期刊
NANO LETTERS
卷 14, 期 7, 页码 3728-3732出版社
AMER CHEMICAL SOC
DOI: 10.1021/nl500475b
关键词
Cantilever sensor; nanocantilever; nanomechanical resonator; chemical vapor sensor; surface-initiated polymerization; ATRP
类别
资金
- DARPA/MTO-MGA [NBCH1050001]
- Department of Homeland Security, Centers of Excellence [2008-ST-061-ED0002]
Surface-initiated polymerization has been used to grow thick, uniform poly(methyl methacrylate) films on nanocantilever sensors. Cantilevers with these coatings yielded significantly greater sensitivity relative to bare devices as well as relative to devices that had been coated with drop-cast polymer films. The devices with surface-initiated polymer films also demonstrated high selectivity toward polar analytes. Surface-initiated polymerization can therefore provide a straightforward, reproducible method for large-scale functionalization of nano-sensors.
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