Sol-gel based sensors

Gas sensor. Within a collaboration with Empa’s Biomimetic Membranes and Textiles Lab, a Förster resonance energy transfer (FRET) system was integrated into flexible porous silica and coated on a PVDF/HFP electrospun fiber matrix, which allows an easy incorporation in the work uniforms for individual monitoring of ammonia in occupational environments [1].
Electromechanical sensor/EMI Shielding. Together with the Cellulose & Wood Materials laboratory, we developed large-area, lightweight, ultra-flexible, and robust crosslinked MXene coated polyimide composites with excellent electro-thermal and electro-mechanical sensing and EMI shielding performance [2].
[1] C.P. Hsu et al., Carbon dots and fluorescein: The ideal FRET pair for the fabrication of a precise and fully reversible ammonia sensor, Sensors and Actuators B: Chemical 2017, 253, 714-722. [2] Zeng, Z.H., Wu, N., Wei, J.J., Yang, Y.F., Wu, T.T., Li, B., Hauser, S.B., Yang, W.D., Liu, J.R., Zhao, S.Y., Porous and Ultra-Flexible Crosslinked MXene/Polyimide Composites for Multifunctional Electromagnetic Interference Shielding. Nano-micro letters, 2022, 14(1), 1-16.

Dr. Shanyu Zhao
Group leader in Functional Aerogel Materials Group

Phone: +41 58 765 4244