14 March 2016 Third generation hot carrier solar cells: paths towards innovative energy contacts structures
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Abstract
The hot carrier solar cell is a very promising clean energy technology, with the potential to achieve high conversion yields with constrained costs. Due to the hot carrier effect, the estimation of the achievable voltage needs some theoretical developments. The classical approach is to consider isentropic energy selective contacts, converting the excess of kinetic energy of the hot carriers into electrical potential energy. Here we show the differences between the ideal case of isentropic contacts and the more realistic one, with an output voltage of the cell depending on the transmission function. We particularly emphasize the importance of the transmission function of the contact on both output current and output voltage, modifying thereby the classical view of the output power dependence on the transmission function.
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Francois Gibelli, Francois Gibelli, Anatole Julian, Anatole Julian, Zacharie Jehl Li Kao, Zacharie Jehl Li Kao, Jean-François Guillemoles, Jean-François Guillemoles, "Third generation hot carrier solar cells: paths towards innovative energy contacts structures", Proc. SPIE 9743, Physics, Simulation, and Photonic Engineering of Photovoltaic Devices V, 97430S (14 March 2016); doi: 10.1117/12.2213562; https://doi.org/10.1117/12.2213562
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