Cobalt Nitrogen Doping
Cobalt Nitrogen Doping - Related Videos
11:58
Synthesis and Functionalization of Nitrogen-doped Carbon Nanotube Cups with Gold Nanoparticles as Cork Stoppers
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Cited by 10 •
2013
We discussed the synthesis of individual graphitic nanocups using a series of techniques including chemical vapor deposition, acid oxidation and probe-tip sonication. By citrate reduction of HAuCl4, the graphitic nanocups were effectively corked with gold nanoparticles due to the chemically reactive edges of the cups.
11:46
Synthesis of an Oxygen-Carrying Cobalt(II) Complex
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Source: Deepika Das, Tamara M. Powers, Department of Chemistry, Texas A&M University Bioinorganic chemistry is the field of study that investigates the role that metals play in biology. Approximately half of all proteins contain metals and it is estimated that up to one third of all proteins rely on metal-containing active sites to function. Proteins that feature metals, called metalloproteins, play a vital role in a variety of cell functions that are necessary for life. Metalloproteins...
09:45
Monolayer Contact Doping of Silicon Surfaces and Nanowires Using Organophosphorus Compounds
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Cited by 9 •
2013
A detailed procedure for surface doping of Silicon interfaces is provided. The ultra-shallow surface doping is demonstrated by using phosphorus containing monolayers and rapid annealing process. The method can be used for doping of macroscopic area surfaces as well as nanostructures.
01:49
The Nitrogen Cycle
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2019
Nitrogen atoms, present in all proteins and DNA, are recycled between abiotic and biotic components of the ecosystem. However, the primary form of nitrogen on Earth is nitrogen gas, which cannot be used by most animals and plants. Thus, nitrogen gas must first be converted into a usable form by nitrogen-fixing bacteria before it can be cycled through other living organisms. The use of nitrogen-containing fertilizers and animal waste products in human agriculture has greatly influenced the...
11:07
Synthesis of Non-uniformly Pr-doped SrTiO3 Ceramics and Their Thermoelectric Properties
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Cited by 4 •
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A protocol for the synthesis and processing of polycrystalline SrTiO3 ceramics doped non-uniformly with Pr is presented along with the investigation of their thermoelectric properties.
FAQs
Cobalt–nitrogen coordination structures can change the local electronic environment of the host material. That change may influence how the surface interacts with reactants, while nitrogen-containing sites and cobalt-containing features can also affect conductivity, surface reactivity, and adsorption. Consequently, researchers examine composition and structure together rather than treating cobalt content alone as the sole determinant of catalytic or electrocatalytic behavior.
Thermal treatment helps transform introduced cobalt and nitrogen precursors into features incorporated within the host. Depending on the resulting structure, the process can produce nitrogen-containing sites, cobalt–nitrogen coordination structures, or embedded cobalt nanoparticles. These different outcomes matter because they alter the material’s composition and electronic structure, which can determine changes in conductivity, adsorption, and surface reactivity.
They represent different cobalt-containing forms within the host material. Coordination structures place cobalt and nitrogen in a defined chemical relationship, whereas nanoparticles are cobalt-containing particles embedded in the host. Because these structures are not identical, they may influence electronic structure, surface reactivity, and adsorption through different mechanisms. Comparing them helps connect observed performance with the material’s composition and architecture.
A typical sequence introduces cobalt and nitrogen precursors into a selected host material during synthesis, followed by thermal treatment. The resulting solid is then considered in terms of the features formed, such as nitrogen-containing sites, cobalt–nitrogen coordination structures, or embedded cobalt nanoparticles. This workflow links precursor incorporation and heating conditions with the composition and chemical performance of the final material.
These materials are studied in catalytic and electrocatalytic systems involving oxygen reduction, oxygen evolution, and hydrogen evolution. Their conductivity, surface reactivity, adsorption behavior, and cobalt–nitrogen features are relevant when assessing performance in those reactions. Examining several reactions allows researchers to determine how changes in composition and electronic structure relate to different forms of chemical or electrochemical activity.
In chemistry, cobalt nitrogen doping provides a way to relate material composition and electronic structure to catalytic or electrocatalytic performance. The resulting materials are investigated for fuel cells, water splitting, batteries, and other energy-conversion technologies. Their relevance comes from the possibility of tuning conductivity, adsorption, and surface reactivity for reactions that support energy generation, storage, or conversion.