Ryan M. France

National Renewable Energy Laboratory — United States

Engineering · Physical Sciences

33h-index6.7kcitations147works1.62yr avg
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Research Topics

solar cell performance optimization(102), Semiconductor Quantum Structures and Devices(65), Chalcogenide Semiconductor Thin Films(60), Nanowire Synthesis and Applications(26), Thermal Radiation and Cooling Technologies(20)

Publications147 total

Narrow bandgap cells for far- and near-field thermophotovoltaics
2025
Charge carrier extraction and recombination effects in GaInAs/GaAsP multi-quantum well solar cells
Journal of Applied Physics·2025Open Access
Junction Temperature Measurements in InGaAs 1064 nm Laser Power Converters
2025
Metamorphic epitaxy solutions for thermophotovoltaic and laser power conversion applications
2025
Eye-safe 1.5 and 2.0 micron laser power conversion using metamorphic InGaAs photovoltaic devices
2025
1.1 eV GaInAs cell development for dual-use solar and 1070 nm laser power converters
2025· 1 cited
Large area near-field thermophotovoltaics for low temperature applications
2025· 3 cited
Suppression of phase separation in AlGaInAs compositionally graded buffers for 1550 nm photovoltaic converters on GaAs
Journal of Applied Physics·2025· 2 citedOpen Access
GaAs Solar Cells Grown Directly on V-Groove Si Substrates
ACS Applied Materials & Interfaces·2024· 4 citedOpen Access
Large Area Near‐Field Thermophotovoltaics for Low Temperature Applications
Advanced Materials·2024· 7 citedOpen Access
Suppression of Phase Separation in AlGaInAs Compositionally Graded Buffers for 1550 nm Photovoltaic Converters on GaAs
arXiv (Cornell University)·2024Open Access
Large Area Near-Field Thermophotovoltaics for Low Temperature Applications
arXiv (Cornell University)·2024Open Access
Dual-Use Laser and Solar Photovoltaics: Three Concepts
2024
Measurement of Enhanced Near-Field Thermophotovoltaic Power Density for a Large Area InAs Device
2024
1.1 eV GaInAs Cell Development for Dual-Use Solar and 1070 nm Laser Power Converters
2024
Sub‐0.6 eV Inverted Metamorphic GaInAs Cells Grown on Inp and GaAs Substrates for Thermophotovoltaics and Laser Power Conversion
Advanced Energy Materials·2024· 8 citedOpen Access
Sub-0.6 eV Inverted Metamorphic GaInAs Cells Grown on InP and GaAs Substrates for Thermophotovoltaics and Laser Power Conversion
arXiv (Cornell University)·2023Open Access
High Efficiency Multijunction Devices: Solar Cells, Thermophotovoltaics, LEDs
OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information)·2023Open Access
Doped GaInAs/GaP Quantum Well Superlattice Solar Cells With 27.5% Efficiency
IEEE Journal of Photovoltaics·2023· 1 citedOpen Access
<i>Operando</i> Temperature Measurements of Photovoltaic Laser Power Converter Devices Under Continuous High-Intensity Illumination
IEEE Journal of Photovoltaics·2023· 15 citedOpen Access
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Frequent Co-authors

John F. Geisz(26), Myles A. Steiner(25), Daniel J. Friedman(20), William E. McMahon(11), Andrew G. Norman(10), Iván García(10), Waldo Olavarria(9), Kevin L. Schulte(7), Michelle Young(7), Jas S. Ward(6), A. Duda(6), Aaron J. Ptak(6), Joseph M. Luther(4), Emmett E. Perl(4), J. M. Olson(4), Richard R. King(4), Kai Zhu(3), Matthew C. Beard(3), Joseph J. Berry(3), Michael D. McGehee(3)