ACOMS+ 및 학술지 리포지터리 설명회

  • 한국과학기술정보연구원(KISTI) 서울분원 대회의실(별관 3층)
  • 2024년 07월 03일(수) 13:30
 

  • P-ISSN1225-0163
  • E-ISSN2288-8985
  • SCOPUS, ESCI, KCI

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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

근적외선 분광법을 이용한 고순도 SiCl4 중의 미량 불순물 SiHCl3의 분석

Analysis of Trace Trichlorosilane in High Purity Silicon Tetrachloride by Near-IR Spectroscopy

분석과학 / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2002, v.15 no.1, pp.13-90
박찬조 (한국화학연구원)
이석근 (한국화학연구원)
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Abstract

The content of <TEX>$SiHCl_3$</TEX> as a trace impurity in <TEX>$SiCl_4$</TEX> was analyzed by Near IR spectrophotometer with optical fiber. The strong absorption bands of <TEX>$5345{\sim}5116cm^{-1}$</TEX> and <TEX>$4848{\sim}4349cm^{-1}$</TEX> were used for analysis of <TEX>$SiHCl_3$</TEX>, and the detection limit of impurity <TEX>$SiCl_3$</TEX> was appeared to be 0.005 % in the spectrum. The quantitative analysis by Near IR spectrophotometry showed the analytical possibility of trace impurity in <TEX>$SiCl_4$</TEX> without sample pre-treatment not only in the laboratory but also in the field.

keywords
near IR, optical fiber, silicon tetrachloride, trichlorosilane


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