Raman Spectroscopy Characterization of Dissolved Polysilicon Byproduct SiCl4 in Ionic Liquids

Silicon tetrachloride (SiCl4) is the main byproducts of the polysilicon industries. The dissolution behaviors of SiCl4 in imidazolium ionic liquid, including [Bmim]OTf, [Bmim]NTf2, [Hmim]NTf2, and [Omim]NTf2, were investigated for recycling Si from SiCl4. Raman spectroscopy was used to understand th...

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Main Authors: Cheng Cheng, Chenglong Zhang, Jiachao Jiang, En Ma, Jianfeng Bai, Jingwei Wang
Format: Article
Language:English
Published: Wiley 2018-01-01
Series:Journal of Spectroscopy
Online Access:http://dx.doi.org/10.1155/2018/2329189
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author Cheng Cheng
Chenglong Zhang
Jiachao Jiang
En Ma
Jianfeng Bai
Jingwei Wang
author_facet Cheng Cheng
Chenglong Zhang
Jiachao Jiang
En Ma
Jianfeng Bai
Jingwei Wang
author_sort Cheng Cheng
collection DOAJ
description Silicon tetrachloride (SiCl4) is the main byproducts of the polysilicon industries. The dissolution behaviors of SiCl4 in imidazolium ionic liquid, including [Bmim]OTf, [Bmim]NTf2, [Hmim]NTf2, and [Omim]NTf2, were investigated for recycling Si from SiCl4. Raman spectroscopy was used to understand the combination between the ionic liquid and SiCl4, and the conductivity of ionic liquids in different conditions was determined. The results indicated that [Bmim]NTf2 exhibited a better SiCl4 dissolving capacity compared to [Bmim]OTf, longer alkyl chain lengths in the imidazolium cations of the ionic liquids exhibited a better performance in dissolving SiCl4, and [Bmim]NTf2 : PC = 1 : 2 exhibited the best conductivity. In addition, molecular bondings between C-Cl, Si-O-Si, and C-Si were formed between the ionic liquids and SiCl4.
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id doaj-art-81a8b6ac3f5b4d0f9462f87b2ab89954
institution Kabale University
issn 2314-4920
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language English
publishDate 2018-01-01
publisher Wiley
record_format Article
series Journal of Spectroscopy
spelling doaj-art-81a8b6ac3f5b4d0f9462f87b2ab899542025-02-03T07:24:42ZengWileyJournal of Spectroscopy2314-49202314-49392018-01-01201810.1155/2018/23291892329189Raman Spectroscopy Characterization of Dissolved Polysilicon Byproduct SiCl4 in Ionic LiquidsCheng Cheng0Chenglong Zhang1Jiachao Jiang2En Ma3Jianfeng Bai4Jingwei Wang5WEEE Research Center of Shanghai Polytechnic University, Shanghai 201209, ChinaWEEE Research Center of Shanghai Polytechnic University, Shanghai 201209, ChinaSchool of Environment Science and Spatial Informatics, China University of Mining and Technology, Xuzhou 221116, ChinaWEEE Research Center of Shanghai Polytechnic University, Shanghai 201209, ChinaWEEE Research Center of Shanghai Polytechnic University, Shanghai 201209, ChinaWEEE Research Center of Shanghai Polytechnic University, Shanghai 201209, ChinaSilicon tetrachloride (SiCl4) is the main byproducts of the polysilicon industries. The dissolution behaviors of SiCl4 in imidazolium ionic liquid, including [Bmim]OTf, [Bmim]NTf2, [Hmim]NTf2, and [Omim]NTf2, were investigated for recycling Si from SiCl4. Raman spectroscopy was used to understand the combination between the ionic liquid and SiCl4, and the conductivity of ionic liquids in different conditions was determined. The results indicated that [Bmim]NTf2 exhibited a better SiCl4 dissolving capacity compared to [Bmim]OTf, longer alkyl chain lengths in the imidazolium cations of the ionic liquids exhibited a better performance in dissolving SiCl4, and [Bmim]NTf2 : PC = 1 : 2 exhibited the best conductivity. In addition, molecular bondings between C-Cl, Si-O-Si, and C-Si were formed between the ionic liquids and SiCl4.http://dx.doi.org/10.1155/2018/2329189
spellingShingle Cheng Cheng
Chenglong Zhang
Jiachao Jiang
En Ma
Jianfeng Bai
Jingwei Wang
Raman Spectroscopy Characterization of Dissolved Polysilicon Byproduct SiCl4 in Ionic Liquids
Journal of Spectroscopy
title Raman Spectroscopy Characterization of Dissolved Polysilicon Byproduct SiCl4 in Ionic Liquids
title_full Raman Spectroscopy Characterization of Dissolved Polysilicon Byproduct SiCl4 in Ionic Liquids
title_fullStr Raman Spectroscopy Characterization of Dissolved Polysilicon Byproduct SiCl4 in Ionic Liquids
title_full_unstemmed Raman Spectroscopy Characterization of Dissolved Polysilicon Byproduct SiCl4 in Ionic Liquids
title_short Raman Spectroscopy Characterization of Dissolved Polysilicon Byproduct SiCl4 in Ionic Liquids
title_sort raman spectroscopy characterization of dissolved polysilicon byproduct sicl4 in ionic liquids
url http://dx.doi.org/10.1155/2018/2329189
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