Regensburg 2016 – wissenschaftliches Programm
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CPP: Fachverband Chemische Physik und Polymerphysik
CPP 45: Poster: Two Dimensional Functional Materials
CPP 45.4: Poster
Mittwoch, 9. März 2016, 18:15–21:00, Poster B2
Stimuli-responsive nanosheet thin film sensors — •Pirmin Ganter1,2, Katalin Szendrei1,2, Daniel Weber1,2, and Bettina Lotsch1,2 — 1Max Planck Institute for Solid State Research, Heisenbergstraße 1, 70569 Stuttgart — 2Department of Chemistry, University of Munich (LMU), Butenandtstraße 5-13, 81377 München
Environmental monitoring as well as breath analysis are of crucial importance in various fields such as health care, agriculture, industrial processes, air quality monitoring and pollution control. Therefore, the development of sensors with a fast response time, high sensitivity and selectivity to specific analytes such as water, ethanol, or other stimuli is highly desirable. Ultrathin sensors can offer several advantages such as cost efficiency or faster response and recovery times. Nanosheet-based sensors inherently feature at least one miniaturized dimension due to their single layer thickness. On this poster we show that phosphatoantimonate nanosheets H3Sb3P2O14 can be spin-coated into thin films. These thin films can be used for humidity sensors as well as touchless positioning interfaces due to their extremely high sensitivity, selectivity towards water vapor and fast response time. Furthermore, we present our latest developments on sensing different stimuli such as temperature or trace amounts of water with nanosheet-based thin films.