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The Artificial Mixed Fused Quartz Particles and Silicon Particles-Assisted High-Performance Multicrystalline Silicon

1
College of Materials Science and Engineering, Nanjing Tech University, Nanjing 210009, Jiangsu, China
2
JA Solar Holdings Co., Ltd., Feng Tai District, Beijing 100160, China
*
Author to whom correspondence should be addressed.
Crystals 2019, 9(6), 286; https://doi.org/10.3390/cryst9060286
Received: 6 May 2019 / Revised: 26 May 2019 / Accepted: 28 May 2019 / Published: 1 June 2019
(This article belongs to the Section Crystalline Materials)
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Abstract

Mixed seeds of fused quartz particles and silicon particles were laid at the bottom of the crucible to assist the growth of multicrystalline silicon crystals. The full melting process was used, and then we found that the grown crystals had higher quality. The effect of mixed seeds on the growth of multicrystalline silicon was studied. The results showed that fine and uniform initial grains could be obtained by mixed seeds assisting the growth of crystals. Increasing the number of grain boundaries can better release thermal stress and inhibit the proliferation and diffusion of dislocations. The defect density of multicrystalline silicon decreased and the minority carrier lifetime increased, thus improving the conversion efficiency of multicrystalline silicon cells. View Full-Text
Keywords: fused quartz particles; silicon particles; mixed seeds; conversion efficiency fused quartz particles; silicon particles; mixed seeds; conversion efficiency
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Cai, Y.; Mi, C.; Huang, X. The Artificial Mixed Fused Quartz Particles and Silicon Particles-Assisted High-Performance Multicrystalline Silicon. Crystals 2019, 9, 286.

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