scientists at rice university’s Center for Biological and Environmental Nanotechnology (CBEN) have made a breakthrough in cheaper solar cells: make them out of quantum dots. the breathrough comes through the use of quantum dots and the recipe for stable development of four legged quantum dots called tetrapods. quoting principle investigator Michael Wong:
“Our work knocks down a big barrier in developing quantum-dot-based photovoltaics as an alternative to the conventional, more expensive silicon-based solar cells.”
the essence of the new quantum dot recipe developed by CBEN produces quantum dots where more than 90 percent are tetrapods (which are many times more efficient at converting sunlight into electricity). the new process is cheaper and safer than previous methods too. read more on about this via rice university’s article. and you can read more information on quantum dots here via a 1999 article at lawrence livermore national labs.
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