to wait for a while from the real mass production business.
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