[PDF]    http://dx.doi.org/10.3952/physics.v55i4.3233

Open access article / Atviros prieigos straipsnis

Lith. J. Phys. 55, 342351 (2015)

Igor Lashkevycha, Oleg Yu. Titovb, and Yuri G. Gurevichc
aInstituto Politécnico Nacional, UPIITA, Av. IPN, No. 2580, col. La Laguna Ticoman, del. Gustavo A. Madero, 07340 Mexico, D. F., Mexico
E-mail: i32555@gmail.com
bInstituto Mexicano del Petróleo, Eje Central Lázaro Cárdenas 152, 07730 Mexico, D. F., Mexico
E-mail: oleg.titov@gmail.com
cDepartamento de Física, CINVESTAV-IPN, Apdo Postal, 14-740, 07000 Mexico, D. F., Mexico
E-mail: gurevich@fis.cinvestav.mx

Received 31 August 2015; accepted 29 September 2015

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.
Keywords: photoelectric phenomena, solar cells, Dember effect, transport equations, recombination, nonequilibrium
PACS: 72.20.Jv; 72.10.Bg; 78.56.-a


Igor Lashkevycha, Oleg Yu. Titovb, Yuri G. Gurevichc
aNacionalinis politechnikos institutas, Meksikas, Meksika
bMeksikos naftos institutas, Meksikas, Meksika
cCINVESTAV-IPN Fizikos departamentas, Meksikas, Meksika

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