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Speciation analysis of inorganic Sb leached from InSb thin films by hydride generation–microwave plasma-atomic emission spectroscopy

Fujihara, Junko ; Nishimoto, Naoki

Journal of the Iranian Chemical Society, 2023-10, Vol.20 (10), p.2555-2560 [Periódico revisado por pares]

Berlin/Heidelberg: Springer Berlin Heidelberg

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Título:
Speciation analysis of inorganic Sb leached from InSb thin films by hydride generation–microwave plasma-atomic emission spectroscopy
Autor: Fujihara, Junko ; Nishimoto, Naoki
Assuntos: Analytical Chemistry ; Antimony ; Atomic emission spectroscopy ; Biochemistry ; Bismuth ; Chemistry ; Chemistry and Materials Science ; Cost analysis ; Doping ; Emission analysis ; Emission spectroscopy ; Hydrides ; Indium antimonide ; Inorganic Chemistry ; Intermetallic compounds ; Leaching ; Microwave plasmas ; Organic Chemistry ; Original Paper ; Physical Chemistry ; Potassium iodides ; Semiconductor materials ; Sodium acetate ; Sodium hydroxide ; Speciation ; Spectrum analysis ; Thin films
É parte de: Journal of the Iranian Chemical Society, 2023-10, Vol.20 (10), p.2555-2560
Descrição: Sb speciation analysis is important in relation to industrial exposure or environmental release because of the large difference in toxicity between Sb III and Sb V . In this study, the release of Sb species from a semiconductor material (undoped and Bi-doped InSb thin films) in 0.1 mol/L sodium acetate buffer was investigated using hydride generation–microwave plasma-atomic emission spectroscopy (HG–MP-AES). Total Sb was determined using our previously reported method, and Sb III concentration was measured without reduction by potassium iodide and with a lower sodium tetrahydroborate/sodium hydroxide concentration. To estimate the Sb V concentration, the Sb III concentration was subtracted from the total Sb concentration. The Sb species were not changed by Bi doping, even though Bi doping suppressed the Sb elution from the thin films. A large fraction of Sb eluted as Sb III during leaching for 28 days. This is the first Sb speciation analysis using HG–MP-AES of eluates from Sb-based materials. Sb speciation analysis using HG–MP-AES is cost effective, reliable, and requires only simple sample preparation.
Editor: Berlin/Heidelberg: Springer Berlin Heidelberg
Idioma: Inglês

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Speciation analysis of inorganic Sb leached from InSb thin films by hydride generation–microwave plasma-atomic emission spectroscopy

Fujihara, Junko ; Nishimoto, Naoki

Berlin/Heidelberg: Springer Berlin Heidelberg

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