Articles with "crown ether" as a keyword



A Solar and Seawater Co‐Involved Durable Rechargeable Battery Enabled by Crown Ether‐Rich Polymer‐Mediated Photoelectrodes

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Published in 2024 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202312729

Abstract: The first flow‐type solar and seawater co‐mediated sodium‐air rechargeable battery (SSRB) for efficient solar‐to‐electrochemical energy conversion/storage is established. Such SSRB is enabled by a robust self‐regulated CEP/ZnWO4/WO3 heterojunction photoelectrochemical electrodes (PE) by passivating predesigned crown… read more here.

Keywords: solar seawater; seawater; crown ether; ether rich ... See more keywords

3D Crown Ether Covalent Organic Framework as Interphase Layer toward High‐Performance Lithium Metal Batteries

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Published in 2024 at "Advanced Materials"

DOI: 10.1002/adma.202313076

Abstract: The practical application of lithium (Li) metal batteries is inhibited by accumulative Li dendrites and continuous active Li consumption during cycling, which results in a low Coulombic efficiency and short lifetime. Constructing artificial solid‐electrolyte interphase… read more here.

Keywords: interphase; lithium metal; metal batteries; crown ether ... See more keywords

Supramolecular Assembly of Cesium Copper Iodine Resulting in Rich Emission Properties

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Published in 2024 at "Advanced Optical Materials"

DOI: 10.1002/adom.202401098

Abstract: Crown ether‐assisted supramolecular assembly is a robust strategy for manipulating low‐dimensional metal halides. In this study, the supramolecular assembly of 0D‐Cs3Cu2I5 is presented. Upon the addition of 15‐crown‐5 (15C5) to Cs3Cu2I5, 15C5 immediately coordinates with… read more here.

Keywords: iodine; supramolecular assembly; crown ether; copper ... See more keywords

High Performance Perovskite Solar Cells Based on Multifunctional Additives of Crown‐Ether‐Iodine Supra‐Molecules

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Published in 2024 at "Advanced Optical Materials"

DOI: 10.1002/adom.202402175

Abstract: The efficiency and stability of perovskite solar cells (PSCs) are influenced by various factors, such as controlling the migration of iodide anion (I−) and lithium cation (Li+), oxidizing the hole‐transport material of 2,2′,7,7′‐tetras(N,N‐p‐methoxyaniline)‐9,9′‐spirodifluorene (Spiro), and… read more here.

Keywords: efficiency; stability; crown ether; ether iodine ... See more keywords

Bis‐Alkoxide Dysprosium(III) Crown Ether Complexes Exhibit Tunable Air Stability and Record Energy Barrier

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Published in 2024 at "Advanced Science"

DOI: 10.1002/advs.202308548

Abstract: High‐performance and air‐stable single‐molecule magnets (SMMs) can offer great convenience for the fabrication of information storage devices. However, the controversial requisition of high stability and magnetic axiality is hard to balance for lanthanide‐based SMMs. Here,… read more here.

Keywords: stability; dysprosium iii; air; crown ether ... See more keywords

An efficient and new protocol for the Heck reaction using palladium nanoparticle‐engineered dibenzo‐18‐crown‐6‐ether/MCM‐41 nanocomposite in water

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Published in 2018 at "Applied Organometallic Chemistry"

DOI: 10.1002/aoc.4271

Abstract: Palladium nanoparticle-incorporated mesoporous organosilica (MCM-41-Crown.Pd) was synthesized via the grafting of dibenzo-18-crown-6-ether moieties on the MCM-41 surface, followed by reaction of the nanocomposite with palladium acetate and then its reduction in ethanol. The cavity of… read more here.

Keywords: palladium nanoparticle; crown ether; reaction; dibenzo crown ... See more keywords

Non‐Globular Organic Ionic Plastic Crystal Containing a Crown‐Ether Moiety – Tuning Its Behaviour Using Sodium Salts

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Published in 2022 at "Chemphyschem"

DOI: 10.1002/cphc.202200258

Abstract: Abstract Organic ionic plastic crystals (OIPCs) are a class of soft materials showing positional order while still allowing orientational freedom. Due to their motional freedom in the solid state, they possess plasticity, non‐flammability and high… read more here.

Keywords: crown ether; organic ionic; ether moiety; non globular ... See more keywords

Crown Ether-Promoted Helical Self-Assembly of Achiral Molecules: Symmetry Breaking in Cocrystallization of Octafluorobenzidine with 18-Crown-6.

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Published in 2025 at "ChemPlusChem"

DOI: 10.1002/cplu.202500481

Abstract: New H-bonded supramolecular assembliesare obtained using the polyfluorobiphenyl H-donor derivatives and 18-crown-6 ether. Cocrystals of octafluorobenzidine with 18-crown-6 of 1:1 stoichiometry belong to the enantiomorphous space groups P65 and P61. The helical self-assembly of these… read more here.

Keywords: helical self; crown ether; octafluorobenzidine crown; self assembly ... See more keywords

Alkali Metal Ion Tuning of a Crown Ether‐Appended Porphyrin for Electrocatalytic CO2 Reduction

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Published in 2024 at "European Journal of Inorganic Chemistry"

DOI: 10.1002/ejic.202400259

Abstract: Iron‐porphyrin systems are among the best catalysts to reduce selectively CO2 to CO. Electronic modification of the porphyrin skeleton by substituents can enhance the catalytic efficiency of the complexes. In this work, we modified the… read more here.

Keywords: chemistry; crown ether; co2 reduction; alkali metal ... See more keywords

Enantioseparation of DPP-4 Inhibitors on Immobilized Crown Ether-Based Chiral Stationary Phase

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Published in 2018 at "Chromatographia"

DOI: 10.1007/s10337-018-3626-x

Abstract: A group of DPP-4 inhibitors such as alogliptin, linagliptin and saxagliptin were selected for enantioseparation for this study. Crown ether columns contain a chiral crown ether ring as a chiral selector is suitable for the… read more here.

Keywords: peptidase inhibitors; crown ether; dpp inhibitors; enantioseparation dpp ... See more keywords

Studies of the homologs and pseudo-homologs of flerovium with crown ether based extraction chromatography resins

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Published in 2018 at "Journal of Radioanalytical and Nuclear Chemistry"

DOI: 10.1007/s10967-018-6207-4

Abstract: A crown-ether based extraction chromatography resin, Eichrom Pb, has been characterized for separations of the flerovium (Fl) pseudo-homolog Hg. Previous results on the batch uptake of Pb(II) and Sn(IV) are compared with newly investigated Hg(II)… read more here.

Keywords: extraction; ether based; homologs pseudo; crown ether ... See more keywords