Numerical modeling of photon recycling in solar cells

The incorporation of a detailed model for the photon recycling effect into an exact numerical solar cell simulation code is described. The commonly encountered radiative lifetime multiplication factor is shown to have both a spatial and bias point dependence. Example simulations show that photon rec...

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Bibliographic Details
Published in:IEEE transactions on electron devices 1994-02, Vol.41 (2), p.239-245
Main Authors: Durbin, S.M., Gray, J.L.
Format: Article
Language:English
Subjects:
140501 - Solar Energy Conversion- Photovoltaic Conversion
ABSORPTION
Applied sciences
BOSONS
COMPUTERIZED SIMULATION
CURRENTS
DIRECT ENERGY CONVERTERS
ELECTRIC CURRENTS
ELECTRICAL PROPERTIES
Electronics
ELEMENTARY PARTICLES
Exact sciences and technology
Gallium arsenide
LEAKAGE CURRENT
LIFETIME
MASSLESS PARTICLES
MATERIALS
MATHEMATICAL MODELS
Numerical models
Numerical simulation
Optical reflection
Optoelectronic devices
PHOTOELECTRIC CELLS
PHOTONS
PHOTOVOLTAIC CELLS
PHYSICAL PROPERTIES
Poisson equations
Radiative recombination
Recycling
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
SEMICONDUCTOR MATERIALS
SIMULATION
SOLAR CELLS
SOLAR ENERGY
SOLAR EQUIPMENT
SORPTION
Spontaneous emission
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Description
Summary:The incorporation of a detailed model for the photon recycling effect into an exact numerical solar cell simulation code is described. The commonly encountered radiative lifetime multiplication factor is shown to have both a spatial and bias point dependence. Example simulations show that photon recycling can significantly reduce the effective recombination current and thereby have a large effect on the open circuit voltage of a solar cell. Possible ways to capitalize upon this effect are discussed.< >
ISSN:0018-9383
1557-9646
DOI:10.1109/16.277372