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Area of Science:

  • Materials Science
  • Nanotechnology
  • Electrical Engineering

Background:

  • Carbon nanotube (CNT) network field effect transistors (FETs) are promising for biosensing applications.
  • Understanding the role of junctions and metallic content in CNTs is crucial for optimizing FET aptasensor performance.
  • Electrostatic gating effects in these devices are complex and influenced by network properties.

Purpose of the Study:

  • To present raw and analyzed experimental data concerning the electrostatic gating of CNT network FET aptasensors.
  • To detail the calculation of junction and bundle densities and the metallic content of CNT bundles.
  • To provide electrical measurement data for 119 devices with varying CNT densities in a liquid-gated environment.

Main Methods:

  • Experimental data acquisition for CNT network FET aptasensors.
  • Data analysis for determining junction and bundle densities.
  • Calculation of metallic content in CNT bundles.
  • Electrical characterization of devices under liquid-gated conditions.

Main Results:

  • The dataset includes raw and analyzed data on junction and bundle densities.
  • Metallic content of CNT bundles was calculated and analyzed.
  • Electrical properties of 119 devices with varying CNT densities were summarized.
  • Data highlights the impact of junctions on electrostatic gating.

Conclusions:

  • The presented data is essential for understanding the role of junctions in CNT FET aptasensor performance.
  • This dataset facilitates further research into optimizing sensor design and functionality.
  • The findings relate to the critical role of metallic-semiconducting junctions in creating sensing hot-spots.