Self-Assembly of SiO2 Nanowires and Si Microwires into Hierarchical Heterostructures on a Large Scale

Novel hierarchical heterostructures made of Si core microwires covered by dense, aligned SiO2 nanowires that form multiple junctions to the cores, have been synthesized on a large scale (see Figure). The Si wires are single crystals with a diameter of ∼ 1–3 μm, whereas the SiO2 nanowires are amorpho...

Full description

Saved in:
Bibliographic Details
Published in:Advanced materials (Weinheim) 2005-04, Vol.17 (8), p.971-975
Main Authors: Hu, J., Bando, Y., Zhan, J., Yuan, X., Sekiguchi, T., Golberg, D.
Format: Article
Language:English
Subjects:
arrays
Microwires
Nanowires
Nanowires, arrays
Self-assembly
Silicon
Vapor-liquid-solid synthesis
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Novel hierarchical heterostructures made of Si core microwires covered by dense, aligned SiO2 nanowires that form multiple junctions to the cores, have been synthesized on a large scale (see Figure). The Si wires are single crystals with a diameter of ∼ 1–3 μm, whereas the SiO2 nanowires are amorphous with a diameter of ∼ 30–80 nm. The materials are envisaged as becoming important for optical fibers, low‐dimensional waveguides, scanning near‐field optical microscopes, and high‐bandwidth optical signal processing devices.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.200401789