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| Open AccessPressure-induced liquid-liquid transition in a family of ionic materials
Liquid−liquid transitions (LLTs) have been reported for some molecular systems but are difficult to observe under high pressure conditions. Here the authors report and characterize a first-order LLT in a series of ionic liquids containing the trihexyl(tetradecyl)phosphonium cation and anions of different sizes and shapes, using calorimetric and dielectric measurements.
- Zaneta Wojnarowska
- , Shinian Cheng
- & Marian Paluch
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Article
| Open AccessIonic liquid enables highly efficient low temperature desalination by directional solvent extraction
Directional Solvent Extraction is an emerging non-membrane desalination technology for sea water desalination but is limited by throughput and energy efficiency. Here, the authors demonstrate that the production rate and energy efficiency can be increased by using ionic liquids as directional solvent.
- Jiaji Guo
- , Zachary D. Tucker
- & Tengfei Luo
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Article
| Open AccessEfficient carbon dioxide hydrogenation to formic acid with buffering ionic liquids
Basic ionic liquids provide a buffering effect that enables the efficient synthesis of free formic acid from CO2 hydrogenation. Here, a highly efficient catalytic system that transforms CO2 to formic acid without the need of strong bases is demonstrated, avoiding the formation of formate salts.
- Andreas Weilhard
- , Stephen P. Argent
- & Victor Sans
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Article
| Open AccessHigh-performance particulate matter including nanoscale particle removal by a self-powered air filter
Particulate matter (PM) pollutants have been considered serious threats to public health but effective removal of nanoscale particles (NPs) by filter materials is challenging. Here, the authors fabricate an ionic liquid based self-powered air filter that can be used in high-efficiency removal of PM, including NPs.
- Guo-Hao Zhang
- , Qiu-Hong Zhu
- & Guo-Hong Tao
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Article
| Open AccessCrystal-confined freestanding ionic liquids for reconfigurable and repairable electronics
The development of novel liquid-based electronics requires a new class of liquid electronic materials with combined fluidic, freestanding, and conducting properties. Here, the authors demonstrate a self-healing crystal-confined ionic liquid that shows fluidic and solid-like functionality.
- Naiwei Gao
- , Yonglin He
- & Yapei Wang
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Article
| Open AccessSustainable scalable synthesis of sulfide nanocrystals at low cost with an ionic liquid sulfur precursor
Developing sustainable and scalable nanocrystal syntheses is challenging but necessary for future technologies and the environment. Here, the authors show that using an ionic liquid to stabilize a highly reactive precursor can fulfill the major aims of sustainable nanocrystal synthesis, including high yields, energy efficiency, atom economy, and recyclability.
- Bin Yuan
- , Timothy Karl Egner
- & Ludovico Cademartiri
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Article
| Open AccessIonic liquid accelerates the crystallization of Zr-based metal–organic frameworks
Crystallization kinetics of metal-organic frameworks in conventional organic solvents are usually very slow. Here, the authors show that an ionic liquid medium accelerates considerably the formation of Zr-based metal-organic frameworks that are active catalysts in the Meerwein-Ponndorf-Verley reaction.
- Xinxin Sang
- , Jianling Zhang
- & Buxing Han
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Article
| Open AccessIntegrated CO2 capture-fixation chemistry via interfacial ionic liquid catalyst in laminar gas/liquid flow
Microfluidics is an attractive route for synthesis, but can suffer from poor reactivity with gaseous reagents. Here the authors report a microfluidic system catalysing an interfacial reaction between CO2and liquid phase reagents by modifying silicon nanowires with immobilized ionic liquid catalysts.
- Niraj K. Vishwakarma
- , Ajay K. Singh
- & Dong-Pyo Kim