Efficiency Study of PbTe/CdTe Core/Shell Quantum Dots Solar Cells
DOI:
https://doi.org/10.5433/1679-0375.2021v42n1p97Keywords:
Quantum dots. Solar cell, Efficiency, Geometry, Kane-Dimmok HamiltonianAbstract
In this work we theoretically study how to optimize the efficiency of an intermediate band solar cell based on IV-VI PbTe/CdTe semiconductor materials. We focus our attention on how control structural parameters, such as the height and radius in cylindrical quantum dots and the radius in spherical quantum dots to obtain the inter and intraband transition energies that provide the highest efficiency values of the solar cell. The calculation of the energy levels, the selection rules for transitions energies were performed using the 4×4 k.p Kane-Dimmok Hamiltonian.Metrics
References
GOODWIN, H.; JELLICOE, T. C.; DAVIS, N. J. L. K.; BÖHM, M. L. Multiple exciton generation in quantum dot-based solar cells, Nanophotonics, Berlin, v. 7, n. 1, p. 111–126, 2018.
JEEVANANDAM, J,; BALU, S. K.; ANDRA, S.; DANQUAH, M. K.; VIDYAVATHI, M., MUTLALAGU, M.; Quantum dots synthesis and application, In: MUBARAK, N. M.; KALID M., WALVEKAR, R.; NUMAN, A. (eds), Contemporary nanomaterials in material Engineering applications, Engineering materials. Springer, 2020.
KABALAN, A. A.; SINGH., P.; CdTe/PbTe superlattice modeling and fabrication for solar cells applications, Journal of Nano Research, v. 48, p. 125-137, 2017.
KANG, I.; WISE, F. W.; Electronic structure and optical properties of PbS and PbSe quantum dots, Journal of the Optical Society of America B, v. 14, n. 7, 1997.
MELLOR, A.; LUQUE, A.; TOBÍAS, I.; MARTÍ, A.; A numerical study into the influence of quantum dot size on the sub-bandgap interband photocurrent in intermediate band solar cells, AIP Advances, v. 3, p. 22116, 2013.
PRADO, S. J. VILLEGAS-LELOVSKY, L., ALCALDE, A. M., LOPEZ-RICHARD, V., MARQUES, G. E. Magneto-optical properties in IV-VI lead-salt semimagnetic nanocrystals. Nanoscale Research Letters, v. 7, p. 374, 2012.
PRADO, S. J.; MARQUES, G. E.; ALCALDE, A. M.; Photovoltaic efficiency of intermediate band solar cells based on CdTe/CdMnTe coupled quantum dots. J. Phys.: Condens. Matter, [S. l.], v. 29, p. 445301, 2017. DOI: https://doi.org/10.1088/1361-648X/aa85c7.
PRADO, S. J. Study of the optical properties in charged CdTe quantum dots. Semina: Exact and Technological Sciences, v. 41, n. 1, p. 205-2010, 2020. DOI: https://doi.org/10.5433/1679-0375.2020v41n2p205.
TUDURY, G. E.; MARQUEZINI, M. V.; FERREIRA, L. G.; BARBOSA, L. C.; CESAR, C. L.; Effect of band anisotropy on electronic structure of PbS, PbSe, and PbTe quantum dots, Physical Review B, v. 62, p. 7357, 2000.
ZIHAN, C.; ZHILONG, Z.; JIANFENG, Y.; WEIJAN, C.; ZHI, L. T.; DIAN, W.; LIN, Y.; JIANBING, Z.; JOHN, S.; GAVIN, J. C.; ROBERT, J.; PATTERSON, S. Improving carrier extraction in a PbSe quantum dot solar cell by introducing a solution-processed antimony-doped SnO2 buffer layer. Journal of Materials Chemistry C, Cambridge, v. 37, p. 9861-9866, 2018.
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