Modelling Study of Magnetic Field’s Effects on Solar Cell’s Transient Decay

Mbodji, Senghane; Zoungrana, M.; Zerbo, Issa; Dieng, Biram; Sissoko, G.

doi:10.4236/wjcmp.2015.54029

Cited by 11 publications

(5 citation statements)

References 12 publications

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“…Therefore, to bridge this gap, we undertaken a study on an N-P polycristalline silicon solar cell considering the columnar cylindrical grains orientation. Hence, considering the back-side surface recombination velocity (Sb) and the dynamic junction velocity (SF) [5], we determine the temperature effect on the performance of the current-voltage density characteristic, the open circuit voltage, the fill factor, the efficiency and the short circuit current density of the considered solar cell. Additionally, we studied the temperature coefficients (T-coefficients) of these parameters.…”

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confidence: 99%

“…These limitations are mainly due to the recombination phenomena [1] [4] [5] [6] [7] [8], the ohmic losses [9], the type of semi-conductors [9], the tracking angle [3] [10], the manufacturing technologies and process [1] and the environmental conditions [3] [9] [11] which include the light intensity, the temperature, the wind, the dust, the humidity, the ultraviolet rays, the shading, the seasonal variations, the latitude, the cloudiness, the air pollution, the albedo of earth, the rain, the breeze, the tilt angle, etc.…”

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confidence: 99%

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Analysis of T-Coefficients Using the Columnar Cylindrical Orientation of Solar Cell Grain

Leye¹,

Fall²,

Mbodji³

et al. 2018

SGRE

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We report the study of the temperature dependance of the performance electronic parameters of an N-P solar cell by considering as model, the columnar cylindrical orientation associated to the dynamic junction velocity (SF) concept. We presented the photocurrent-photovoltage (I-V) and Power-photovoltage (P-V) characteristic curves. The short-circuit photocurrent (I sc ), the open circuit photovoltage (U oc ), the fill factor (FF) and the efficiency (η) are linearly dependent on the temperature. The temperature coefficients (T-coefficient) relative to the short-circuit, open-circuit photovoltage and efficiency are calculated and the comparison with data from the literature showed the accuracy of the considered model.

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confidence: 99%

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confidence: 99%

Analysis of T-Coefficients Using the Columnar Cylindrical Orientation of Solar Cell Grain

Leye¹,

Fall²,

Mbodji³

et al. 2018

SGRE

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“…Moreover, the relaxation phenomena described in [30], combined with the annihilation of excitons and the short lifetime of excitons, make the study of excitonic phenomena in semiconductors complex. The fact that excitons are very much in the minority compared to free charge carriers causes most researchers to neglect them in their papers [31,32,33]. While authors like M. Faye [34], S. Zh.…”

Section: Fig 2 Internal Conversion Of the Excitation Energy Of An Ele...mentioning

confidence: 99%

Study of the Effect of Exciton Annihilation Lifetime on Some Kinematic and Intrinsic Parameters of a Silicon Heterojunction Solar Cell (HIT), Illuminated by Monochromatic Light

Ngom,

Badiane,

Faye

et al. 2024

Phys. Sci. Int. J.

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In this article, with a view to improving the efficiency of photovoltaic cells, and given the promising yields of silicon heterojunction photovoltaic cells, we have, using a silicon heterojunction cell (a-Si:H/c-Si) doped with (n+p) , studied the contribution of excitons to the internal quantum efficiency of charge carriers. We then developed a detailed explanation of the energy conversion phenomena, based on an exciton-exciton annihilation process, which allows the electrons of quasiparticles to retain some of their energy. We used a numerical method for solving the charge carrier transport equations and carried out some additional calculations, which enabled us to obtain some results. These results then enabled us to study the influence of the annihilation lifetime on the charge carrier photo-current density, leading to internal charge carrier quantum yields of between 29.29768% and 77.8525%.

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“…Efficiency [8] is the ratio between the maximum electrical power supplied by the photopile and the power of the incident luminous flux received by this photopile.…”

Section: Theorymentioning

confidence: 99%

3-D Modeling of a Polycrystalline Silicon Solar Cell Under Polychromatic Illumination: Effects of the Grain Size and the Recombination Velocity at the Boundaries

Sene¹,

Diao²,

Faye³

et al. 2021

AJMP

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In this paper, a three-dimensional study on a polycrystalline silicon solar cell under polychromatic illumination in an instational regime. The influence of grain size, recombination velocity at the grain boundaries on the density of the minority carriers of a silicon solar cell, is presented. Based on the continuity equation of the minority carriers in the solar cell base, the expressions of the photocurrent density and the photovoltage in function of the grain size, the recombination velocity, are deduced. The continuity equation of the carriers has been solved by a numerical method with boundary conditions and physical constants fixed in relation to our reference model. The influence of time t on the density of the carriers and on the electric power was presented in this work also. The electrical voltage and current were studied according to the recombination velocity. The conversion efficiency according to the grain size and also presented an assessment of the performance of our model of study. The expressions of the output power and the energy conversion of the solar cell, are determined in order to optimize its functional state. We recall that, the objective is to make a numerical resolution, making fewer simplifying hypotheses so that the study is closer to reality compared to other methods of resolution.

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Modelling Study of Magnetic Field’s Effects on Solar Cell’s Transient Decay

Cited by 11 publications

References 12 publications

Analysis of T-Coefficients Using the Columnar Cylindrical Orientation of Solar Cell Grain

Analysis of T-Coefficients Using the Columnar Cylindrical Orientation of Solar Cell Grain

Study of the Effect of Exciton Annihilation Lifetime on Some Kinematic and Intrinsic Parameters of a Silicon Heterojunction Solar Cell (HIT), Illuminated by Monochromatic Light

3-D Modeling of a Polycrystalline Silicon Solar Cell Under Polychromatic Illumination: Effects of the Grain Size and the Recombination Velocity at the Boundaries

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