etchant - Nanotechnology

What is an Etchant?

An etchant is a chemical substance used to remove layers from the surface of a material in a controlled manner. This process is crucial in nanotechnology for creating intricate patterns and structures at the nanoscale.

Types of Etchants

Wet Etching: Involves liquid chemicals to dissolve materials. Examples include acids and alkali solutions.
Dry Etching: Utilizes gases or plasmas to etch materials. Techniques include reactive ion etching (RIE) and plasma etching.

Applications in Nanotechnology

Etching plays a pivotal role in microfabrication and nanofabrication. It is used to create nanostructures such as nanowires, nanotubes, and quantum dots.

Why is Etching Important?

Etching allows for precise control over the size, shape, and arrangement of structures. This is crucial in the development of semiconductors, MEMS (Micro-Electro-Mechanical Systems), and other nanoscale devices.

Challenges in Etching

Achieving uniformity and avoiding undercutting are significant challenges. Additionally, selecting the appropriate etchant to ensure compatibility with the material and desired etch rate is critical.

Future Prospects

Advancements in etching techniques are expected to enable more complex and smaller nanoscale structures, further pushing the boundaries of what is possible in nanotechnology.

Relevant Publications

Trisodium Citrate as a Double-Edged Sword: Selective Etching Prussian Blue Analog Nanocubes into Orthogonal Frustums and Their Derivatives for Supercapacitors.

Issue Release: 2024

The Selective Enamel Etch Technique.

Issue Release: 2024

Chemical etching of CAD-CAM glass-ceramic-based materials using fluoride solutions for bonding pretreatment.

Issue Release: 2024

Effect of low power Er:YAG laser irradiation of CAD-CAM resin-based composites on resin bonding.

Issue Release: 2024

Time-efficient etching of LR-115 SSNTD film for indoor radon, thoron quantification.

Issue Release: 2024

A Gas-Steamed Route to Mesoporous Open Metal-Organic Framework Cages Enhancing Flame Retardancy and Smoke Suppression of Polyurea.

Issue Release: 2024

Pb Ion Sensors Employing Gold Etching Process: Comparative Investigation on Au Nanorods and Au Nanotriangles.

Issue Release: 2024

Research on carbon and nitrogen removal of tetramethylammonium hydroxide containing wastewater by combined anaerobic/integrated fixed film activated sludge process.

Issue Release: 2024

The Effects of Etchant on via Hole Taper Angle and Selectivity in Selective Laser Etching.

Issue Release: 2024

Ultra-Long Carrier Lifetime of Spiral Perovskite Nanowires Realized through Cooperative Strategy of Selective Etching and Passivation.

Issue Release: 2024

Etched-suppressed gold nanorods providing highly distinctive plasmonic patterns: Towards multiplex analysis of neuroblastoma biomarkers.

Issue Release: 2024

Nanoarchitectonics of Methyl and Aldehyde Group-Decorated SOD-Type Metal-Azolate Framework for SF Capture and Recovery.

Issue Release: 2024

Influence of Surface Pretreatment on the Bond Strength of a Resin Luting Cement to Saliva-contaminated Enamel and Dentin.

Issue Release: 2024

A comprehensive overview of recent progress in MXene-based polymer composites: Their fabrication processes, advanced applications, and prospects.

Issue Release: 2024

Analytical study of KOH wet etch surface passivation for III-nitride micropillars.

Issue Release: 2024

Effect of experimental dentin etchants on dentin bond strength, metalloproteinase inhibition, and antibiofilm activity.

Issue Release: 2024

Enhancing char formation of flame retardant epoxy composites: Onigiri-like ZIF-67 modification with carboxymethyl β-cyclodextrin crosslinking.

Issue Release: 2024

Effectiveness of Different Etching Agents on Enamel Surface and Shear Bond Strength: An In Vitro Evaluation.

Issue Release: 2024

Evaluation of vertical marginal discrepancy and load-to-failure of monolithic zirconia and lithium disilicate laminate veneers manufactured in different thicknesses.

Issue Release: 2024

Synthesis and Application of Titanium Carbide (Ti3C2)-Cobalt Sulfide (Co3S4) Nanocomposites in Amino Acid Biosensing.

Issue Release: 2024

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