Transport and recombination in solar cells: New perspectives

Gurevich, Yury G.; Logvinov, G. N.; Velázquez, J. E.; Titov, O. Yu.

doi:10.1016/j.solmat.2007.03.006

Cited by 10 publications

(2 citation statements)

References 11 publications

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“…Finally let us remark that if any external generation mechanism exists the situation will necessarily become more complex [6,9]. ACKNOWLEDGEMENT J.E.…”

Section: Discussionmentioning

confidence: 99%

Current-Voltage Characteristic of a p-n junction: Problems and solutions

Pérez

Gurevich

2010

2010 27th International Conference on Microelectronics Proceedings

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In both limiting cases of the strong and absence of bulk recombination the Shockley model of Current-Voltage Characteristic (CVC) of the p-n junction leads to unphysical results. The model needs to be properly modified and corrected. Some of the modifications are addressed in this communication. It is shown, in particular, that the Peltier effect strongly affects the CVC of p-n diodes weakly biased.

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“…Finally let us remark that if any external generation mechanism exists the situation will necessarily become more complex [6,9]. ACKNOWLEDGEMENT J.E.…”

Section: Discussionmentioning

confidence: 99%

Current-Voltage Characteristic of a p-n junction: Problems and solutions

Pérez

Gurevich

2010

2010 27th International Conference on Microelectronics Proceedings

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“…This phenomenon is not limited to pure electrical problems but is very general, since the nonequilibrium charge carriers created by several physical sources (photo-generation, for instance) will lead to similar situations that need to be described using the same model [10][11][12][13][14]. The last remark that must be made about the need for a correct modeling of recombination is that in devices operating under a strong excitation regime (the operation of solar cells lies in this regime) the importance of a correct formulation of the recombination terms is even more important [15,16].…”

Section: Introductionmentioning

confidence: 99%

New perspectives for photoelectric phenomena

Lashkevych¹,

Titov²,

Gurevich³

2016

Lith. J. Phys.

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The functioning of the solar cells (and photoelectric phenomena in general) relies on the photo-generation of carriers in p–n junctions and their subsequent recombination in the quasi-neutral regions. A number of basic issues concerning the physics of the operation of solar cells still remain obscure. This paper reports on some unsolved basic problems, namely: a model of the recombination processes that does not contradict Maxwell’s equations; boundary conditions; the role played by space charges in the transport phenomena, and the formation of quasi-neutral regions under the presence of nonequilibrium photo-generated carriers. In this work, a new formulation of the theory that explains the underlying physical phenomena involved in the generation of a photo-e.m.f. is presented.

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