Thermal Characterization and Sensor Applications of One-Dimensional Nanostructures Employing Microelectromechanical Systems

Citation:

L. Shi, Yu, C. H., and Zhou, J. H., “Thermal Characterization and Sensor Applications of One-Dimensional Nanostructures Employing Microelectromechanical Systems,” J. Phys. Chem. B, vol. 109, no. 47, pp. 22102–22111, 2005.

Abstract:

We review the recent progress in thermal characterization and sensor applications of one-dimensional nanostructures employing microelectromechanical system (MEMS) devices. It was found by thermal measurements that the thermal conductance of a single wall carbon nanotube (SWCNT) was very close to the ballistic thermal conductance of a 1-nm-diameter SWCNT without signatures of phonon−phonon Umklapp scattering, a high thermoelectric figure of merit can potentially be obtained in bismuth telluride (BixTe1-x) nanowires with an optimized atomic ratio of x, and the thermal conductivity of metal oxide nanobelts was suppressed by increased phonon-boundary scattering. We further suggest that dielectrophoresis and other directed-assembly methods can be used for the large-scale integration of nanowires with MEMS to obtain ultrasensitive, stable, and selective sensor systems.

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