Mo-ESM-01 - Porous WS₂ Films for Selective and Humidity-robust NO₂ Sensing and Humidity-robust NO2 Sensing at Room Temperature

Event

EUROSENSORS 2026
2026-09-06 - 2026-09-09
Zurich

Band

Poster

Chapter

Emerging Sensor Materials

Author(s)

S. Hersberger, M. Pereira Martins, S. Fassbind, A. T. Güntner - ETH Zurich,Zurich (Switzerland)

Pages

445 - 446

DOI

10.5162/eurosensors2026/Mo-ESM-01

ISBN

978-3-910600-12-6

Price

free

Abstract

Highly porous WS 2 films were developed for selective NO 2 sensing at room temperature. The films were produced by flame aerosol deposition and dry sulfidation, resulting in a nanostructured porous network. This morphology enabled an enhanced sensor response and much faster response kinetics than compact films. NO 2 was detected down to 1 ppb with excellent discrimination from relevant interferents. The sensor performance remained robust over a wide humidity range and stable during long term testing. The presented sensor is promising for low power air quality monitoring and wearable exposure sensing.