| Budget Amount *help |
¥19,240,000 (Direct Cost: ¥14,800,000、Indirect Cost: ¥4,440,000)
Fiscal Year 2013: ¥5,330,000 (Direct Cost: ¥4,100,000、Indirect Cost: ¥1,230,000)
Fiscal Year 2012: ¥5,330,000 (Direct Cost: ¥4,100,000、Indirect Cost: ¥1,230,000)
Fiscal Year 2011: ¥8,580,000 (Direct Cost: ¥6,600,000、Indirect Cost: ¥1,980,000)
|
|---|
| Outline of Final Research Achievements |
Potential dependent electric double layer (EDL) structure of ionic liquids ([Cnmim]X (X=OTf, TFSA, PF6)) on a polycrystalline Pt, Au electrode has been studied by in-situ IR-visible sum frequency generation (SFG) spectroscopy and differential capacitance measurements. Within the electrochemical window (EW), potential dependent adsorption/desorption processes of the ions have been monitored. Both SFG and capacitance results indicate that significant hysteresis occurs during the adsorption/desorption processes on the Pt surface, while the EDL structure is highly reversible at the potential close to the limit of the EW. The unique hysteresis effect for ionic liquids on electrode surface should be seriously considered in electrochemical applications of ionic liquids.
|
