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Description:: Interfacial science brings together diverse areas of interest such as electronic materials, quantum materials, bio-membranes and catalysts. In-situ X-ray characterization techniques can be used to understand the assembly of atoms, molecules and supported nanoparticles at interfaces in complex environments. This thesis work focuses on the use of various X-ray characterization...
Keyword:: Atomic Layer Deposition, X-ray standing wave, Catalysis, Thin film, X-ray spectroscopy, and X-ray physics
Subject:: Physics and Materials Science
Creator:: Das, Anusheela
Owner:: Scholarly Digital Publishing
Language:: en
Date Uploaded:: 06/22/2022
Date Created:: 2022-01-01
Resource Type:: Dissertation
Alternate Identifier:: http://dissertations.umi.com/northwestern:15916 and etdadmin_upload_877997

Description:: Nanotechnology research broadly encompasses the exploration of the unique chemical,optical, electronic, or biological properties of materials with dimensions < 1 µm. Inorganic nanoparticles are one such class of materials, with properties that are exceptionally sensitive to particle size and structure. This is especially evident in the field of heterogeneous chemical...
Keyword:: Parallelized, Catalysis, Nanoreactor, Nanoparticle, and Synthesis
Subject:: Nanotechnology, Materials Science, and Chemical engineering
Creator:: Jibril, Liban
Owner:: Scholarly Digital Publishing
Language:: en
Date Uploaded:: 06/22/2022
Date Created:: 2022-01-01
Resource Type:: Dissertation
Alternate Identifier:: http://dissertations.umi.com/northwestern:16023 and etdadmin_upload_899605

Description:: This thesis focuses on identifying structure-property-performance relationships in supported nanoparticle catalysts, where an active catalyst material is supported on a high surface area substrate. Identifying these relationships in supported nanoparticle catalysts can be quite challenging, as the complex structure of these catalysts results in numerous potential sources for changes to...
Keyword:: Surfaces, Catalysis, Nanoparticles, Interfaces, Density Functional Theory, and Electron Microscopy
Subject:: Materials Science and Chemical engineering
Creator:: Mansley, Zachary Ryan
Owner:: Scholarly Digital Publishing
Language:: en
Date Uploaded:: 02/02/2022
Date Created:: 2021-01-01
Resource Type:: Dissertation
Alternate Identifier:: http://dissertations.umi.com/northwestern:15855 and etdadmin_upload_862543

Description:: Electrochemical cell devices are increasingly being sought for energy conversion and storage applications due to their high efficiencies and their potential for operating free of greenhouse gas (GHG) emissions. Solid Acid Electrochemical Cells (SAECs), which most commonly employ CsH2PO4 (CDP) as the electrolyte component, are uniquely suited to meet the...
Keyword:: Cesium Dihydrogen Phosphate, Catalysis, Ammonia, Hydrogen, and Electrochemistry
Subject:: Chemistry, Materials Science, and Energy
Creator:: Plymill, Austin Blake
Owner:: Scholarly Digital Publishing
Language:: en
Date Uploaded:: 04/15/2021
Date Modified:: 04/15/2021
Date Created:: 2021-01-01
Resource Type:: Dissertation
Alternate Identifier:: etdadmin_upload_796377 and http://dissertations.umi.com/northwestern:15469

Description:: Multimetallic nanoparticles represent an important class of electrocatalysts which are critical for many energy and environmental applications including fuel cells, hydrogen production, and greenhouse gas elimination. The properties of these nanoparticles depend on their composition, size, shape, and structure. Therefore, developing new strategies which provide a high level of control...
Keyword:: Electrocatalyst, Catalysis, Nanoparticle synthesis, and Multimetallic Nanoparticle
Subject:: Nanotechnology, Nanoscience, and Materials Science
Creator:: Huang, Liliang
Owner:: Scholarly Digital Publishing
Language:: en
Date Uploaded:: 02/01/2021
Date Created:: 2020-01-01
Resource Type:: Dissertation
Alternate Identifier:: etdadmin_upload_754834 and http://dissertations.umi.com/northwestern:15185

Description:: The Controlled, Site-Isolated Synthesis of Polyelemental Nanostructures in Polymer Nanoreactors Pengcheng Chen Polyelemental nanoparticles are an attractive class of materials due to their potential applications, which span the fields of catalysis, plasmonics, electronics, magnetics, targeted drug delivery, and bio-imaging. However, conventional synthetic methods for such structures are limited, especially when...
Keyword:: Nanostructures, Catalysis, Nanoparticles, Polyelemental, Nanoreactors, and Polymer
Subject:: Inorganic chemistry, Chemistry, and Materials Science
Creator:: Chen, Pengcheng
Owner:: Scholarly Digital Publishing
Language:: en
Date Uploaded:: 02/12/2020
Date Created:: 2018-01-01
Resource Type:: Dissertation
Alternate Identifier:: http://dissertations.umi.com/northwestern:14466 and etdadmin_upload_627177

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