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Single-Seed Casting Large-Size Monocrystalline Silicon for High-Efficiency and Low-Cost Solar Cells

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To grow high-quality and large-size monocrystalline silicon at low cost, we proposed a single-seed casting technique.To realize this technique, two challenges-polycrystalline nucleation on the crucible wall and dislocation multiplication inside the crystal-needed to be addressed.Numerical analysis was used to develop solutions for these challenges.Based on an optimized furnace structure and operating conditions from numerical analysis, experiments were performed to grow monocrystalline silicon using the single-seed casting technique.The results revealed that this technique is highly superior to the popular high-performance multicrystalline and multiseed casting mono-like techniques.

single-seed castingmonocrystalline siliconpolycrystalline nucleationdislocation multiplicationmulti-crystalline silicon

Bing Gao、Satoshi Nakano、Hirofumi Harada、Yoshiji Miyamura、Takashi Sekiguchi、Koichi Kakimoto

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Research Institute for Applied Mechanics,Kyushu University,Kasuga,Fukuoka 816-8580,Japan

National Institute for Materials Science,Tsukuba,Ibaraki 305-0044 Japan

2015

工程科学(英文版)
中国工程院出版委员会

工程科学(英文版)

影响因子:0.226
ISSN:1672-4178
年,卷(期):2015.1(3)
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