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IBM Breakthrough Could Deliver Low-Cost Efficient Solar http://apocadocs.com/s.pl?1266418539
The process is based on a slurry (or ink) made of Cu2ZnSn(S,Se)4 in hydrazine, which can then be coated on any PV device. The final solution is comprised of both solid particles and liquid, both of which contain metal and chalcogen elements, which are the key to higher efficiencies. Getting these elements into both particle and liquid forms helps integrate them further into the final film, which boosts efficiency.
The other benefit is that the solution can be applied via ultra high throughput printing or coating techniques, which means high-efficiency devices could be produced for low costs at a large scale: the holy grail for solar energy.
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'Doc Jim says:
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Then, let's build a million specialized inkjet printers and produce a paper-sized PV substrate, and then sell us the cartridges! Slap-on solar!
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