Structural features and electrical properties of si(al) thermal migration channels for high-voltage photovoltaic converters
- Authors: Lomov A.A.1, Seredin B.M.2, Martyushov S.Y.3, Tatarintsev A.A.1, Popov V.P.2, Malibashev A.V.2
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Affiliations:
- Valiev Institute of Physics and Technology of Russian Academy of Sciences
- Platov South Russian State Polytechnic Institute (NPI)
- Technological Institute for Superhard and Novel Carbon Materials
- Issue: Vol 53, No 2 (2024)
- Pages: 119-131
- Section: ДИАГНОСТИКА
- URL: https://journals.rcsi.science/0544-1269/article/view/262672
- DOI: https://doi.org/10.31857/S0544126924020018
- ID: 262672
Cite item
Abstract
The results of a study of the structural features and electrical properties of Si(Al) through thermomigration p-channels in a silicon wafer are presented. Structural studies were performed using X-ray methods of projection topography, diffraction reflection curves and scanning electron microscopy. It is shown that the channel-matrix interface is coherent without the formation of mismatch dislocations. The possibility of using an array of thermomigration p-channels of 15 elements to form a monolithic photovoltaic solar module in a Si(111) silicon wafer based on p-channels with a width of 100 microns with walls in the plane is shown. The monolithic solar module has a conversion efficiency of 13.1%, an idle voltage of 8.5 V and a short-circuit current density of 33 mA/cm².
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About the authors
A. A. Lomov
Valiev Institute of Physics and Technology of Russian Academy of Sciences
Author for correspondence.
Email: lomov@ftian.ru
Russian Federation, Moscow
B. M. Seredin
Platov South Russian State Polytechnic Institute (NPI)
Email: lomov@ftian.ru
Russian Federation, Novocherkassk
S. Yu. Martyushov
Technological Institute for Superhard and Novel Carbon Materials
Email: lomov@ftian.ru
Russian Federation, Troitsk
A. A. Tatarintsev
Valiev Institute of Physics and Technology of Russian Academy of Sciences
Email: lomov@ftian.ru
Russian Federation, Moscow
V. P. Popov
Platov South Russian State Polytechnic Institute (NPI)
Email: lomov@ftian.ru
Russian Federation, Novocherkassk
A. V. Malibashev
Platov South Russian State Polytechnic Institute (NPI)
Email: lomov@ftian.ru
Russian Federation, Novocherkassk
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