Development of silicon purification by strong radiation catalysis method

Chen Yingtian ¹ ^* Ho Tsohsiu ² Lim Chernsing ³ Lim Boon Han ³

文摘	Using a new type of solar furnace and a specially designed induction furnace, cost effective and highly efficient purification of metallurgical silicon into solar grade silicon can be achieved. It is realized by a new method for extracting boron from silicon with the aid of photo-chemical effect. In this article, we discussed the postulated principle of strong radiation catalysis and the recent development in practice. Starting from ordinary metallurgical silicon, we achieved a purification result of 0.12 ppmw to 0.3 ppmw of boron impurity in silicon by only single pass of a low cost and simple process, the major obstacle to make 'cheap' solar grade silicon feedstock in industry is thus removed
来源	Chinese Physics. B ,2010,19(11):118105-1-118105-7 【核心库】
DOI	10.1088/1674-1056/19/11/118105
关键词	silicon purification ; strong radiation catalysis ; boron removal ; solar furnace
地址	1. Southern University of Science and Technology, Shenzhen, 518055 2. Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing, 100190 3. Yangzhou University, Yangzhou, 225009
语种	英文
文献类型	研究性论文
ISSN	1674-1056
学科	物理学
文献收藏号	CSCD:4077501

参考文献共 8 共1页

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Development of silicon purification by strong radiation catalysis method