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Problems Arising from Using KOH–IPA Etchant to Texture Silicon Wafers

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Abstract

Wet chemical processing of single-crystal silicon wafers, including their texturing, is a key process step in the fabrication of high-efficiency solar cells. Methods of texturing single-crystal silicon wafers used in solar cell technology have been studied. Optimal texturing parameters have been determined for test samples, and the most effective etchant for texturing, a KOH–isopropanol solution, has been found.

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ACKNOWLEDGMENTS

The authors thank the administrations of the Institute of Physics and Technology and Research and Production Center of Agricultural Engineering for enabling this research to be conducted.

Funding

This research was supported by the Ministry of Education and Science of Republic of Kazakhstan (projects nos. BR05236498, AP05133645, AP05133651, AP05130235) and AO Science Foundation (project no. 0355-18-GK).

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Authors and Affiliations

  1. Satbayev University, Institute of Physics and Technology, 050013, Almaty, Kazakhstan

    N. A. Chuchvaga, N. M. Kislyakova, N. S. Tokmoldin, B. A. Rakymetov & A. S. Serikkanov

  2. Scientific Production Center of Agricultural Engineering, LTD, 050005, Almaty, Kazakhstan

    N. A. Chuchvaga & N. S. Tokmoldin

  3. Al-Farabi Kazakh National University, 050040, Almaty, Kazakhstan

    N. S. Tokmoldin

Authors
  1. N. A. Chuchvaga
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  2. N. M. Kislyakova
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  3. N. S. Tokmoldin
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  4. B. A. Rakymetov
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  5. A. S. Serikkanov
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Corresponding author

Correspondence to N. A. Chuchvaga.

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The authors declare that they have no conflicts of interest.

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Translated by V. Isaakyan

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Chuchvaga, N.A., Kislyakova, N.M., Tokmoldin, N.S. et al. Problems Arising from Using KOH–IPA Etchant to Texture Silicon Wafers. Tech. Phys. 65, 1685–1689 (2020). https://doi.org/10.1134/S1063784220100047

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  • DOI: https://doi.org/10.1134/S1063784220100047

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