نتایج جستجو برای: room temperature ionic liquid
تعداد نتایج: 733410 فیلتر نتایج به سال:
Ionic liquids are novel solvents of interest as greener alternatives to conventional organic solvents aimed at facilitating sustainable chemistry. As a consequence of their unusual physical properties, reusability, and eco-friendly nature, ionic liquids have attracted the attention of organic chemists. Numerous reports have revealed that many catalysts and reagents were supported in the ionic l...
A study of the temperature-dependent solvation dynamics of coumarin-480 in [bmim][BF4]/Triton X-100/cyclohexane microemulsions at three different temperatures (299 K, 308 K and 317 K) is reported. The solvation dynamics of a room temperature ionic liquid in microemulsions becomes faster with increase in temperature. Dynamic light scattering measurements indicate a significant change in size wit...
The ionic liquid (2-hydroxyethylammonium)trimethylammonium) bis(trifluoromethylsulfonyl)imide (choline bistriflimide) was obtained as a supercooled liquid at room temperature (melting point=30 degrees C). Crystals of choline bistriflimide suitable for structure determination were grown from the melt in situ on the X-ray diffractometer. The choline cation adopts a folded conformation, whereas th...
Solidification of fluidic ionic liquids into porous materials yields porous ionic networks that combine the unique characteristics of ionic liquids with the common features of polymers and porous materials. This minireview reports the most recent advances in the design of porous ionic liquids. A summary of the synthesis of ordered and disordered porous ionic liquid-based nanoparticles or membra...
The sum frequency generation (SFG) vibrational spectrum and contact angle of a room-temperature ionic liquid, 1-butyl-3-methylimidazolium methane sulfate, [BMIM][MS], at the graphene interface has been measured. The SFG spectra are dominated by the CH3 resonance of the anion. The methyl group of methane sulfate is oriented at an angle greater than 40 from the surface normal. The SFG data sugges...
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