نتایج جستجو برای: deep eutectic solvent
تعداد نتایج: 267588 فیلتر نتایج به سال:
A solid-state PEO-DES electrolyte was prepared for lithium metal batteries. The interactions between DMMSA and LiTFSI dissociate extra salts weaken strong coordination of ether oxygens cations. Poly(ethylene) oxide (PEO)-based electrolytes have been widely studied batteries while their ionic conductivity lithium-ion transference number still need to be further improved. Herein, using the combin...
In the past few years, research on fabrication of deep eutectic solvents (DESs)-based supported liquid membranes (SLMs) is increasing tremendously due to their significant advantages such as low mass transport resistance, high performance, easy scale-up, cost and simple operation. However, DES-based SLMs challenging highly dependent parameters: DES properties membrane supports. Subsequently, me...
Different deep eutectic solvent (DES) mixtures were studied as reaction media for the continuous synthesis of enantiomerically enriched products by testing different experimental set-ups. L-Proline-catalysed cross-aldol reactions were efficiently performed in continuo, with high yield (99%), anti-stereoselectivity, and enantioselectivity (up to 97% ee). Moreover, using two different DES mixture...
The synthesis of a macro-initiator from cellulose in mixtures of zincbased ionic liquid and polar solvents including deep eutectic solvent, dimethylformamide, acetone, and tetrahydrofuran (THF) was studied. The results of FTIR and NMR spectroscopies indicated that the cellulose-based macro-initiator can only be obtained in an inert ether solvent, THF. When the amounts of cellulose and zinc-base...
This work focuses on the stability and supramolecular structure of betaine-urea-water (B:U:W) natural deep eutectic solvent. Solutions spanning a range molar ratios betaine, urea, water were prepared, varying temperature preparation times, analyzed by attenuated total reflection Fourier-transform infrared spectroscopy Nuclear Magnetic Resonance. Density Functional Theory Natural Bond Orbital an...
Binary and ternary deep eutectic solvent mixtures: Influence on methylene blue electropolymerisation
Binary and ternary deep eutectic solvent (DES) mixtures based on choline chloride, with ethylene glycol, oxalic acid, urea fructose, were used for the first time as media electropolymerisation of poly(methylene blue) (PMB) glassy carbon electrodes (GCEs) GCEs modified multiwalled nanotubes (MWCNTs). The influence different parameters such DES composition, presence MWCNTs and/or perchlorate dopa...
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