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There's much research going on in solar panels.
First of all, scientists have found that nano coated carbon tubes will improve the efficiency of a solar panel by much!
There's plenty of carbon available in this world, only the process of applying it to the panel might be not too easy.
Second, there have been discoveries done on using plain white paper, with a carbon layer as background for solar panels. This is also based on nano technology, and still in the early stages, but it would cut back cost of the panels by at least 60%, as well as make it more environment friendly!
Third, there is research being done to improve solar panel efficiency. By increasing the density of the grid (the electric nerve system in the panel) they can increase performance, at only a slightly higher cost.
Fourth, also research being done to make solar panel backs flexible, so that instead of using glass, they can use plastic as the base for the panels.THat would make it possible, to reduce the thickness and weight of the panels, as well as make them flexible for say curved surfaces!
The only con to this research is that the efficiency of the panel drops; but then again, so does the price, and considerably!
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