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Template-assisted nanostructuring (Overview)

Self-assembled diblock copolymer nanostructure

Mesoporous gyroid film on conducting FTO

Electrodeposition of functional materials: Ni, NiO, V2O5, TiO2, ...

Selective removal of organic template

Assembly of functional devices

Versatile method

E. Crossland et al., Nano Letters, 2009, 9(8):2807-2812

E. Crossland et al., Nano Letters, 2009, 9(8):2813-2819

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Replica

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Structural color

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Where does colour come from?

Pigment colours Structural colours

white light

bright, pure, directional

- Iridescence -

red

blue

pigment

Scattered red light - rest of light absorbed

white light

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9

Nature is more complex

• Urania butterfly

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Nature is more complex

• Morpho butterfly

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Replica

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Nature is more complex

• Papilio palinurus

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Nature is more complex

• Japanese jewel beetle

400 nm

TEM - micrograph

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Nature is more complex

• Japanese jewel beetle