Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 13, Issue 39, Pages 47185-47197Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.1c07994
Keywords
nanostructured microcantilever; nanorod arrays; core-shell nanostructures; chemical warfare agents; sensor; heterostructure; TiO2; MnO2
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By developing 3D core-shell nanorod arrays on microcantilevers, the detection performance for a simulant of sarin has been significantly improved.
Nanostructured microcantilevers have shown promise for sensing application of molecules in the vapor phase. Nanostructures have improved the molecule capture ability of microcantilevers by highly enhancing the surface of capture. Here, to improve the sensitivity and selectivity of a commercial microcantilever without functionalization, we developed 3D core-shell titanium dioxide@manganese dioxide (TiO2@MnO2) nanorod arrays on a microcantilever, which exhibited a high enhancement in the sensing performance beyond that of 1D nanostructures for the detection of dimethyl methylphosphonate, a simulant of sarin.
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