Nickel Complexes
Nickel Complexes - Related Videos
08:40
Gyroid Nickel Nanostructures from Diblock Copolymer Supramolecules
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Cited by 3 •
2014
This article describes the preparation of well-ordered nickel nanofoams via electroless metal deposition onto nanoporous templates obtained from self-assembled diblock copolymer based supramolecules.
08:42
Coordination Chemistry Complexes
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2023
Source: Laboratory of Dr. Neal Abrams — SUNY College of Environmental Science and Forestry Transition metals are found everywhere from vitamin supplements to electroplating baths. Transition metals also make up the pigments in many paints and compose all minerals. Typically, transition metals are found in the cationic form since they readily oxidize, or lose electrons, and are surrounded by electron donors called ligands. These ligands do not form ionic or covalent bonds with the metal center,...
09:02
Synthesis of Platinum-nickel Nanowires and Optimization for Oxygen Reduction Performance
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2018
The protocol describes the synthesis and electrochemical testing of platinum-nickel nanowires. Nanowires were synthesized by the galvanic displacement of a nickel nanowire template. Post-synthesis processing, including hydrogen annealing, acid leaching, and oxygen annealing were used to optimize nanowire performance and durability in the oxygen reduction reaction.
03:54
Nickel Affinity Chromatography-Based Protein Purification: A Technique to Purify Polyhistidine-Tagged Recombinant Proteins from Bacterial Cell Lysate
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2025
In this video, we demonstrate the nickel affinity chromatography technique to purify histidine-tagged pyrophosphokinase enzymes from Clostridium difficile bacteria.
07:57
Effect of Microwave Synthesis Conditions on the Structure of Nickel Hydroxide Nanosheets
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Cited by 1 •
2023
Nickel hydroxide nanosheets are synthesized by a microwave-assisted hydrothermal reaction. This protocol demonstrates that the reaction temperature and time used for microwave synthesis affects the reaction yield, crystal structure, and local coordination environment.
FAQs
The nickel oxidation state and the spatial arrangement of surrounding ligands strongly influence molecular geometry, electronic structure, and magnetic behavior. They also affect the complex’s color and how readily ligands exchange or participate in redox reactions. Comparing complexes with different nickel environments therefore helps chemists connect structural changes with observable physical properties and chemical reactivity.
These donor atoms provide different ligand environments around nickel, allowing the metal’s behavior to be adjusted through changes in its coordination sphere. The choice of donor atom can influence bonding, geometry, electronic properties, and reactivity. This tunability helps researchers design nickel complexes for particular catalytic, biomimetic, molecular-material, or electrochemical purposes.
Ligand exchange changes which donor atoms surround the nickel ion, while a redox reaction changes the oxidation state of the metal. Either process can alter geometry, electronic structure, magnetic behavior, and color. Because these changes are linked, studying them provides a way to understand how modifications in a nickel complex can affect stability and chemical reactivity.
Nickel complexes serve as catalysts by providing a metal environment whose ligands can be adjusted to influence reactivity. Their tunable coordination spheres support applications in bond-forming and hydrogenation reactions, where controlling metal–ligand interactions is important. These uses connect fundamental studies of nickel electronic structure with synthetic chemistry and industrial processes.
Their defined nickel centers and adjustable ligand environments allow chemists to examine how metal–ligand bonding relates to reactivity in a controlled molecular system. Such complexes can model selected features of metalloenzyme active sites, helping connect coordination chemistry with biological metal centers. The comparison is especially useful for studying how the surrounding environment influences nickel behavior.
Nickel complexes can contribute to molecular materials and electrochemical systems because their properties respond to changes in metal oxidation state and ligand environment. Their electronic and redox behavior provides a chemical basis for investigating tunable molecular components. These applications extend nickel coordination chemistry beyond isolated compounds toward materials and energy-related research.