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Advances in accessing rare oxidation states of nickel for catalytic innovation.
Chem Commun (Camb)
January 2025
Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal, 721302, India.
Nickel catalysis has experienced a renaissance over the past two decades, driven by its ability to access diverse oxidation states (0 to +4) and unique reactivity. This review consolidates the advancements in nickel chemistry, providing an overview of ligands that stabilize specific nickel oxidation states. The stability, reactivity, and catalytic applications of Ni sources, including generation from air- and moisture-stable Ni precursors, are discussed, along with the roles of Ni and Ni intermediates in catalytic cycles.
View Article and Find Full Text PDFDesigned Synthesis of Amino-Azo-Quinoline and their Nickel(II) Complexes: Molecular Structure, Electrochemistry and an Insight into their in vitro Anti-Cancer Activities.
Chem Biodivers
January 2025
St Xavier's College, Kolkata, Department of Chemistry, 30, Mother teresa Sarani, Kol-16, 700016, Kolkata, INDIA.
Amino-quinolines are potential candidates that may provide some insight into the current chemotherapeutic research due to their demonstrated anti-cancer activity. This led us to synthesize and explore a new amino-azo-quinoline ligand H2L 1 and its square planar nickel(II) complexes [Ni(HL)(OAc)], 2 and [Ni(HL)Cl], 3 and the structures were determined by SCXRD. Theoretical investigation of redox orbitals of the complexes discloses that the reduction process is due to ligand reduction whereas both metal and ligand are contributing towards oxidation.
View Article and Find Full Text PDFNiFe-based arrays with manganese dioxide enhance chloride blocking for durable alkaline seawater oxidation.
J Colloid Interface Sci
January 2025
College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250014 Shandong, China; Center for High Altitude Medicine, West China Hospital, Sichuan University, Chengdu 610041 Sichuan, China. Electronic address:
Seawater splitting is increasingly recognized as a promising technique for hydrogen production, while the lack of good electrocatalysts and detrimental chlorine chemistry may hinder further development of this technology. Here, the interfacial engineering of manganese dioxide nanoparticles decorated on NiFe layered double hydroxide supported on nickel foam (MnO@NiFe LDH/NF) is reported, which works as a robust catalyst for alkaline seawater oxidation. Density functional theory calculations and experiment findings reveal that MnO@NiFe LDH/NF can selectively enrich OH and repel Cl in oxygen evolution reaction (OER).
View Article and Find Full Text PDFIntegrative biomonitoring in Litopenaeus vannamei: Metal analysis and biochemical markers.
Mar Pollut Bull
January 2025
ICAR-National Institute of Abiotic Stress Management, Baramati, Pune-413115, India.
Contaminants are a major cause of seafood export rejections in foreign markets and have significantly impacted consumer health. This investigation addresses the issues of metal contamination and biochemical markers in Litopenaeus vannamei from East Midnapore, West Bengal, India. The analyzed metals included vanadium (V), chromium (Cr), manganese (Mn), cobalt (Co), nickel (Ni), copper (Cu), zinc (Zn), molybdenum (Mo), silver (Ag), gallium (Ga), germanium (Ge), arsenic (As), selenium (Se), strontium (Sr), tin (Sn), cadmium (Cd), mercury (Hg), and lead (Pb), using Inductively Coupled Plasma Mass Spectrometry (ICP-MS).
View Article and Find Full Text PDFTunable architecture of cobalt-nickel metal-organic framework/activated carbon composites for superior electrochemical performance in asymmetric supercapacitors.
J Colloid Interface Sci
January 2025
College of Material Engineering, Fujian Agriculture and Forestry University, 63 Xiyuangong Road, Fuzhou 350002 PR China. Electronic address:
Cobalt-nickel metal-organic framework/activated carbon (MOF/AC) composites with tunable flower-like architectures were synthesized via a straightforward hydrothermal method, utilizing activated carbon as a structural and functional modifier. This modification increased the surface area from 20.3 m/g to 164.
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