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Related Experiment Video

Updated: May 7, 2026

Ultrahigh Density Array of Vertically Aligned Small-molecular Organic Nanowires on Arbitrary Substrates

Ultrahigh Density Array of Vertically Aligned Small-molecular Organic Nanowires on Arbitrary Substrates

Published on: June 18, 2013

High-Uniformity, Shape-Controlled Silicon Nanowires for Enhanced Performance in Optoelectronic Devices.

Zhi-Jun Zhao^1,2, Sang-Ho Shin^3,4, Xianwu Xu²

¹Institute of Smart City and Intelligent Transportation, Southwest Jiaotong University, Chengdu, 611756, China.

|January 19, 2025

Summary

This summary is machine-generated.

Researchers developed a new method to create uniform silicon nanowires (Si NWs) for electronics and photonics. This scalable technique improves control over nanowire size and shape, enabling advanced applications.

Keywords:

Si nanowires high‐uniformity metal‐assisted chemical etching optical devices

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Last Updated: May 7, 2026

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Flow-assisted Dielectrophoresis: A Low Cost Method for the Fabrication of High Performance Solution-processable Nanowire Devices

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Published on: December 7, 2017

Area of Science:

Nanotechnology
Materials Science
Electrical Engineering

Background:

Silicon nanowires (Si NWs) offer unique properties for electronics, photonics, energy storage, and sensing.
Current limitations include challenges in large-scale production, uniformity, and shape control.

Purpose of the Study:

To present a novel fabrication approach for producing highly uniform and shape-controlled Si NW arrays.
To demonstrate the potential of these Si NWs in optoelectronic devices through broadband absorption.

Main Methods:

Utilized a combination of nanoimprint lithography, nanotransfer printing, and metal-assisted chemical etching.
Optimized process parameters to control Si NW diameters (100, 200, 400 nm) on 6-inch wafers.
Applied conformal titanium nitride coating for enhanced optical properties.

Main Results:

Successfully fabricated highly uniform Si NW arrays with controlled diameters.
Achieved high uniformity confirmed by statistical and surface reflection analyses.
Demonstrated broadband absorption (75% average from 250-2500 nm) with titanium nitride-coated Si NWs.

Conclusions:

The novel fabrication method enables scalable production of uniform Si NWs.
The developed Si NWs show significant potential for next-generation optoelectronic devices.
Findings offer insights for integrating Si NWs into high-performance electronic systems.