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[ASAP] Single-Crystal 2D Covalent Organic Frameworks for Plant Biotechnology
Bioinspired Metal‐Organic Frameworks in Mixed Matrix Membranes for Efficient Static/Dynamic Removal of Mercury from Water
The potential of metal‐organic frameworks (MOFs) and MOF‐based membranes in water remediation receives a very important boost with the reported results. New MOF‐based membranes are testified as sustainable, effective, and cheap solution for mercury decontamination to get drinking water, with the potential of minimizing the impact of this pollutant on the environment and human bodies.
Abstract
The mercury removal efficiency of a novel metal‐organic framework (MOF) derived from the amino acid S‐methyl‐L‐cysteine is presented and the process is characterized by single‐crystal X‐ray crystallography. A feasibility study is further presented on the performance of this MOF—and also that of another MOF derived from the amino acid L‐methionine—when used as the sorbent in mixed matrix membranes (MMMs). These MOF‐based MMMs exhibit high efficiency and selectivity—in both static and dynamic regimes—in the removal of Hg2+ from aqueous environments, due to the high density of thioalkyl groups decorating MOF channels. Both MMMs are capable to reduce different concentration of the pollutant to acceptable limits for drinking water (<2 parts per billion). In addition, a novel device, consisting of the recirculation and adsorption of contaminated solutions through the MOF–MMMs, is designed and successfully explored in the selective capture of Hg2+. Thus, filtration of Hg2+ solutions with multiple passes through the permeation cell shows a gradual decrease of the pollutant concentration. These results suggest that MOF‐based MMMs can be implemented in water remediation, helping to reduce either contaminants from accidental unauthorized or deliberate metal industrial dumping and to ensure access for clean and potable freshwater.
Operando probing of Li-insertion into LiMn2O4 cathodes by spectroscopic ellipsometry
DOI: 10.1039/C9TA12723B, Paper
A novel operando spectroscopic ellipsometry tool for the characterization of battery materials that combines high spatial resolution with multi-layer and time-resolved capabilities.
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Improving the intrinsic electrocatalytic hydrogen evolution activity of few-layer NiPS3 by cobalt doping
DOI: 10.1039/C7CC03173D, Communication
Cobalt doping can efficiently improve the intrinsic electrocatalytic hydrogen evolution activity of NiPS3 materials.
The content of this RSS Feed (c) The Royal Society of Chemistry