Organic solar cell technology is seen as the next generation of the sector, but the challenges of the longevity and efficiency were stumbling in the blocks in marketing.
However, a conversation Ticket By international researchers showed promising results to extend their age while improving energy transformation efficiency, as a file a report Share the National Institute of Science and Technology.
The team, led by Professor Bongsu Kim of the Chemistry Department at the National Institute of Science and Technology in South Korea, has found that by integrating the liaison through the design of organic solar cells, age can be improved by more than 59 %.
A crossing It is a series of links that can improve the stability and elasticity of polymer chains. Despite the exploration of previous cross -correlation strategies, the report indicated that “excessive amounts often led to a decrease in battery efficiency.”
In their tests, the researchers found that a cross link of six of the Azid showed super -stable effects with the minimum added quantities, which led to a theoretical efficiency of 96 % cross -linking, in the report. This improves the traditional methods that used two units and four units of the Azid.
After testing these improved organic optical cells, the researchers managed to show the efficiency of energy conversion by 11.7 % after exposure to 185 degrees Fahrenheit for 70 days.
The report also indicated that they kept 93.4 % of their initial efficiency, while the cells “without the interrupted link witnessed a decrease in efficiency to 8.17 %, which represents only 58.7 % of the primary efficiency of 13.92 %. This indicates an improvement in more than 59 % of the length of performance.”
Organic solar cells are among the best to produce thin devices of movies, which can open the field of solar energy collection for more applications, including flexible designs and semi -transparent windows covers.
With the addition of more solar energy to the network, the costs decrease, which makes electricity bills more acceptable for many, while some can completely eliminate them. The cost of electricity from solar energy has already decreased 85 % Between 2010 and 2020.
Dirty fuel burning is responsible for 75 % From emissions aimed at the planet and 90 % of carbon dioxide launched in the air, so we need to turn into more sustainable alternatives.
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To avoid the worst effects of climate change, United Nations He says we need to reduce emissions by half by 2030 and reach zero zero by 2050, and the development of the most flexible organic solar cell technology can play a big role in achieving this.
“We have successfully addressed chronic stability problems in organic solar cells by developing highly efficient images linking and comprehensive investigations in their mechanisms,” Kim, Kim. Make up.
“This research will significantly contribute to developing stability promotion techniques to market [organic photovoltaics]”Kim Add.
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