Articles with "metal assisted" as a keyword



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Structuring of Si into Multiple Scales by Metal-Assisted Chemical Etching.

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Published in 2021 at "Advanced materials"

DOI: 10.1002/adma.202005932

Abstract: Structuring Si, ranging from nanoscale to macroscale feature dimensions, is essential for many applications. Metal-assisted chemical etching (MaCE) has been developed as a simple, low-cost, and scalable method to produce structures across widely different dimensions.… read more here.

Keywords: metal assisted; mace; structuring multiple; chemical etching ... See more keywords

Alkali‐Metal–Assisted Green‐Solvent Synthesis for In Situ Growth of Perovskite Nanocrystals in Porous Materials

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Published in 2024 at "Advanced Science"

DOI: 10.1002/advs.202305880

Abstract: Inorganic metal halide perovskite CsPbX3 (X = I, Br, and Cl) nanocrystals (NCs) are rapidly developed due to their excellent photophysical properties and potential applications in lighting, lasers, and scintillators. However, the materials for growing… read more here.

Keywords: green solvent; alkali metal; assisted green; solvent synthesis ... See more keywords
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Metal Assisted Synthesis of Cationic Sulfidobismuth Cubanes in Ionic Liquids.

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Published in 2021 at "ChemistryOpen"

DOI: 10.1002/open.202000246

Abstract: Bi2 S3 was dissolved in the presence of either AuCl/PtCl2 or AgCl in the ionic liquids [BMIm]Cl ⋅ xAlCl3 (BMIm=1-n-butyl-3-methylimidazolium; x=4-4.3) through annealing the mixtures at 180 or 200 °C. Upon cooling to room temperature, orange, air-sensitive crystals… read more here.

Keywords: metal assisted; metal; synthesis cationic; assisted synthesis ... See more keywords
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Hybrid Anodic and Metal-Assisted Chemical Etching Method Enabling Fabrication of Silicon Carbide Nanowires.

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Published in 2019 at "Small"

DOI: 10.1002/smll.201803898

Abstract: Silicon carbide (SiC) is one of the most important third-generation semiconductor materials. However, the chemical robustness of SiC makes it very difficult to process, and only very limited methods are available to fabricate nanostructures on… read more here.

Keywords: silicon carbide; anodic metal; metal assisted; hybrid anodic ... See more keywords

Modified Si Oxidation Behavior by Ultrathin Ni Catalyst Enabling Oxidant-Less Metal-Assisted Chemical Etching.

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Published in 2024 at "Small"

DOI: 10.1002/smll.202409091

Abstract: Metal-assisted chemical etching (MACE), a wet-based anisotropic etching process for semiconductors, has emerged as an alternative to plasma-based etching. However, using noble metal catalysts in MACE limits the implementation of complementary metal-oxide-semiconductor (CMOS) processes. This… read more here.

Keywords: assisted chemical; catalyst; ultrathin catalyst; metal assisted ... See more keywords
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Metal-assisted photochemical etching of gallium nitride using electrodeposited noble metal nanoparticles as catalysts

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Published in 2017 at "Electrochemistry Communications"

DOI: 10.1016/j.elecom.2017.01.021

Abstract: Porous gallium nitride (PGaN) layers were fabricated by metal-assisted photochemical etching (MaPCE) using electrodeposited platinum nanoparticles (PtNPs) or gold nanoparticles (AuNPs) as catalysts. After identification of a suitable negative potential and appropriate cyclic voltammetry (CV)… read more here.

Keywords: metal assisted; using electrodeposited; metal; gallium nitride ... See more keywords

Ordered arrays of Si nanopillars with alternating diameters fabricated by nanosphere lithography and metal-assisted chemical etching

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Published in 2021 at "Materials Science in Semiconductor Processing"

DOI: 10.1016/j.mssp.2021.105746

Abstract: Abstract Ordered Si nanopillar arrays have a great potential for e.g. photonic, sensing and electronic devices. In the present article, we investigate the tailoring of Si nanostructure geometries obtained on large areas by nanosphere lithography… read more here.

Keywords: metal; metal assisted; assisted chemical; nanosphere lithography ... See more keywords

Enhanced metal assisted etching method for high aspect ratio microstructures: Applications in silicon micropillar array solar cells

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Published in 2019 at "Solar Energy"

DOI: 10.1016/j.solener.2019.10.033

Abstract: Abstract A solar cell device, fabricated on high density array cylindrical pillars, enables photogenerated carrier collection in the radial direction, thus shortening the path length of the carriers reaching the junction. It also provides advantages… read more here.

Keywords: aspect ratio; metal assisted; assisted etching; high aspect ... See more keywords
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Metal-Assisted Assembly of Protein Containers Loaded with Inorganic Nanoparticles.

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Published in 2018 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.8b01995

Abstract: Protein containers are suitable building blocks for bioinorganic materials. Here, we show that high concentrations of magnesium ions induce the formation of a unitary protein scaffold, whereas low magnesium concentration leads to a binary protein… read more here.

Keywords: protein scaffold; protein containers; nanoparticles metal; inorganic nanoparticles ... See more keywords

Controlling Kink Geometry in Nanowires Fabricated by Alternating Metal-Assisted Chemical Etching.

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Published in 2017 at "Nano letters"

DOI: 10.1021/acs.nanolett.6b04410

Abstract: Kinked silicon (Si) nanowires (NWs) have many special properties that make them attractive for a number of applications, such as microfluidics devices, microelectronic devices, and biosensors. However, fabricating NWs with controlled three-dimensional (3D) geometry has… read more here.

Keywords: metal assisted; number; geometry; alternating metal ... See more keywords

Kinked silicon nanowires: Superstructures by metal assisted chemical etching.

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Published in 2019 at "Nano letters"

DOI: 10.1021/acs.nanolett.9b02568

Abstract: We report on metal assisted chemical etching of Si for the synthesis of mechanically-stable, hybrid crystallographic orientation Si superstructures with high aspect ratio, above 200. This one-pot-type method sustains high etching rates and facilitates reproducible… read more here.

Keywords: kinked silicon; chemical etching; metal assisted; assisted chemical ... See more keywords