Infrared-based and Raman-based Observation of Molecular Vibrations towards Physicochemical Analysis of Ionic Liquids
基于红外和拉曼的分子振动观察对离子液体的物理化学分析
基本信息
- 批准号:14340190
- 负责人:
- 金额:$ 6.53万
- 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:2002
- 资助国家:日本
- 起止时间:2002 至 2003
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Two non-linear, time-domain Raman methods have been developed towards physicochemical analysis of ionic liquids.(1)Interface-specific observation of molecular vibrations was achieved with visible light by a fourth-order optical process. An aqueous solution of oxazine dye interfaced with air was irradiated with 16-fs pluses at 600 nm. A pump pulse excited Raman-active nuclear motions of the dye. A probe pulse interacted with the excited molecules to generate second harmonic light, the intensity of which was oscillated as a function of the pump-probe delay. Fourier-transformation of the oscillation provided a vibrational spectrum of 0 - 1000 cm^<-1> for the dye located at the air-solution interface.(2)Femtosecond time-resolved photoinduced reflectivity change was measured for the first time on a spincoated dye (cresyl violet) of submonolayer coverage on a fused silica substrate. We found that the sensitivity of the reflection measurement was much higher than that of the absorption measurement for thin monolayers of dye. A prominent beating structure due to vibrational coherence of the dye was observed on the time-resolved reflection signal. A vibrational spectrum of the dye at submonolayer coverage, which corresponded its resonance Raman spectrum, was obtained in the range of 0-800 cm^<-1> by a Fourier transform analysis of the reflection signal.
两种非线性时域拉曼方法被用于离子液体的物理化学分析。(1)通过四阶光学过程,利用可见光实现了分子振动的界面特异性观测。用16-fs +在600 nm处照射恶嗪染料与空气界面的水溶液。一个泵浦脉冲激发了染料的拉曼活性核运动。探针脉冲与受激分子相互作用产生二次谐波光,其强度随泵浦-探针延迟的变化而振荡。振荡的傅里叶变换为位于空气-溶液界面的染料提供了0 - 1000 cm^<-1>的振动谱。(2)首次在熔融二氧化硅衬底上测量了亚单层覆盖的纺涂染料(甲酚紫)的飞秒时间分辨光致反射率变化。我们发现,对于薄单层染料,反射测量的灵敏度远远高于吸收测量。由于染料的振动相干性,在时间分辨反射信号上观察到明显的跳动结构。在0 ~ 800 cm^<-1>范围内,通过对反射信号的傅里叶变换分析,得到了染料在亚单层覆盖下的振动谱,与共振拉曼光谱相对应。
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)
Takeshita, Sasaki, Kobashi, Tanaka, Maeda, Yamakata, Ishibashi, Onishi: "Photophysics and Electron Dynamics in Dye-sensitized Semiconductor Film Studied by Time-resolved Mid-IR Spectroscopy"Journal of Physical Chemistry B. 107(In press). (2003)
Takeshita、Sasaki、Kobashi、Tanaka、Maeda、Yamakata、Ishibashi、Onishi:“通过时间分辨中红外光谱研究的染料敏化半导体薄膜中的光物理学和电子动力学”物理化学杂志 B.107(出版中)。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
山方啓, 石橋孝章, 大西洋: "時間分解赤外分光でみた二酸化チタン微粒子から吸着分子への電荷移動"表面科学. 24. 46-52 (2003)
Kei Yamakata、Takaaki Ishibashi,Atlantic:“通过时间分辨红外光谱观察到从二氧化钛细颗粒到吸附分子的电荷转移”表面科学 24. 46-52 (2003)。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
A multiplex infrared-visible sum-frequency spectrometer with wavelength tunability of the visible probe
可见光探头波长可调的复合红外-可见光和频光谱仪
- DOI:
- 发表时间:2002
- 期刊:
- 影响因子:0
- 作者:Taka-aki Ishibashi;Hiroshi Onishi
- 通讯作者:Hiroshi Onishi
石橋孝章, 大西 洋: "マルチプレックス赤外可視和周波発生分光法とその有機単分子膜への応用"真空. (印刷中). (2004)
Takaaki Ishibashi、Hiroshi Onishi:“多重红外-可见光和频发生光谱及其在有机单层中的应用”真空(2004 年出版)。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
石橋孝章, 大西 洋: "可視プローブ波長可変性を持つマルチプレックス赤外可視和周波発生分光装置の開発"表面科学. 23. 468-474 (2002)
Takaaki Ishibashi、Hiroshi Onishi:“具有可见光探头波长可调性的多重红外-可见光和频发生光谱仪的开发”表面科学 23. 468-474 (2002)。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
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ONISHI Hiroshi其他文献
ONISHI Hiroshi的其他文献
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{{ truncateString('ONISHI Hiroshi', 18)}}的其他基金
A Study of Investigating and Revitalizing the Japanese Art Market
日本艺术市场调查与振兴研究
- 批准号:
16H07228 - 财政年份:2016
- 资助金额:
$ 6.53万 - 项目类别:
Grant-in-Aid for Research Activity Start-up
Effect and safety of stereotactic radiotherapy for cancers in various organs except for lung and liver
立体定向放射治疗除肺、肝癌外各脏器肿瘤的疗效及安全性
- 批准号:
16H05389 - 财政年份:2016
- 资助金额:
$ 6.53万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Occurrence mechanism of horizontal cracks in RC decks.
RC桥面板水平裂缝的发生机理
- 批准号:
24560581 - 财政年份:2012
- 资助金额:
$ 6.53万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Electronic excited states in photocatalysts observed with Raman spectroscopy
用拉曼光谱观察光催化剂中的电子激发态
- 批准号:
24655014 - 财政年份:2012
- 资助金额:
$ 6.53万 - 项目类别:
Grant-in-Aid for Challenging Exploratory Research
Visible-light sensitized photocatalysts characterized by resonance Raman spectroscopy
通过共振拉曼光谱表征可见光敏化光催化剂
- 批准号:
21360395 - 财政年份:2009
- 资助金额:
$ 6.53万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Basic study on foreigner's communities in port cities and international exchange of modern Japan
近代日本港口城市外国人社区与国际交流的基础研究
- 批准号:
18520518 - 财政年份:2006
- 资助金额:
$ 6.53万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
The effect of gefinitb (Iressa) on radiation of lung-analysis of anti-cancer effect and radiation pneumonia
吉非替尼(易瑞沙)对肺部辐射的影响——抗癌作用及放射性肺炎分析
- 批准号:
15591262 - 财政年份:2003
- 资助金额:
$ 6.53万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Study of Sesshu based both on his works and documentary sources around him
对雪舟的研究基于他的作品和他周围的文献资料
- 批准号:
15520095 - 财政年份:2003
- 资助金额:
$ 6.53万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
A Study of Medieval and Early Modern Orihon-gajo, or Album Picture, Focusing on its Function as a Medium
中世纪和近代早期专辑图片研究,重点关注其作为媒介的功能
- 批准号:
10610065 - 财政年份:1998
- 资助金额:
$ 6.53万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
A Study of the interactive relationship between the creation and reception of literary texts
文学文本创作与接受的互动关系研究
- 批准号:
07451093 - 财政年份:1995
- 资助金额:
$ 6.53万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
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