V-Shaped Solar Cells Improve Efficiency
15 January 2008, 17:24
Categories: smt-energy-photovoltaic
Peter Peumans, a scientist at Stanford University, and his colleagues have discovered a technique to increase solar cell efficiency by 52%: v-shaped cells. Peumans explained that most organic solar cells are made on planar substrates. “When the light hits it, there is only one bounce – only one chance for the light to be absorbed.” The v-shape, he continued, creates an environment in which the light can bounce around. “Every time the light bounces, it has a chance to be absorbed into the cell.”
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