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Somenath Mitra, PhD, is among a group of NJIT researchers working to develop an inexpensive, easy process to produce solar panels.  (Source: New Jersey Institute of Technology)
Scientists say the plastic panels could be cranked out at home with an inkjet printer

Researchers at the New Jersey Institute of Technology (NJIT) claim to have developed an inexpensive solar cell that can be painted or printed on flexible plastic sheets.

In a release prepared by the University, researcher Somenath Mitra, PhD, stated, "Someday homeowners will even be able to print sheets of these solar cells with inexpensive home-based inkjet printers. Consumers can then slap the finished product on a wall, roof or billboard to create their own power stations."  Mitra is a professor and acting chair of NJIT's Department of Chemistry and Environmental Sciences.

Purified silicon, the same core material used for fabricating computer chips, is required for making conventional photovoltaic cells, which convert sunlight into electricity. The material is costly, difficult to handle and manufacture, and as a result, it is also subject to shortages. The NJIT research is focused on replacing purified silicon organic solar cells based on polymers.

Not only would such materials be vastly cheaper than silicon-based PV cells, they would also be significantly easier to use in a variety of ways. "Imagine someday driving in your hybrid car with a solar panel painted on the roof, which is producing electricity to drive the engine. The opportunities are endless," Mitra said.

The solar cell developed at NJIT uses a carbon nanotubes complex, combined with carbon "Buckyballs," or fullerenes. Together, these nanomaterials form snake-like structures using Buckyballs to trap electrons generated by polymers exposed to sunlight. Nanotubes are used to conduct the electrons, creating a flowing current.

Details of the process were described in the article "Fullerene single wall carbon nanotube complex for polymer bulk heterojunction photovoltaic cells," recently published in the Journal of Materials Chemistry by the Royal Society of Chemistry.

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RE: Where can I buy one?
By masher2 on 7/25/2007 1:37:54 PM , Rating: 3
Carbon nanotubes are what, $500/gram today? Cheap solar cells may eventually be built from them one day, but I agree-- don't hold your breath.

RE: Where can I buy one?
By Spivonious on 7/25/2007 2:58:44 PM , Rating: 2
Supply and demand Michael, supply and demand.

RE: Where can I buy one?
By Ringold on 7/25/2007 3:47:58 PM , Rating: 2
We'd all like a personal Cessna Mustang or Citation for the cost of a Honda Civic too, but demand can't do anything if the technology is half a lifetime away from meeting demand at that point with the supply curve.

One day we'll be able to print spare kidney's on demand and install them ourselves too I'm sure. In the mean time, the blood banks are in crisis.

RE: Where can I buy one?
By HVAC on 7/25/2007 11:06:18 PM , Rating: 2
Aren't carbon nanotubes toxic?

RE: Where can I buy one?
By TomZ on 7/25/2007 4:48:28 PM , Rating: 1
Supply and demand Michael, supply and demand.

Demand can't make the impossible possible, however, nor can it magically cause technological breakthroughs.

RE: Where can I buy one?
By AndreasM on 7/25/2007 8:25:01 PM , Rating: 2
$60 to $100 per gram for the higher quality stuff. Three to five times as expensive as gold. :P

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