Well, once you start looking at the options with solar energy things look pretty rosy right? I mean in ten years from now a third of the produced energy will be solar or otherwise green ( wind power, biomass… ). Most building will be energy self suficient with those fancy dyes on every window and spray-on solar cells everywhere. Right? Well not quite. Everything looks fine until you realize that to produce solar cells NF3 is used. NF3 or nitrogen trifluoride is a gas thats used in the production of LCD displays and solar cells. Unfortunately it is also a very potent green house gas.
Fortunately The Linde Group a world leading producer of gasses has found out that NF3 can be replaced with fluorine gas. Fluorine has no effect on the green house effect and its readily available. On top of that it also speeds the production process thus lowering the costs of solar cells altogether.
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