| Budget Amount *help |
¥47,710,000 (Direct Cost: ¥36,700,000、Indirect Cost: ¥11,010,000)
Fiscal Year 2012: ¥9,360,000 (Direct Cost: ¥7,200,000、Indirect Cost: ¥2,160,000)
Fiscal Year 2011: ¥9,230,000 (Direct Cost: ¥7,100,000、Indirect Cost: ¥2,130,000)
Fiscal Year 2010: ¥9,230,000 (Direct Cost: ¥7,100,000、Indirect Cost: ¥2,130,000)
Fiscal Year 2009: ¥19,890,000 (Direct Cost: ¥15,300,000、Indirect Cost: ¥4,590,000)
|
|---|
| Research Abstract |
The main samples and phenomena of this study are phase behabiors of room-temperature ionic liquids (RTILs). RTILs constitute a new class of liquids that attract much attention because of their characteristic properties and potential utilities as functional liquids. Unique properties are remarkably manifested in their thermal behaviors such as low melting point despite being salts, hardness in crystallization, premelting over a wide temperature range, excessive supercooling, and the existence of complex thermal histories. We performed the measurements of calorimetories using ultra-sensitive calorimeters, Raman scattering and relaxation times of NMR. From these experiments, we found peculiar thermal behaviours at the phase changes of RTILs, namely ‘rhythmic melting and crystallization', ‘intermittent crystallization' in the premelting regions and ultraslow phase changes. These unique thermal behaviours of imidazolium-based RTILs are attributed to conformational changes and flexibility of constituent ions.
|
