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Vaporization mechanism and ion-pair structure of protic ionic liquids

Research Project

Project/Area Number 24750013
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Physical chemistry
Research InstitutionTokyo University of Agriculture and Technology

Principal Investigator

AKAI Nobuyuki  東京農工大学, (連合)農学研究科(研究院), 准教授 (50452008)

Project Period (FY) 2012-04-01 – 2014-03-31
Project Status Completed (Fiscal Year 2013)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2013: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2012: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Keywordsイオン液体 / 蒸発メカニズム / 赤外分光法 / 量子化学計算 / 蒸発機構 / イオン対構造 / イオニシティー / 赤外分光 / プロトン性イオン液体
Research Abstract

In order to understand the nature of room temperature ionic liquids which are expected to become nobel materials, vaporation machanism and structures of some room temperature ionic liquids were investigated by low-temperature matrix-isolation infrared spectroscopy as a experimantal method with aids of high level quantum chemical calculations. Especially, we focused on protic ionic liquids simply made by a mixing of one acid and one base. Although it had been usually considered that the parent acid and base are released in the gas phase from protic ionic liquid by proton transfer from anion to cation, another vaporization mechanism that anion-cation pair directly evaporates from the protic ionic liquid composed of strong acid and strong base were found in this study.

Report

(3 results)
  • 2013 Annual Research Report   Final Research Report ( PDF )
  • 2012 Research-status Report
  • Research Products

    (10 results)

All 2014 2013 2012 Other

All Journal Article (4 results) (of which Peer Reviewed: 4 results,  Open Access: 1 results,  Acknowledgement Compliant: 1 results) Presentation (4 results) Remarks (2 results)

  • [Journal Article] Vaporization of Protic Ionic Liquids Studied by Matrix-Isolation FTIR Spectroscopy2014

    • Author(s)
      Mami, Horikawa, Nobuyuki, Akai, Akio Kawai, Kazuhiko Shibuya
    • Journal Title

      J.Phys.Chem. A

      Volume: 118 Issue: 18 Pages: 3280-3287

    • DOI

      10.1021/jp501784w

    • Related Report
      2013 Annual Research Report 2013 Final Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Solvent Dependent Photoisomerization Quantum Yield of 2-Phenylazo-1-alkyl-3-methylimidazolium Cation in Ionic Liquids under S1(n, π*) Excitation2013

    • Author(s)
      Tsuyoshi Yoshida, Tomoo Monji, Daiki Kawamori, Nobuyuki Akai, Kazuhiko Shibuya Akio Kawai
    • Journal Title

      Chem.Letters

      Volume: 42 Issue: 12 Pages: 1490-1492

    • DOI

      10.1246/cl.130723

    • NAID

      130004867831

    • Related Report
      2013 Final Research Report
    • Peer Reviewed
  • [Journal Article] Solute Size-Dependent Rotational Diffusion of Nitroxide Radicals in Ionic Liquids as Studied by EPR Spectroscopy2013

    • Author(s)
      Yusuke Miyake, Nobuyuki Akai, Kazuhiko Shibuya, Akio Kawai
    • Journal Title

      Chem.Letters

      Volume: 42 Issue: 11 Pages: 1429-1431

    • DOI

      10.1246/cl.130682

    • NAID

      130004426805

    • Related Report
      2013 Final Research Report
    • Peer Reviewed
  • [Journal Article] Gas phase electronic absorption spectroscopy of room temperature ionic liquids: N-Ethyl-3-methylpyridinium or 1-butyl-3-methylimidazolium cation with bis(trifluoromethylsulfonyl)amido anion2013

    • Author(s)
      Takahiro Ogura, Nobuyuki Akai, Akio Kawai, Kazuhiko Shibuya
    • Journal Title

      Chem. Phys. Lett.

      Volume: 555 Pages: 110-114

    • Related Report
      2012 Research-status Report
    • Peer Reviewed
  • [Presentation] 加熱気化したプロトン性イオン液体の赤外分光2012

    • Author(s)
      堀川真美, 赤井伸行, 河合明雄, 渋谷一彦
    • Organizer
      分子科学討論会2012
    • Place of Presentation
      東京大学
    • Related Report
      2013 Final Research Report
  • [Presentation] イオン液体の固液界面近傍における励起状態ダイナミクス2012

    • Author(s)
      小倉隆宏, 河森大樹, 赤井伸行, 河合明雄, 渋谷一彦
    • Organizer
      分子科学討論会2012
    • Place of Presentation
      東京大学
    • Related Report
      2013 Final Research Report
  • [Presentation] フェニルアゾ基を有するイオン液体のフォトクロミック反応2012

    • Author(s)
      吉田剛, 河森大樹, 浅香亨, 赤井伸行, 河合明雄, 渋谷一彦
    • Organizer
      光化学討論会2012
    • Place of Presentation
      東京工業大学
    • Related Report
      2013 Final Research Report
  • [Presentation] 加熱気化したプロトン性イオン液体の赤外分光2012

    • Author(s)
      堀川 真美,赤井 伸行,河合 明雄,渋谷 一彦
    • Organizer
      第6回分子科学討論会2012
    • Place of Presentation
      東京大学 本郷キャンパス
    • Related Report
      2012 Research-status Report
  • [Remarks]

    • URL

      http://www.tuat.ac.jp/~akain/index.html

    • Related Report
      2013 Final Research Report
  • [Remarks] 東京農工大学院BASE赤井研HP

    • URL

      http://www.tuat.ac.jp/~akain/index.html

    • Related Report
      2012 Research-status Report

URL: 

Published: 2013-05-31   Modified: 2019-07-29  

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