Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 7 of 7 for “"2D heterostructures"”.
-
THERMAL AND THERMOELECTRIC PROPERTIES OF TWO-DIMENSIONAL HETEROSTRUCTURES
… of graphene, atomically thin two-dimensional (2D) materials have progressed rapidly due to their interesting physics and potential applications. Van der Waals heterostructures with one 2D material stacked on another, are being established for devices with new functionalities and improved …
-
Quantum-confined excitons in 2-dimensional materials
… called transition metal dichalcogenides (2d-TMDs) offers many technological advantages: low power consumption, atomically-precise interfaces, lack of nuclear spins and ease of functional integration with other 2d materials are just a few. In this work we harness the potential of these …
-
Large-scale density functional theory study of van-der-Waals heterostructures
Research on two-dimensional (2D) materials currently occupies a sizeable fraction of the materials science community, which has led to the development of a comprehensive body of knowledge on such layered structures. However, the goal of this thesis is to deepen the understanding of the …
-
Characterization of nanostructured hexagonal boron nitride patterned via high-resolution ion beam lithography
… of polariton research in two-dimensional (2D) materials focuses on pushing the limits of patterning 2D materials into nanoresonators and other nanophotonic structures that manipulate highly confined polaritons for technologically relevant near-IR and mid-IR applications. Furthermore, tuning …
-
Heterogeneous integration of two-dimensional materials for on-chip optical interconnects
… properties. In addition, the entire family of 2D materials can exhibit a rich variety of physical behaviors, ranging from that of a wide-bandgap insulator to a narrow-gap semiconductor to a semimetal or metal. Previous demonstrations suggest that generic building blocks for a photonic …
-
The Use of Secondary Ion Mass Spectrometry to Advance Integrated Process Technology for 2D Materials
Despite the advancements in 2D material fabrication methods, the development of scalable manufacturing and device integration strategies are critical bottlenecks that currently hinder the commercial application of low-dimensional nanomaterials. Trace contaminants can significantly influence the …
-
The role of spatial size and orientation of electronic wavefunction in exciton dissociation at van der Waals interfaces
Organic photovoltaic (OPV) devices are environmental-friendly, lightweight, flexible and inexpensive. However, one of the setbacks for commercial application is its relative low performance in solar to electrical energy conversion compared to inorganic counterparts such as Si solar cells. Unlike …