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Large-Area Synthesis and Characterization of 2D Telluride Thin Films.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Large-Area Synthesis and Characterization of 2D Telluride Thin Films./
Author:	Hynek, David James.
Description:	1 online resource (142 pages)
Notes:	Source: Dissertations Abstracts International, Volume: 85-01, Section: B.
Contained By:	Dissertations Abstracts International85-01B.
Subject:	Materials science. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30312503click for full text (PQDT)
ISBN:	9798379781323

Large-Area Synthesis and Characterization of 2D Telluride Thin Films.
Hynek, David James.

Large-Area Synthesis and Characterization of 2D Telluride Thin Films. - 1 online resource (142 pages)

Source: Dissertations Abstracts International, Volume: 85-01, Section: B.

Thesis (Ph.D.)--Yale University, 2023.

Includes bibliographical references

Over the past decade, two-dimensional (2D) materials have exploded as a new class of nanomaterials that hold the potential to revolutionize technologies ranging from energy storage to flexible electronics. These materials are composed of stacks of atomically thin sheets which are defined by the weak van der Waals interactions between layers. This has allowed for the isolation of few- and single layers of many different compounds that exhibit emergent electrical and physical behavior at the nanoscale. While there is much excitement about the potential of these materials, the synthesis of large-area, single crystalline thin films remains an issue. In this dissertation, we work to develop synthesis pathways for large-scale 2D telluride thin films, establish generalized growth mechanisms, and probe structure-property relationships. We achieve the growth of large-area MoTe2 thin films with uniformity and layer control, investigate the relationship between growth substrate and film morphology for monolayer MoTe2, extend our developed synthesis pathway for MoTe2 to WTe2, determine generalizable growth mechanisms for 2D telluride thin films, probe the effects of temperature and electrical gating on the phase transition of MoTe2, and work to achieve large area synthesis of 2D telluride thin films beyond MoTe2 and WTe2. Many synthesis studies of 2D materials achieve growth results, yet underlying mechanisms that lead to high-quality thin films, such as interactions with the growth substrate which can affect diffusion, nucleation, and crystallinity, are often understudied. The methodologies outlined in this dissertation work to better understand the growth mechanisms and structural properties of large-area 2D telluride thin films, and represent necessary steps for these materials to one day achieve technological feasibility.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2023

Mode of access: World Wide Web

ISBN: 9798379781323Subjects--Topical Terms:

543314
Materials science.
Subjects--Index Terms:

2D materialsIndex Terms--Genre/Form:

542853
Electronic books.

Large-Area Synthesis and Characterization of 2D Telluride Thin Films.
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504 $a Includes bibliographical references
520 $a Over the past decade, two-dimensional (2D) materials have exploded as a new class of nanomaterials that hold the potential to revolutionize technologies ranging from energy storage to flexible electronics. These materials are composed of stacks of atomically thin sheets which are defined by the weak van der Waals interactions between layers. This has allowed for the isolation of few- and single layers of many different compounds that exhibit emergent electrical and physical behavior at the nanoscale. While there is much excitement about the potential of these materials, the synthesis of large-area, single crystalline thin films remains an issue. In this dissertation, we work to develop synthesis pathways for large-scale 2D telluride thin films, establish generalized growth mechanisms, and probe structure-property relationships. We achieve the growth of large-area MoTe2 thin films with uniformity and layer control, investigate the relationship between growth substrate and film morphology for monolayer MoTe2, extend our developed synthesis pathway for MoTe2 to WTe2, determine generalizable growth mechanisms for 2D telluride thin films, probe the effects of temperature and electrical gating on the phase transition of MoTe2, and work to achieve large area synthesis of 2D telluride thin films beyond MoTe2 and WTe2. Many synthesis studies of 2D materials achieve growth results, yet underlying mechanisms that lead to high-quality thin films, such as interactions with the growth substrate which can affect diffusion, nucleation, and crystallinity, are often understudied. The methodologies outlined in this dissertation work to better understand the growth mechanisms and structural properties of large-area 2D telluride thin films, and represent necessary steps for these materials to one day achieve technological feasibility.
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653 $a Tungsten ditelluride
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