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POLYMER / SINGLE-WALLED CARBON NANOTUBE COMPOSITE FOR GAS DETECTION

United States Patent Application

20170322167
A1
View the Complete Application at the US Patent & Trademark Office
Lawrence Livermore National Laboratory - Visit the Industrial Partnerships Office Website
A sensor can include a conductive region in electrical communication with at least two electrodes, the conductive region can include a composite of a polymer and SWCNTs immobilized onto a substrate. In certain embodiment, a linker can be grafted on the substrate. The linker can connect the substrate and the composite of the polymer and SWCNTs. In certain embodiments, the linker can covalently bond the polymer to the substrate. In certain embodiments, metal nanoparticles or ions can be incorporated as a metal sensitizer to confer further selectivity or sensitivity to the device. In certain embodiments, the polymer can act as a ligand for a variety of metal ions. By incorporating a specific metal ion, the sensor can selectively detect a specific analyte. In certain embodiments, the composite of the polymer and SWCNTs can be functionalized. In certain embodiments, the composite can further include a sensing element.
Swager, Timothy Manning (Newton, MA), Liu, Sophie (Annandale, NJ), Yoon, Bora (Cambridge, MA)
MASSACHUSETTS INSTITUTE OF TECHNOLOGY (CAMBRIDGE MA)
15/ 586,466
May 4, 2017
FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0002] This invention was made with Government support under Contract No. DE-AC52-07NA27344 awarded by the Department of Energy and under Contract No. W911NF-13-D-0001 awarded by the Army Research Office. The Government has certain rights in the invention.