Quality evaluation of diamond wire-sawn gallium-doped silicon wafers

Kyoung-Hee Lee (이경희)

doi:10.6111/JKCGCT.2013.23.3.119

Quality evaluation of diamond wire-sawn gallium-doped silicon wafers

Journal of the Korean Crystal Growth and Crystal Technology
Abbr : J. Korean Cryst. Growth Cryst. Technol.
2013, 23(3), pp.119-123
DOI : 10.6111/JKCGCT.2013.23.3.119
Publisher : The Korea Association Of Crystal Growth, Inc.
Research Area : Engineering > Materials Science and Engineering

Kyoung-Hee Lee ¹

¹동양미래대학교

Accredited

ABSTRACT

Most of the world’s solar cells in photovoltaic industry are currently fabricated using crystalline silicon. Czochralski-grown silicon crystals are more expensive than multicrystalline silicon crystals. The future of solar-grade Czochralski-grown silicon crystals crucially depends on whether it is usable for the mass-production of high-efficiency solar cells or not. It is generally believed that the main obstacle for making solar-grade Czochralski-grown silicon crystals a perfect high-efficiency solar cell material is presently light-induced degradation problem. In this work, the substitution of boron with gallium in p-type silicon single crystal is studied as an alternative to reduce the extent of lifetime degradation. The diamond-wire sawing technology is employed to slice the silicon ingot. In this paper, the quality of the diamond wiresawn gallium-doped silicon wafers is studied from the chemical, electrical and structural points of view. It is found that the characteristic of gallium-doped silicon wafers including texturing behavior and surface metallic impurities are same as that of conventional boron-doped Czochralski crystals.

KEYWORDS

Silicon, Czochralski, Diamond wire saw, Gallium doping, Quality evaluation

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* References for papers published after 2023 are currently being built.

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Journal of the Korean Crystal Growth and Crystal Technology 2023 KCI Impact Factor : 0.19

Quality evaluation of diamond wire-sawn gallium-doped silicon wafers

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Citation status

* References for papers published after 2023 are currently being built.

Journal of the Korean Crystal Growth and Crystal Technology 2023 KCI Impact Factor : 0.19

Quality evaluation of diamond wire-sawn gallium-doped silicon wafers

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* References for papers published after 2023 are currently being built.