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Recently, the Massachusetts Institute of Technology (MIT) and Stanford University in the United States successfully developed a new type of solar cell
.
It is understood that the cell is made of monocrystalline silicon solar cells and perovskite solar cells stacked, although the current conversion rate is only 13.
7%, but the two sides have set the goal of conversion efficiency of 29%, if the goal is achieved, this may become a solar cell
with high conversion efficiency and low manufacturing cost.
In recent years, the performance of perovskite-type solar cells has improved significantly, and in 2014, it was reported that the conversion efficiency reached 20.
1%.
Due to the low cost of materials and simple manufacturing process, it is likely to have a huge impact
on the solar cell market in the future.
However, for perovskite-type solar cells, the wavelength region of light that can be used to generate electricity is slightly biased towards the short wavelength region
.
For the current mainstream solar cells, silicon solar cells, long-wavelength visible light and near-infrared rays are more conducive to power generation
.
Therefore, the researchers believe that by combining the two, a wider range of wavelengths of light and near-infrared can be used, and solar cells with far greater efficiency than existing silicon-based solar cells
can be achieved.
One of the first attempts to combine the two was MIT.
MIT has trial-produced solar cells with a series structure of perovskite solar cells in the top unit and monocrystalline silicon solar cells
in the bottom unit.
MIT believes that the trial production of series structure solar cells still has room for development, if the optimization technology is used to make each solar cell achieve the highest efficiency, then the conversion efficiency of this series structure solar cell will reach 29%.
Recently, the Massachusetts Institute of Technology (MIT) and Stanford University in the United States successfully developed a new type of solar cell
.
It is understood that the cell is made of monocrystalline silicon solar cells and perovskite solar cells stacked, although the current conversion rate is only 13.
7%, but the two sides have set the goal of conversion efficiency of 29%, if the goal is achieved, this may become a solar cell
with high conversion efficiency and low manufacturing cost.
In recent years, the performance of perovskite-type solar cells has improved significantly, and in 2014, it was reported that the conversion efficiency reached 20.
1%.
Due to the low cost of materials and simple manufacturing process, it is likely to have a huge impact
on the solar cell market in the future.
However, for perovskite-type solar cells, the wavelength region of light that can be used to generate electricity is slightly biased towards the short wavelength region
.
For the current mainstream solar cells, silicon solar cells, long-wavelength visible light and near-infrared rays are more conducive to power generation
.
Therefore, the researchers believe that by combining the two, a wider range of wavelengths of light and near-infrared can be used, and solar cells with far greater efficiency than existing silicon-based solar cells
can be achieved.
One of the first attempts to combine the two was MIT.
MIT has trial-produced solar cells with a series structure of perovskite solar cells in the top unit and monocrystalline silicon solar cells
in the bottom unit.
MIT believes that the trial production of series structure solar cells still has room for development, if the optimization technology is used to make each solar cell achieve the highest efficiency, then the conversion efficiency of this series structure solar cell will reach 29%.
