Enhanced friction and shock sensitivities of hexachlorodisilane hydrolyzed deposit mixed with KOH

Nguyen, Thanh-Trung; Lin, Yu-Jhen; Lin, Zhixuan; Tai, Hui-Chu; Tsai, Hsiao-Yun; Chen, Jenq-Renn; Ngai, Eugene Y.

doi:10.1016/j.jlp.2021.104455

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2023

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Siemens Reloaded: Chloride‐Assisted Selective Hydrodechlorination of SiCl₄ to HSiCl₃

et al. 2023

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Trichlorosilane is the key intermediate for the large-scale production of polycrystalline silicon in the Siemens and Union Carbide processes. Both processes, however, are highly inefficient, and over two thirds of the trichlorosilane employed is converted to unwanted silicon tetrachloride accumulating in millions of tons per year on a global scale. In this combined experimental and theoretical study we report an energetically and environmentally benign synthetic protocol for the highly selective conversion of SiCl 4 to HSiCl 3 using organohydridosilanes as recyclable hydrogen transfer reagents in combination with onium chlorides as efficient catalysts. We put the same protocol to further use demonstrating the quantitative conversion of higher oligosilane residues, which form as another unwanted and potentially hazardous byproduct of Siemens processes, to HSiCl 3 in a low-temperature recycling step.

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Siemens Reloaded: Chloride‐Assisted Selective Hydrodechlorination of SiCl₄ to HSiCl₃

et al. 2023

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Underwater ignition of hexachlorodisilane hydrolyzed deposit

Nguyen

Huang

Yan

et al. 2023

Actual Problems of Continuum Mechanics: Experiment, Theory, and Applications

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Enhanced friction and shock sensitivities of hexachlorodisilane hydrolyzed deposit mixed with KOH

Cited by 2 publications

References 20 publications

Siemens Reloaded: Chloride‐Assisted Selective Hydrodechlorination of SiCl₄ to HSiCl₃

Siemens Reloaded: Chloride‐Assisted Selective Hydrodechlorination of SiCl₄ to HSiCl₃

Underwater ignition of hexachlorodisilane hydrolyzed deposit

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Enhanced friction and shock sensitivities of hexachlorodisilane hydrolyzed deposit mixed with KOH

Cited by 2 publications

References 20 publications

Siemens Reloaded: Chloride‐Assisted Selective Hydrodechlorination of SiCl4 to HSiCl3

Siemens Reloaded: Chloride‐Assisted Selective Hydrodechlorination of SiCl4 to HSiCl3

Underwater ignition of hexachlorodisilane hydrolyzed deposit

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Product

Resources

About

Siemens Reloaded: Chloride‐Assisted Selective Hydrodechlorination of SiCl₄ to HSiCl₃

Siemens Reloaded: Chloride‐Assisted Selective Hydrodechlorination of SiCl₄ to HSiCl₃