Methods of the Alignment-Relay Technique for Nanosystems: Optimization and Innovation

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Monika Snowdon

Methods of the Alignment-Relay Technique for Nanosystems

Optimization and Innovation

Monika Snowdon

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English

Springer Nature Switzerland AG
10 November 2022

Condensed matter physics (liquid state & solid state physics); Chemistry; Nanotechnology; Materials science; Semi-conductors & super-conductors

Series: Springer Theses

This thesis addresses the problem of improving the alignment of carbon nanotubes (CNTs) in transistor applications, taking a unique approach using iptycenes acting as molecular tweezers in combination with a liquid crystal solvent. As part of a project to test the effectiveness of a multi-step method, the so-called Alignment Relay Technique (ART), this work contributed evidence for the selectivity and stability of ART, as well as providing the first proof-of-concept that ART can be used to create CNT field-effect transistors (FETs). The thesis effectively explains and illustrates the chemical synthesis of the tweezers, the concept and actualization of the technique, the various factors observed to influence deposition and selectivity, along with material fabrication using both photolithography and electron beam lithography. This research advances knowledge of transistors and expands the applications of small organic molecules in the field of materials science. Particular highlights of this thesis include: an extensive review of ART, its advantages, and limitations; development of new material chemistry methods for the optimization of semiconducting CNT selectivity; and a comprehensive exploration of fabrication and characterization of CNTFETs for future applications.

By: Monika Snowdon
Imprint: Springer Nature Switzerland AG
Country of Publication: Switzerland
Edition: 2021 ed.
Dimensions: Height: 235mm, Width: 155mm,
Weight: 450g
ISBN: 9783030844158
ISBN 10: 3030844153
Series: Springer Theses
Pages: 263
Publication Date: 10 November 2022
Audience: Professional and scholarly , Undergraduate
Format: Paperback
Publisher's Status: Active

Chapter1: Introduction.- Chapter2: Modifications to the ART Procedure.- Chapter3: Different Anchoring Group and Substrate Surfaces.- Chapter4: Other nanosystems probed for alignment.- Chapter5: Applying ART toward SWNTs device fabrication.- Chapter6: Concluding Remarks & Future Directions.- Chapter7: Experimental.

Monika obtained her doctorate in chemistry from the University of Waterloo, Canada. Part of her doctoral research was pursued in Japan at the soft materials chemistry group under the supervision of Dr. Dai-Ming Tang at the National Institute for Material Science. She holds a MSc in organosulfur synthesis and a BSc in nanoscience from the University of Guelph, Canada. Currently, she is a postdoctoral researcher in mechanical engineering at Dr. Zhou's lab as part of the Center for Advanced Materials Joining, University of Waterloo, and a lead product developer with Elizion Tech.