/Characterization and cleaning of aligned CNTs

Characterization and cleaning of aligned CNTs

Leuven | More than two weeks ago

You will explore the damage-free cleaning of carbon nanotubes.

Carbon nanotubes (CNT) are considered as alternative channel material for beyond CMOS transistors, offering significant advantages over Si and 2D materials. For proper device construction, CNTs are aligned using chemical methods, leaving some polymer encapsulation which needs to be removed. Similarly, e-beam resist used for photolithography also leaves residues attached to the CNTs. Finally, it is known that CNTs have relatively high surface area and consequently adsorb hydrocarbons during fabrication and from the ambient air.

This project is designed to contribute to better fabrication of aligned CNT-based nano-devices by exploring cleaning methods:

    1. Heat treatment in various ambient and wide temperature range
    2. Remote plasma H2 plasma
    3. UV cure

The samples will be evaluated using several techniques including: WCA, AFM, Raman spectroscopy.

Type of project: Combination of internship and thesis, Thesis

Duration: 6 months to 12 months

Required degree: Master of Engineering Technology, Master of Science

Required background: Chemistry/Chemical Engineering, Materials Engineering, Nanoscience & Nanotechnology, Physics

Supervising scientist(s): For further information or for application, please contact: Jean-Francois de Marneffe (Jean-Francois.deMarneffe@imec.be) and Marina Timmermans (Marina.Timmermans@imec.be)

Imec allowance will be provided for students studying at a non-Belgian university.

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