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JOURNALS // Computational nanotechnology // Archive

Comp. nanotechnol., 2018 Issue 1, Pages 155–157 (Mi cn175)

PLASMA, HIGH-FREQUENCY, MICROWAVE AND LASER TECHNOLOGY

Expansion of the effective absorption spectrum in solar cells with nanoinclusions

T. A. Djalalova, E. Z. Imamova, R. A. Muminovb, R. Kh. Rakhimovc

a Tashkent University of Information Technologies
b Physical-Technical Institute, «Physics-Sun» Uzbekistan Academy of sciences
c Institute of materials science, «Physics-sun» Uzbekistan Academy of sciences

Abstract: The possibility of expanding the effective absorption spectrum in noncrystalline solar cells using nanoinclusions is shown in the work. The effect of deep centers of local impurities and defects on the expansion of the effective absorption spectrum in solar cells based on a new contact structure is investigated. For example, expansion into the infrared region is due to absorption in impurity centers, and absorption into the ultraviolet region is due to the thermalization process of the resulting electron-hole pairs. the main difference between the proposed structure is that the appearance of electron-hole pairs arises in a region with an integrated electrostatic field. This factor significantly reduces the influence of recombination processes.

Keywords: impurity absorption, expansion of the spectrum, increase in efficiency, noncrystalline substrate, nanoinclusions.



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