REAL

Pretreated Butterfly Wings for Tuning the Selective Vapor Sensing

Piszter, Gábor and Kertész, Krisztián Imre and Bálint, Zsolt and Biró, László Péter (2016) Pretreated Butterfly Wings for Tuning the Selective Vapor Sensing. SENSORS, 16 (9). p. 1446. ISSN 1424-8220

[img]
Preview
Text
Pretreated_sensors_16_01446_u.pdf

Download (1MB) | Preview

Abstract

Photonic nanoarchitectures occurring in the scales of Blue butterflies are responsible for their vivid blue wing coloration. These nanoarchitectures are quasi-ordered nanocomposites which are constituted from a chitin matrix with embedded air holes. Therefore, they can act as chemically selective sensors due to their color changes when mixing volatile vapors in the surrounding atmosphere which condensate into the nanoarchitecture through capillary condensation. Using a home-built vapor-mixing setup, the spectral changes caused by the different air + vapor mixtures were efficiently characterized. It was found that the spectral shift is vapor-specific and proportional with the vapor concentration. We showed that the conformal modification of the scale surface by atomic layer deposition and by ethanol pretreatment can significantly alter the optical response and chemical selectivity, which points the way to the efficient production of sensor arrays based on the knowledge obtained through the investigation of modified butterfly wings.

Item Type: Article
Subjects: Q Science / természettudomány > QL Zoology / állattan
SWORD Depositor: MTMT SWORD
Depositing User: MTMT SWORD
Date Deposited: 02 Dec 2016 12:25
Last Modified: 02 Dec 2016 12:25
URI: http://real.mtak.hu/id/eprint/42713

Actions (login required)

Edit Item Edit Item