Journal
ACS APPLIED POLYMER MATERIALS
Volume 3, Issue 5, Pages 2336-2340Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsapm.1c00321
Keywords
polymer brushes; vapor solvation; vapor sensing; molecular dynamics simulations; adsorption
Funding
- Dutch Research Council (NWO) [OCENW.KLEIN.020]
- NWO
- SURFsara [45666, EINF-700]
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Coating sensor surfaces with end-anchored immiscible polymers can significantly increase the sensitivity of vapor sensors at low concentrations, forming surface-bound polymer blends that can concentrate vapors, reaching sorption enhancements of more than one order of magnitude.
Vapors in the air around us can provide useful information about our environment, but we need sensitive vapor sensors to access this information, especially because those vapors are often present at very low concentrations. We report molecular dynamics simulations of a concept that can significantly increase the sensitivity of vapor sensors at low concentrations. By coating the sensor surfaces with end-anchored immiscible polymers, surface-bound polymer blends are formed that can concentrate vapors, reaching sorption enhancements of more than one order of magnitude, especially at low vapor concentrations.
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