Paper
24 February 2017 Electrical characteristics and hot carrier effects in quantum well solar cells
Dac-Trung Nguyen, Laurent Lombez, Francois Gibelli, Myriam Paire, Soline Boyer-Richard, Olivier Durand, Jean-François Guillemoles
Author Affiliations +
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.
© (2017) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Dac-Trung Nguyen, Laurent Lombez, Francois Gibelli, Myriam Paire, Soline Boyer-Richard, Olivier Durand, and Jean-François Guillemoles "Electrical characteristics and hot carrier effects in quantum well solar cells", Proc. SPIE 10099, Physics, Simulation, and Photonic Engineering of Photovoltaic Devices VI, 100990L (24 February 2017); https://doi.org/10.1117/12.2251331
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Cited by 3 scholarly publications.
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KEYWORDS
Quantum wells

Solar cells

Absorption

Luminescence

Solar energy

Thermodynamics

Applied physics

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