(Yahoo!News) Solar photovoltaics can generate clean electricity, but until recently one major barrier to greater adoption is the fact that solar panels have been prohibitively expensive.
In recent years there have been technological advances in photovoltaic cells' efficiency, and increased production has brought down their cost. But they remain relatively expensive in large part because fully half of the costly silicon wafers at the heart of solar cells are destroyed during production.
Now researchers at the Fraunhofer Institute for Solar Energy Research (ISE) in Freiburg, Germany, have developed a technology that cuts these losses in half and, at the same time, reduces fabrication energy costs by 80 percent.
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