Micro World
How small is a silicon nanowire?
A typical silicon nanowire is about 50 nm across.
What is measured: synthetic semiconductor nanowire, typical diameter
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How big is that, really?
- About 2 would fit across a flu virus
- As wide as about 2 ribosomes side by side
- About 25× as wide as a DNA double helix
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Facts about Silicon Nanowire
Silicon nanowires are used in advanced batteries and sensors because their tiny size gives them unusual electrical properties.
Source: Nature Nanotechnology reviews; IEEE Nanotechnology Magazine
Micro World
Compared with other microscopic things
| Name | Size | Compared with Silicon Nanowire |
|---|---|---|
| Bacteriophage Phi X174 | 27 nm | 0.54× |
| Qβ Bacteriophage | 28 nm | 0.56× |
| Silver Nanoparticle | 40 nm | 0.8× |
| Fibrinogen Molecule | 45 nm | 0.9× |
| Silicon Nanowire | 50 nm | this page |
| West Nile Virus | 50 nm | same size |
| Human Papillomavirus | 55 nm | 1.1× |
| Cyanophage P-SSP7 | 60 nm | 1.2× |
| Silica Nanoparticle | 100 nm | 2× |
| Titanium Dioxide Nanoparticle | 100 nm | 2× |
Test your sense of scale
Which is bigger: Silicon Nanowire or Cyanophage P-SSP7?
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