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Proceedings Paper

Electrical characteristics and hot carrier effects in quantum well solar cells
Author(s): Dac-Trung Nguyen; Laurent Lombez; Francois Gibelli; Myriam Paire; Soline Boyer-Richard; Olivier Durand; Jean-François Guillemoles
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Paper Abstract

We report on the opto-electrical characterization of quantum-well solar cells designed for generation of hot carriers. Short-circuit current is proportional to laser power in the entire range. Population density, temperature and quasi-Fermi level splitting of photo-generated confined carriers are investigated by fitting the full luminescence spectra using generalized Planck’s law. The energy-dependent absorptivity is identified to obtain good fit accuracy and takes into account the absorption of excitons and free carriers in the quantum well. Furthermore, electrical injection and extraction across the barriers modify the temperature of the quantum well carrier population linearly, hinting at the role of barriers as semi-selective high-energy contact.

Paper Details

Date Published: 24 February 2017
PDF: 8 pages
Proc. SPIE 10099, Physics, Simulation, and Photonic Engineering of Photovoltaic Devices VI, 100990L (24 February 2017); doi: 10.1117/12.2251331
Show Author Affiliations
Dac-Trung Nguyen, Institut photovoltaïque d'Île-de-France (France)
IRDEP, CNRS-EDF-Chimie ParisTech (France)
Laurent Lombez, Institut photovoltaïque d'Île-de-France (France)
IRDEP, CNRS-EDF-Chimie ParisTech (France)
Francois Gibelli, IRDEP, CNRS-EDF-Chimie ParisTech (France)
Myriam Paire, Institut photovoltaïque d'Île-de-France (France)
IRDEP, CNRS-EDF-Chimie ParisTech (France)
Soline Boyer-Richard, Institut photovoltaïque d'Île-de-France (France)
FOTON-OHM, UMR 6082 CNRS-INSA (France)
Olivier Durand, Institut photovoltaïque d'Île-de-France (France)
FOTON-OHM, UMR 6082 CNRS-INSA (France)
Jean-François Guillemoles, Institut photovoltaïque d'Île-de-France (France)
IRDEP, CNRS-EDF-Chimie ParisTech (France)


Published in SPIE Proceedings Vol. 10099:
Physics, Simulation, and Photonic Engineering of Photovoltaic Devices VI
Alexandre Freundlich; Laurent Lombez; Masakazu Sugiyama, Editor(s)

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