Optical detection of vapor mixtures using structurally colored butterfly and moth wings

Gábor Piszter, K. Kertész, Z. Bálint, L. Bíró

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Photonic nanoarchitectures in the wing scales of butterflies and moths are capable of fast and chemically selective vapor sensing due to changing color when volatile vapors are introduced to the surrounding atmosphere. This process is based on the capillary condensation of the vapors, which results in the conformal change of the chitin-air nanoarchitectures and leads to a vapor-specific optical response. Here, we investigated the optical responses of the wing scales of several butterfly and moth species when mixtures of different volatile vapors were applied to the surrounding atmosphere. We found that the optical responses for the different vapor mixtures fell between the optical responses of the two pure solvents in all the investigated specimens. The detailed evaluation, using principal component analysis, showed that the butterfly-wing-based sensor material is capable of differentiating between vapor mixtures as the structural color response was found to be characteristic for each of them.

Original languageEnglish
Article number3058
JournalSensors (Switzerland)
Volume19
Issue number14
DOIs
Publication statusPublished - Jul 2 2019

Fingerprint

moths
Butterflies
Moths
wings
Vapors
vapors
Atmosphere
Color
Optics and Photonics
Chitin
Principal Component Analysis
Air
chitin
color
atmospheres
principal components analysis
Principal component analysis
Photonics
Condensation
condensation

Keywords

  • Butterfly wing
  • Chemical selectivity
  • Moth wing
  • Optical readout
  • Photonic crystal
  • Principal component analysis
  • Vapor mixture
  • Vapor sensing

ASJC Scopus subject areas

  • Analytical Chemistry
  • Atomic and Molecular Physics, and Optics
  • Biochemistry
  • Instrumentation
  • Electrical and Electronic Engineering

Cite this

Optical detection of vapor mixtures using structurally colored butterfly and moth wings. / Piszter, Gábor; Kertész, K.; Bálint, Z.; Bíró, L.

In: Sensors (Switzerland), Vol. 19, No. 14, 3058, 02.07.2019.

Research output: Contribution to journalArticle

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