Nanotech 2010

Highly sensitive 3D SWNT based Thermal Sensors

S. Selvarasah, A. Busnaina, M.R. Dokmeci
Northeastern University, US

Keywords: single-walled carbon nanotubes, vertical (three dimensional) assembly, dielectrophoresis, thermal sensor


Nanotechnology enables the realization of small, light weight, inexpensive and ultra-sensitive sensors for diverse applications. Nanoscale materials not only provide greater sensitivity but also can be tailored for specific sensing applications. Carbon nanotubes (CNTs), a one-dimensional nanomaterial, have gained tremendous interest for sensing applications, especially in nanobiotechnology, due to their exceptional physical, mechanical and chemical properties. Most of the current CNT sensors are realized on planar two-dimensional (2D) surfaces. In this research, we report the design, fabrication and characterizations of vertical assembly of three-dimensional (3D) SWNT based structures and investigate their thermal sensing properties.
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