Physical Chemistry of lonic Liquids
离子液体的物理化学
基本信息
- 批准号:12440159
- 负责人:
- 金额:$ 9.41万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (B)
- 财政年份:2000
- 资助国家:日本
- 起止时间:2000 至 2001
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Three different ionic-liquids have been synthesized; [bmim]PF_6, [bmim]BF_4, and [bmim](CF_3SO_2)_2N, where [bimim] stands for the butyhiiethylimidazolium ion. The structure of those ionic liquids has been studied by infrared and Raman spectroscopy; It has been elucidated that the [bmim] cation m [bmim]PF_6 and [bmim]BF_4 takes the same structure including the conformation of the pentyl group. The PF_6 anion in [bmim]PF_6 has been found to retain its octahedral symmetry, but its, site in [bmim]PF_6 is somewhat lower than O_h. The photophysics and photochemistry in ionic liquids have been studied by time-resolved fluorescence spectroscopy. It has been found that trans to cis isomerization of stilbene proceeds in [bmim]PF_6 even if its viscosity is about two orders of magnitude larger than that of ordinary organic solvents. This result indicates that viscosity is not a good measure of the property of an ionic liquid as a solvent.
合成了三种不同的离子液体:[bmim]PF_6,[bmim]BF_4和[bmim](CF_3SO_2)_2N,其中[bmim]代表丁基三乙基咪唑离子。用红外光谱和拉曼光谱研究了这些离子液体的结构,证实了[bmim]阳离子m [bmim]PF_6和[bmim]BF_4具有相同的结构,包括戊基的构象。发现[bmim]PF_6中的PF_6阴离子保留了其八面体对称性,但其在[bmim]PF_6中的位置略低于O_h。用时间分辨荧光光谱法研究了离子液体中的光物理和光化学。发现在[bmim]PF_6中,即使粘度比普通有机溶剂大两个数量级,二苯乙烯也能发生顺反异构化。该结果表明粘度不是离子液体作为溶剂的性质的良好量度。
项目成果
期刊论文数量(48)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Hironori Ishikawa, Koichi Iwata, Hiro-o Hamaguchi: "Picosecond Dynamics of Stepwise Double Proton Transfer Reaction in the Excited State of the 2-aminopyridine/Acetic acid System"Journal of Physical Chemistry. (in press). (2002)
Hironori Ishikawa、Koichi Iwata、Hiro-o Hamaguchi:“2-氨基吡啶/乙酸体系激发态下逐步双质子转移反应的皮秒动力学”物理化学杂志。
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Shingo Ikeda,Shigeru Murata,Kunihiko Ishii,and Hiro-o Hamaguchi: "Mechanistic Studies of Pyrene-sensitized Photodecomposition of N-Phenylglycine : Acceleration of the Photodecomposition by the Addition of an Electron Acceptor"Bull.Chem.Society Japan. 73・1
Shingo Ikeda、Shigeru Murata、Kunihiko Ishii 和 Hiro-o Hamaguchi:“N-苯基甘氨酸的芘敏化光分解的机理研究:通过添加电子受体加速光分解”Bull.Chem.Society Japan 73・1。
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Yuika Saito,Taka-aki Ishibashi,and Hiro-o Hamaguchi: "Polarization-resolved Coherent Anti-Stokes Raman Scattering (CARS) Spectroscopy : A New Probe of Molecular Symmentry through Accurate Determination of Raman Depolarization Ratio"Journal of Raman Spectr
Yuika Saito、Taka-aki Ishibashi 和 Hiro-o Hamaguchi:“偏振分辨相干反斯托克斯拉曼散射 (CARS) 光谱:通过准确测定拉曼去偏振比进行分子对称的新探针”拉曼光谱杂志
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Young-Kun Min, Hirotsugu Hiramatsu, and Hiro-o Hamaguchi: "Infrared Electroabsorption Spectroscopic Study of Association Structures of 5CB in the Solution, Isotropic Liquid and Nematic Liquid Crystal States"Chemistry Letters. 68-69 (2002)
Young-Kun Min、Hirotsugu Hiramatsu 和 Hiro-o Hamaguchi:“溶液、各向同性液体和向列液晶态中 5CB 缔合结构的红外电吸收光谱研究”化学快报。
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Anunay samanta, Satyen Saha,Hironori Ishikawa and Hiro-o Hamaguchi: "Excited State Structure of N-(4-cyanophenyI) carthazole by Time-Resolved Infrared Absorption Spectroscoppy"Chemistry Letters. (in press).
Anunay samanta、Satyen Saha、Hironori Ishikawa 和 Hiro-o Hamaguchi:“通过时间分辨红外吸收光谱法观察 N-(4-cyanophenyI) carthazillo 的激发态结构”化学快报。
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HAMAGUCHI Hiro-o其他文献
HAMAGUCHI Hiro-o的其他文献
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{{ truncateString('HAMAGUCHI Hiro-o', 18)}}的其他基金
Development of time-and space-resolved low frequency Raman spectroscopy and elucidation of melting processes of ionic liquids
时间和空间分辨低频拉曼光谱的发展以及离子液体熔化过程的阐明
- 批准号:
21245005 - 财政年份:2009
- 资助金额:
$ 9.41万 - 项目类别:
Grant-in-Aid for Scientific Research (A)
Ultimate vibrational spectroscopy in the time and space domains: Toward the elucidation of the mechanism of material organization, from molecules to living cells
时间和空间领域的终极振动光谱:阐明从分子到活细胞的材料组织机制
- 批准号:
15GS0204 - 财政年份:2003
- 资助金额:
$ 9.41万 - 项目类别:
Grant-in-Aid for Creative Scientific Research
Development and applications of highly-sensitive near-infrared multichannel Raman Spectroscopic system
高灵敏近红外多通道拉曼光谱系统的研制与应用
- 批准号:
12354007 - 财政年份:2000
- 资助金额:
$ 9.41万 - 项目类别:
Grant-in-Aid for Scientific Research (A)
Development of a Microsecond Time-resolved Infrared Spectrometer and Its Applications to Photochemical Intermediates
微秒级时间分辨红外光谱仪的研制及其在光化学中间体中的应用
- 批准号:
62470014 - 财政年份:1987
- 资助金额:
$ 9.41万 - 项目类别:
Grant-in-Aid for General Scientific Research (B)
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