Metallic materials - Nanotechnology

What are Metallic Nanomaterials?

Metallic nanomaterials are materials that have at least one dimension in the nanoscale range (1 to 100 nanometers). These materials include nanoparticles, nanowires, and nanotubes made from metals such as gold, silver, platinum, and iron. Due to their unique properties, these materials are extensively studied and applied in various fields.

Why are Metallic Nanomaterials Important?

Metallic nanomaterials exhibit unique physical, chemical, and electrical properties that are significantly different from their bulk counterparts. These properties include enhanced surface area, quantum effects, and optical properties that make them valuable in applications like catalysis, biomedical devices, sensors, and electronic devices.

How are Metallic Nanomaterials Synthesized?

There are various methods to synthesize metallic nanomaterials, including chemical vapor deposition (CVD), sol-gel processes, hydrothermal methods, and mechanical milling. Each method has its own advantages and limitations, depending on the desired size, shape, and properties of the nanomaterials.

What are the Applications of Metallic Nanomaterials?

1. Catalysis: Metallic nanomaterials, like gold nanoparticles, are used as catalysts in chemical reactions due to their high surface area and reactivity.
2. Medical Field: Silver nanoparticles have antimicrobial properties and are used in wound dressings and coatings for medical devices.
3. Electronics: Nanowires and nanotubes made from metals are used in the development of nanoscale electronic components like transistors and sensors.
4. Energy Storage: Metallic nanomaterials are used in batteries and supercapacitors due to their high conductivity and surface area.

What are the Challenges in Using Metallic Nanomaterials?

1. Toxicity: Some metallic nanomaterials can be toxic to humans and the environment. Understanding and mitigating these effects is crucial.
2. Scalability: Producing metallic nanomaterials on a large scale while maintaining their unique properties is challenging.
3. Stability: Metallic nanomaterials can be unstable and prone to oxidation or aggregation, which can alter their properties and effectiveness.

What is the Future of Metallic Nanomaterials?

The future of metallic nanomaterials is promising, with ongoing research aimed at improving their synthesis methods, enhancing their properties, and expanding their applications. Innovations in this field could lead to breakthroughs in nanomedicine, energy storage, and electronics, significantly impacting various industries.

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High Entropy Spinel Oxide (AlCrCoNiFe)O as Highly Active Oxygen Evolution Reaction Catalysts.

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Computational design of the novel Fe-doped single-layer SrS: structural, electro-magnetic, and optical properties.

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Beyond metals: theoretical discovery of semiconducting MAX phases and their potential application in thermoelectrics.

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Adsorption and solar light activity of noble metal adatoms (Au and Zn) on Fe(111) surface: a first-principles study.

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Developments in anticorrosive organic coatings modulated by nano/microcontainers with porous matrices.

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Carbon carrier-based rapid Joule heating technology: a review on the preparation and applications of functional nanomaterials.

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Metallic CoSb and Janus CoAsSb monolayers as promising anode materials for metal-ion batteries.

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The synergistic interplay of hierarchy, crystal size, and Ga-promotion in the methanol-to-aromatics process over ZSM-5 zeolites.

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Defect effects on the electronic, valley, and magnetic properties of the two-dimensional ferrovalley material VSiN.

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A systematic investigation of chromium and vanadium impurities in a Janus GaSO monolayer towards spintronic applications.

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Liposome-based hybrid drug delivery systems with DNA nanostructures and metallic nanoparticles.

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Surface Modification of ZrCuAlAg Bulk Metallic Glass through Glow Discharge Plasma Nitriding.

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Visual Computation of Material Microstructure and Deformation.

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Comparative Study of the Dimensional and Shape Accuracy of Parts Made of 316L Manufactured Using the SLM and Casting Methods after Milling and WEDM.

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A Simple Method to Manufacture a Force Sensor Array Based on a Single-Material 3D-Printed Piezoresistive Foam and Metal Coating.

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Implementation of excellent spin-filtering effect in half-metallic electrode-based single-molecule optoelectronic devices.

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ZnO-templated hollow amorphous carbon: oxygen adsorption and doping synergy for enhanced ORR catalysis.

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Control of work functions of nanophotonic components.

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Antioxidant-related enzymes and peptides as biomarkers of metallic nanoparticles (eco)toxicity in the aquatic environment.

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Analysis of the Ag M EELS edge to study silver nanoparticle corrosion.

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