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Online ISSN : 2433-5843
Print ISSN : 2433-5835
特集「二次イオン質量分析法(SIMS)の最近の進歩と有機分析への応用」
イオン液体を用いた有機試料の二次イオン質量分析(SIMS)
藤原 幸雄齋藤 直昭
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2018 年 61 巻 7 号 p. 446-451

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This article provides an overview of the authors' activity on organic secondary ion mass spectrometry (organic SIMS) using ionic liquids. Ionic liquids, i.e., molten salts with a melting point less than 100℃, have negligible vapor pressures, so that they are compatible with ultra-high vacuum. They are divided into two groups : aprotic ionic liquids and protic ionic liquids. Both ionic liquids were tested as liquid matrices and as primary ion beams in organic SIMS. Protic ionic liquids proved to be effective to enhance molecular secondary ion intensities, whereas aprotic ionic liquids were not useful. Among ionic liquids, alkylammonium titrates such as propylammonium nitrate will be most promising for organic SIMS.

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この記事はクリエイティブ・コモンズ [表示 - 非営利 4.0 国際]ライセンスの下に提供されています。
https://creativecommons.org/licenses/by-nc/4.0/deed.ja
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