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Related Experiment Video

Updated: May 22, 2026

Fabrication of Carbon Nanotube High-Frequency Nanoelectronic Biosensor for Sensing in High Ionic Strength Solutions

Fabrication of Carbon Nanotube High-Frequency Nanoelectronic Biosensor for Sensing in High Ionic Strength Solutions

Published on: July 22, 2013

Processing technique for single-walled carbon nanotube-based sensor arrays.

Kyeong Heon Kim¹, Chi Woong Jang, Tae Geun Kim

¹Robotics/Systems Division, Korea Institute of Science and Technology, Seoul 136-791, Korea.

Journal of Nanoscience and Nanotechnology

|May 29, 2012

Summary

This summary is machine-generated.

Researchers developed a simple photolithography method to selectively assemble single-walled carbon nanotubes (SWCNTs) onto silicon dioxide surfaces. This technique enabled the fabrication of 8x8 field-emission transistor (FET) arrays for advanced sensor applications.

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Last Updated: May 22, 2026

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Engineering Molecular Recognition with Bio-mimetic Polymers on Single Walled Carbon Nanotubes

Engineering Molecular Recognition with Bio-mimetic Polymers on Single Walled Carbon Nanotubes

Published on: January 10, 2017

Area of Science:

Materials Science
Nanotechnology
Electrical Engineering

Background:

Selective assembly of single-walled carbon nanotubes (SWCNTs) is crucial for fabricating advanced electronic devices.
Traditional methods often involve complex chemical functionalization, limiting scalability and increasing fabrication costs.

Purpose of the Study:

To develop a simplified, photolithography-based method for the selective assembly of SWCNTs.
To fabricate 8x8 field-emission transistor (FET) arrays using the developed SWCNT assembly technique for sensor applications.

Main Methods:

Utilized photolithography to create photoresist (PR) patterns on a silicon dioxide (SiO2) substrate.
Dipped the PR-patterned substrate into a SWCNT solution dispersed in dichlorobenzene (DCB).
Removed PR patterns using acetone to leave selectively assembled SWCNT channels.

Main Results:

Successfully fabricated selectively assembled SWCNT channels between source and drain electrodes.
Achieved fabrication of 8x8 FET arrays without complex chemical treatments like octadecyltrichlorosilane (OTS).
Demonstrated a novel self-assembly method for creating multi-channel SWCNT-based FET arrays.

Conclusions:

The photolithography-based method offers a simplified and effective approach for selective SWCNT assembly.
This technique facilitates the fabrication of SWCNT-based FET arrays for potential use in various sensor applications.
The developed method avoids complicated chemical steps, paving the way for more efficient and scalable nanoelectronic device fabrication.