CORDIS Project
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This project aims to overcome the efficiency limits of traditional solar cells by developing a solar-powered laser that operates at low solar concentrations. This innovation could enable new applications in nonlinear optics and improve energy conversion in photovoltaic systems.
The Shockley Queisser limits the efficiency of single junction solar cells and sets the maximum efficiency for Si solar cells at about 30%.
The limit is imposed because of two constraints.
First, the energy a solar cell generates from each conversion event is approximately maximized by its bandgap, irrespective of the incoming photon energy.
Thus, energetic photons lose most of their energy to heat in the solar cell.
Second, a solar cell cannot harness photons at wavelengths longer than its band…
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