Results 31 to 40 of about 974,722 (302)

Silicon Nanowire Photocathodes for Photoelectrochemical Hydrogen Production

open access: yesNanomaterials, 2016
The performance of silicon for water oxidation and hydrogen production can be improved by exploiting the antireflective properties of nanostructured silicon substrates. In this work, silicon nanowires were fabricated by metal-assisted electroless etching
Soundarrajan Chandrasekaran   +2 more
doaj   +1 more source

Mechanical Behaviors of Si/CNT Core/Shell Nanocomposites under Tension: A Molecular Dynamics Analysis

open access: yesNanomaterials, 2021
The silicon/carbon nanotube (core/shell) nanocomposite electrode model is one of the most promising solutions to the problem of electrode pulverization in lithium-ion batteries.
Jee Soo Shim   +3 more
doaj   +1 more source

Hidden defects in silicon nanowires [PDF]

open access: yesNanotechnology, 2011
Recent publications have reported the presence of hexagonal phases in Si nanowires. Most of these reports were based on 'odd' diffraction patterns and HRTEM images—'odd' means that these images and diffraction patterns could not be obtained on perfect silicon crystals in the classical diamond cubic structure.
den Hertog, Martien   +6 more
openaire   +4 more sources

Ultralow Thermal Conductivity of Single‐Crystalline Porous Silicon Nanowires [PDF]

open access: yes, 2017
Porous materials provide a large surface‐to‐volume ratio, thereby providing a knob to alter fundamental properties in unprecedented ways. In thermal transport, porous nanomaterials can reduce thermal conductivity by not only enhancing phonon scattering ...
Yunshan Zhao   +12 more
semanticscholar   +1 more source

Direct Synthesis of α-Silicon Nitride Nanowires from Silicon Monoxide on Alumina

open access: yesNanomaterials and Nanotechnology, 2015
Silicon nitride nanowires were synthesized using silicon monoxide as raw materials and an alumina plate as substrate at 1500°C. The obtained nanowires were characterized by X-ray diffraction, Fourier transform infrared spectrosco‐ py, scanning electron ...
Jiang Cui   +4 more
doaj   +1 more source

Catalyst-free synthesis of sub-5 nm silicon nanowire arrays with massive lattice contraction and wide bandgap

open access: yesNature Communications, 2022
The preparation of quantum silicon nanowires, materials with potential application in high-performance nanodevices, is challenging. Here, the authors synthesize vertically aligned sub-5 nm silicon nanowires via a vapor phase silicon etching process; the ...
Sen Gao   +18 more
doaj   +1 more source

Fabrication of Silicon Nanowires and Transistors with Silicon Nanowire-Channels

open access: yesJournal of the Vacuum Society of Japan, 2009
Si nanowires (SiNWs) were synthesized by gold (Au)-catalyzed chemical vapor deposition (CVD). To control the morphology of SiNWs, the growth parameters were systematically changed and they were studied by transmission and scanning electron microscopes and Raman spectroscopy.
KAWASHIMA, Takahiro   +2 more
openaire   +2 more sources

Electrical transport of SiNWs array after covalent attachment of new organic functionalities

open access: yesNanomaterials and Nanotechnology, 2012
Modification of the electrical transport of a random network of silicon nanowires assembled on n‐ silicon support, after silicon nanowires functionalization by chlorination/alkylation procedure , is here described and discussed.
Marianna Ambrico   +2 more
doaj   +1 more source

A Novel Top-Down Fabrication Process for Vertically-Stacked Silicon-Nanowire Array

open access: yesApplied Sciences, 2020
Silicon nanowires are widely used for sensing applications due to their outstanding mechanical, electrical, and optical properties. However, one of the major challenges involves introducing silicon-nanowire arrays to a specific layout location with ...
Kangil Kim   +3 more
doaj   +1 more source

ALD-passivated silicon nanowires for broadband absorption applications

open access: yesAIP Advances, 2021
Silicon photonics enables the fabrication of optical devices with standard semiconductor processing technology. With high transparency and modal confinement, Si has matured into a well-established infrared optical material.
Felix Kimeu   +3 more
doaj   +1 more source

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