Jump to main content
Jump to site search

Issue 85, 2014
Previous Article Next Article

Unparalleled sensitivity of photonic structures in butterfly wings

Author affiliations

Abstract

Butterflies are famous for their brilliant iridescent colors, which arise from the unparalleled photonic nanostructures of the scales on their wings. In this paper, the sensitivity characteristics of the photonic structures in butterfly wings to surrounding media were found. First, it was shown that the iridescent scales of Morpho menelaus butterfly give a different optical response to surrounding vapours of water, ether and ethanol. Then, the ultra-depth three-dimensional microscope and FESEM were used to observe the morphology and nanostructures of butterfly wing scales. The high spectral response characteristics were identified by using an Ocean Optics spectrometer USB4000. It was found that the reflectance spectra of the Morpho menelaus butterfly scales could provide information about the nature of the surrounding vapours. Afterwards, the theory of multilayer-thin-film interference was used to analyse the mechanism of this sensitivity. It was determined that the multilayer-thin-film interference structure constituted by alternating films with high and low refractive indexes, leading to the sensitivity of butterfly wings. The refractive indexes of surrounding media play an important role in gas sensitivity. These characteristics dramatically outperform those of existing nano-engineered photonic sensors and may have potential in the design of efficient and high sensitivity optical gas sensors.

Graphical abstract: Unparalleled sensitivity of photonic structures in butterfly wings

Back to tab navigation

Supplementary files

Publication details

The article was received on 23 Jun 2014, accepted on 21 Aug 2014 and first published on 28 Aug 2014


Article type: Paper
DOI: 10.1039/C4RA06117A
Author version
available:
Download author version (PDF)
Citation: RSC Adv., 2014,4, 45214-45219
  •   Request permissions

    Unparalleled sensitivity of photonic structures in butterfly wings

    Z. Han, S. Niu, M. Yang, Z. Mu, B. Li, J. Zhang, J. Ye and L. Ren, RSC Adv., 2014, 4, 45214
    DOI: 10.1039/C4RA06117A

Search articles by author

Spotlight

Advertisements