MP3 - Selective Formaldehyde Sensing: Unraveling Metal–Support Interaction Effects in Single-Atom Cu Catalysts
- Event
- EUROSENSORS XXXVII
2025-09-07 - 2025-09-10
Wroclaw - Band
- Poster I
- Chapter
- Bio/chemical and Environmental Sensors
- Author(s)
- H. Shin, A. Güntner - ETH Zürich, Zurich (Switzerland)
- Pages
- 208 - 209
- DOI
- 10.5162/EUROSENSORS2025/MP3
- ISBN
- 978-3-910600-07-2
- Price
- free
Abstract
The selective detection of air pollutants remains a critical challenge. Here, we investigate the role of metal–support interaction in determining gas sensing behavior using single-atom Cu catalysts anchored on Co₃O₄ for formaldehyde vapor. Strong interfacial coupling modulates the redox properties of the support, enhancing sensitivity, selectivity, and low-temperature operation toward formaldehyde. This work provides mechanistic insights into how atomic-level catalyst–support integration governs environ-mental sensing performance.