Seoul, KOREA ¶ Feb 28, 2012 (Whowired) --Korean researchers have developed “paper solar cell,” applying the structure of traditional Korean pattern of wood framed door and hanji paper concept. It is considered the breakthrough technology that can push the solar voltaic industry a notch upward to explore a new market of solar cell, drawing attention from scientific circles at home and abroad.
The research team led by Dr. Lee (Lee Dong-yoon and Cha Seung-il) at Korea Electrotechnology Research Institute made the announcement on the 28th that they have combined nano and fiber technologies to come up with light and flexible but low priced dye-sensitized solar cell. It has the durability and permeability with distinctive traditional Korean pattern but overcomes the limit of thin film solar cell which cannot be folded. Therefore, it doesn’t need to have the land to install the solar panels or abide by the strict environmental regulations, or be threatened by Chinese “price war.”
It has also gone a step further from the previously “flexible” solar cell which also had its limit in flexibility due to its base material. The new paper solar cell is expected to be applied in mobile devices or exteriors of buildings, or can be worn or detachable in clothes, opening a new chapter of solar cells.
Unlike the previous dye-sensitized solar cell, new type of paper solar cell uses longer fiber type of nano titania to make traditional hanji like paper which is very flexible and durable. To eradicate plastic substrate, they had also developed conductible metal mesh with the pattern of Korean wood framed door. Finally they attached glass paper to maintain the strength of the solar cell and to fixate electrode liquid.
When it is mass produced, the price of paper solar cell will be less than half of the current Si solar cell but the efficiency level will reach 5%, far beyond the commercialization level of 3%.
Jeansun Kim (firstname.lastname@example.org)
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