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New iron molecule. Image source: Nils Rosemann
It is no longer news to generate electricity with metal, but to generate electricity with iron!
Because, in the past, rare and expensive metals, such as ruthenium, osmium, and iridium, were used to generate electricity, and how could iron, which is synonymous with cheap metals, do this?
Speaking of which, I have to thank the researchers at Lund University in Sweden for breaking through the cage of thinking, breaking the worldly prejudices, and successfully creating an iron molecule.
Surprisingly, the original purpose of the R & D personnel was to develop photocatalysts to produce fuel, and the development of solar cells to generate electricity is just one of the by-products.
So, what is the relationship between photocatalysts and solar cells?
The answer is that technological photocatalysts containing metal molecules can absorb sunlight and use their energy to make solar cells.
Why must it be iron, not others?
Kenneth Wärnmark, a professor of chemistry at Lund University in Sweden, explained that “iron is very common in the earth ’s crust, so it ’s cheap.” Prior to this, the iron-based molecules they developed had already proved their application in solar applications. potential. Therefore, using iron instead of expensive metals to generate electricity is undoubtedly the best choice.
Currently, iron molecules can be used to produce new types of photocatalysts for solar fuels, and open up other potential applications for iron molecules, for example as materials in light-emitting diodes (LEDs).
As for how long it will be practical for mass production. Kenneth Wärnmark said, "We believe it will take at least ten years."
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