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

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Published on: June 18, 2013

Nanowire networks: how does small-world character evolve with dimensionality?

Ryan K Daniels¹, Simon A Brown¹

¹The MacDiarmid Institute for Advanced Materials and Nanotechnology, School of Physical and Chemical Sciences, University of Canterbury, Christchurch, New Zealand. simon.brown@canterbury.ac.nz.

Nanoscale Horizons

|May 13, 2021

Summary

Stacking nanowires creates quasi-3D networks with different connectivity than 2D networks. This topological difference impacts electronic and optoelectronic device applications.

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Area of Science:

Materials Science
Network Science
Condensed Matter Physics

Background:

Nanowire networks are crucial for electronic and optoelectronic devices.
Sequential deposition methods often result in stacked, quasi-3D structures.

Purpose of the Study:

To investigate the topological impact of nanowire stacking.
To compare the network properties of 2D and quasi-3D nanowire networks.

Main Methods:

Comparative analysis of perfectly 2D and quasi-3D nanowire networks.
Benchmarking against Watts Strogatz networks.
Evaluation of topological metrics: clustering, path length, modularity, and small-world propensity.

Main Results:

Quasi-3D nanowire networks exhibit significantly different connectivity compared to 2D networks.
Topological properties diverge notably from standard benchmark networks.

Conclusions:

Nanowire stacking fundamentally alters network topology.
These topological changes have critical implications for nanowire-based device performance and design.