Journal
JOURNAL OF THE ROYAL SOCIETY INTERFACE
Volume 10, Issue 87, Pages -Publisher
ROYAL SOC
DOI: 10.1098/rsif.2013.0394
Keywords
structural colour in plants; spectroscopy; iridescence; plant cuticle; multilayer interference
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Funding
- Leverhulme Trust [F/09-741/G]
- Marie Curie IEF FP7 grant [GFP301472]
- EPSRC [EP/G060649/1]
- EPSRC [EP/G060649/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/G060649/1] Funding Source: researchfish
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The outer layers of a range of plant tissues, including flower petals, leaves and fruits, exhibit an intriguing variation of microscopic structures. Some of these structures include ordered periodic multilayers and diffraction gratings that give rise to interesting optical appearances. The colour arising from such structures is generally brighter than pigment-based colour. Here, we describe the main types of photonic structures found in plants and discuss the experimental approaches that can be used to analyse them. These experimental approaches allow identification of the physical mechanisms producing structural colours with a high degree of confidence.
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