Unlike gold and silver, the aluminum studs showed the ability to deflect incoming photons without absorbing them (Image: Imperial College London)
The electric current gains could be as high as 22 percent (Image: Imperial College London)
Aluminum studs on top of a PV panel could boost the efficiency of any solar cell design (Image: Imperial College London)
A team of researchers at Imperial College London has found that attaching an array of cylindrical aluminum studs on top of a solar cell can dramatically improve the amount of light trapped inside its absorbing layer, leading to electrical current gains as high as 22 percent.
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