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Proceedings Paper

Optical phonon decay in cubic semiconductors: a hot carrier solar cell picture
Author(s): Hugo Levard; Sana Laribi; Jean-François Guillemoles
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Paper Abstract

In the framework of hot-carrier solar cell absorber material design, we revisit the LO-phonon decay processes in a wide variety of III-V and group IV binary semiconductors. We present a detailed description of the two-phonon final states, from the exact dispersion relation calculated within the Density Functional Perturbation Theory formalism. We focus on the relation between Klemens surfaces features and atomic mass differences, and the importance of the Ridley channels in some group IV binaries.

Paper Details

Date Published: 7 March 2014
PDF: 8 pages
Proc. SPIE 8981, Physics, Simulation, and Photonic Engineering of Photovoltaic Devices III, 89810H (7 March 2014); doi: 10.1117/12.2039564
Show Author Affiliations
Hugo Levard, Institut de Recherche et Développement sur l'Energie Photovoltaïque (France)
Sana Laribi, Institut de Recherche et Développement sur l'Energie Photovoltaïque (France)
Jean-François Guillemoles, Institut de Recherche et Développement sur l'Energie Photovoltaïque (France)


Published in SPIE Proceedings Vol. 8981:
Physics, Simulation, and Photonic Engineering of Photovoltaic Devices III
Alexandre Freundlich; Jean-François Guillemoles, Editor(s)

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