Spectroscopic Investigation of Electrode Surfaces Prepared by Self-Assembling Method

自组装法制备电极表面的光谱研究

• 批准号: 03045011
• 负责人: UOSAKI Kohei
• 金额: $ 3.46万
• 依托单位: Hokkaido University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for international Scientific Research
• 财政年份: 1991
• 资助国家: 日本
• 起止时间: 1991 至 1993
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-03045011/
• 关键词: Self-assembled monolayer; Modified electrode; Redox property; Second harmonic generation; Hydroquinone; Ferrocene; FTIR; 偏光変調赤外分光法; 機能性表面; 単分子層; 水晶振動子マイクロバランス法; 角度分解光電子分光法; 表面反射赤外分光法

1. SHG study of Au electrodeSurface reactions at Au electrode were investigated by using pico second SHG system in UW-Madison and nano second SHG system in Hokkaido University.2. In-situ FTIR stydy of potential dependent structure/orientation of self-assembled monolayer on goldCommercially available FTIR spectrometer was amended to perform potential modulated in-situ FTIR measurement of chemical species on electrode surface. It was found that orientation of alkylchain and ferrocene ring changed when the ferrocene moiety was oxidized/reduced. Furthermore, we found even the orientation of the monolayer of mercaptoalkanenitrile which has no redox group was affected by electrode potential due to charge-dipole interaction.3. Construction of a monolayer for photo-induced electro transferA molecule which contains porphyrine as photo-sensitive group, quinine as electron relay and thiol as adsorbing group was synthesized and was attached on gold. Photo-response of the monolayer was investigated.4. EQCM study of transport at mercapto-quinone/hydroquinone monolayer/electrolyte interfaceElectrochemical quartz microbalance(EQCM) was employed to monitor the mass transport at the above mentioned interface. In low pH region no mass transport was detected but at high pH region, cation transport was found to accompany the redox reaction.

1。通过使用UW-Madison的PICO第二SHG系统和北海道大学的Nano Second SHG系统的PICO第二SHG系统研究了AU电极反应的SHG研究。2。修改了自组装单层的潜在依赖性结构/方向的原位FTIR造型，并修改了金色可获得的FTIR光谱仪，以执行对电极表面上化学物种的潜在调制ftir ftir测量。发现当氧化/减少二二二二甲基部分时，烷基链和二昔革环的方向发生了变化。此外，我们甚至发现，没有氧化还原基团的Mercaptoalkanenitrile单层的取向也受到电荷 - 偶极相互作用的电极电位的影响。3。合成了一个用于光诱导的电转移分子的单层，该单分子包含卟啉作为光敏敏感组，奎宁作为电子继电器和硫醇作为吸附组合成，并连接在金上。研究了单层的照片响应4。使用墨托喹酮/氢喹酮单层/电解质界面电位化学石英微量平衡（EQCM）的EQCM转运研究来监测上述界面处的质量传输。在低pH区域中，未检测到质量转运，但在高pH区域，发现阳离子运输伴随氧化还原反应。

项目成果

Yukari Sato,Brian L.Frey,Robert M.Corn and Kohei Uosaki: "Polarization Modulation Fourier Transform Infrared Studies of the Effects of Self-Assembly Time on the Order and Orientation of 11-Ferrocenyl-1-undecanethiol Monolayers on Gold" Bull.Chem.Soc.Jpn.,

Yukari Sato、Brian L.Frey、Robert M.Corn 和 Kohei Uosaki：“偏振调制傅立叶变换红外研究自组装时间对金上 11-二茂铁基-1-十一烷硫醇单分子层的有序和取向的影响”公牛。

Yukari Sato,Hiroyuki Itoigawa and Kohei Uosaki: "Unidirectional Electron Transfer at Self-Assembled Monolayers of 11-Ferrocenyl-1-undecanethiol on Gold" Bull.Chem.Soc.Jpn.,. 66. 1032-1037 (1993)

Yukari Sato、Hiroyuki Itoikawa 和 Kohei Uosaki：“金上 11-二茂铁基-1-十一烷硫醇自组装单分子层的单向电子转移”Bull.Chem.Soc.Jpn.,。

Yukari Sato and Kohei Uosaki: "Electrochemical and Electrogenerated Chemiluminescence Properties of a Tris(bipyridyl)-ruthenium(II)-Alkanethiol Derivative on ITO and Gold Electrodes" DENKI KAGAKU. 816-817 (1993)

Yukari Sato 和 Kohei Uosaki：“三(联吡啶)-钌(II)-链烷硫醇衍生物在 ITO 和金电极上的电化学和电化学化学发光特性”电气化学。

Seiichiro Nakabayashi and Kohei Uosaki: "Synchronization of electrochemical oscillations with external perturbations" CHEMICAL PHYSICS LETTERS. 217. 163-166 (1994)

Seiichiro Nakabayashi 和 Kohei Uosaki：“电化学振荡与外部扰动的同步”化学物理快报。

Katsuaki Simazu,Masatoshi Yanagida and Kohei Uosaki: "Simultaneous UV-Vis spectroelectrochemical and quartz crystal microgravimetric measurements during the redox reaction of viologens" J.Electroanal.Chem.350. 321-327 (1993)

Katsuaki Simazu、Masatoshi Yanagida 和 Kohei Uosaki：“紫精氧化还原反应期间同时进行紫外-可见分光电化学和石英晶体微重量测量”J.Electroanal.Chem.350。