期刊
NATURE NANOTECHNOLOGY
卷 5, 期 7, 页码 511-515出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/NNANO.2010.101
关键词
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资金
- EPSRC [EP/G060649/1, EP/E040241, EP/C511786/1]
- DAAD (German Academic Exchange Service)
- Cambridge Newton Trust
- BBSRC [BB/E000177/1] Funding Source: UKRI
- EPSRC [EP/G060649/1, EP/E040241/1, EP/F059396/1] Funding Source: UKRI
- Biotechnology and Biological Sciences Research Council [BB/E000177/1, JF16983] Funding Source: researchfish
- Engineering and Physical Sciences Research Council [EP/F059396/1, EP/C511786/1, EP/E040241/1, EP/G060649/1] Funding Source: researchfish
The brightest and most vivid colours in nature arise from the interaction of light with surfaces that exhibit periodic structure on the micro- and nanoscale. In the wings of butterflies, for example, a combination of multilayer interference, optical gratings, photonic crystals and other optical structures gives rise to complex colour mixing. Although the physics of structural colours is well understood, it remains a challenge to create artificial replicas of natural photonic structures(1-3). Here we use a combination of layer deposition techniques, including colloidal self-assembly, sputtering and atomic layer deposition, to fabricate photonic structures that mimic the colour mixing effect found on the wings of the Indonesian butterfly Papilio blumei. We also show that a conceptual variation to the natural structure leads to enhanced optical properties. Our approach offers improved efficiency, versatility and scalability compared with previous approaches(4-6).
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