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Latest Technology of Eco-friendly Thin-film Solar Cells
Recently, the Korea Institute of Materials Science (KIMS) has announced on November 20 that its research team, led by Dr. Jung Yong-soo who has developed a technology to make eco-friendly thin-film silicon solar cells. This solar cell is using without toxic gases such as diborane or phosphine.
The purpose of these toxic gases is usually used to produce the p-type, n-type, and light absorption layers in existing thin-film solar cells. Suppose if people work 8 hours a day, then people should not be exposed to more than 0.3ppm of these gases. As a carcinogen, phosphine is believed to cause respiratory tract damage or neurological damage.
Dr. Jung Yong-soo’s research team has developed new method that does not utilize toxic gases instead of that they replacing the p-type and n-type layers with those of metallic oxides and electrodes. Especially this technology can be used for the LCD-producing equipment.
This method was confirmed that light stability had more than doubled with the new technology. The newly-developed thin-film silicon solar cell’s optical conversion efficiency is remains in the range of 8%, falling short of 10% efficiency in the conversion of sunlight into electricity for commercialization.
Dr. Jung has given the statement about the latest solar technology that is, it is an original one that can solve existing problems and so including our research team is helpful to conducting a follow-up study to increase the optical conversion efficiency by 10% and possibly more with a new method and new materials.”
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