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Catalysis
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-
- Description:
- In the first two decades of the 21st century, metal organic frameworks (MOFs) have attracted much attention in both fundamental-research and-industrial application areas. Derived from a vast library of both inorganic metal nodes and organic linker bridges, MOFs are crystalline materials whose structures and chemical environments can both be tuned...
- Keyword:
- Catalysis, Hierarchically porous materials, Water treatment, and Metal organic frameworks
- Subject:
- Chemistry
- Creator:
- Zhang, Furui
- Owner:
- Scholarly Digital Publishing
- Language:
- en
- Date Uploaded:
- 06/28/2021
- Date Created:
- 2021-01-01
- Resource Type:
- Dissertation
- Alternate Identifier:
- etdadmin_upload_818384 and http://dissertations.umi.com/northwestern:15561
-
- 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
-
- 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:
- Supported transition metal oxides are an important class of catalysts with a wide range of industrially relevant applications. However, commonly used synthesis techniques to prepare these catalysts often result in a complex mixture of surface species. This inhomogeneity makes it difficult to understand what specific structures might be responsible for...
- Keyword:
- Nanoshapes, Catalysis, Ceria, Emission catalysis, and Cobalt Oxide
- Subject:
- Chemical engineering
- Creator:
- Savereide, Louisa
- 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:14481 and etdadmin_upload_627632
-
- 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:
- Oxidation is an important process in synthesizing a broad range of useful products such as polymers, pharmaceuticals, and fine chemicals. While H2O2 is a highly attractive oxidant for oxidative chemistry due to its high percentage of oxygen and environmentally friendly water byproduct, it is often used in excess due to...
- Keyword:
- Catalysis, hydrogen peroxide generation, oxidation, MOFs, and tandem reaction
- Subject:
- Chemistry
- Creator:
- Limvorapitux, Rungmai
- Owner:
- Scholarly Digital Publishing
- Language:
- en
- Date Uploaded:
- 02/12/2020
- Date Created:
- 2019-01-01
- Resource Type:
- Dissertation
- Alternate Identifier:
- http://dissertations.umi.com/northwestern:14696 and etdadmin_upload_666644
-
- 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:
- Understanding the mechanisms associated with chemical catalysis is vital for not only the rational improvement of their capabilities, but also for the advancement of the fundamental knowledge affiliated with the systems in question. These new insights can help predict new reactivities towards more challenging substrates which will allow for easier...
- Keyword:
- Catalysis, Lanthanides, Borylation, and Chemodivergent
- Subject:
- Chemistry
- Creator:
- Rothbaum , Jacob Olasov
- Owner:
- Scholarly Digital Publishing
- Language:
- en
- Date Uploaded:
- 02/16/2023
- Date Created:
- 2022-01-01
- Resource Type:
- Dissertation
- Alternate Identifier:
- http://dissertations.umi.com/northwestern:16303 and etdadmin_upload_936040
-
- Description:
- The lanthanides, with their limited orbital effects and high oxophilicity, represent a class of catalytic metals highly distinguished from more commonly-utilized transition metals. Homogeneous lanthanide catalysts often afford high catalytic rates and impressive selectivity. However, challenges regarding the synthesis and utilization of highly air- and water-sensitive organo-lanthanide complexes have limited...
- Keyword:
- Catalysis, Homogeneous, Lanthanide, and Hydroboration
- Subject:
- Chemistry
- Creator:
- Barger, Christopher
- Owner:
- Scholarly Digital Publishing
- Language:
- en
- Date Uploaded:
- 04/15/2021
- Date Created:
- 2020-01-01
- Resource Type:
- Dissertation
- Alternate Identifier:
- http://dissertations.umi.com/northwestern:15464 and etdadmin_upload_795345
-
- 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:
- <span style="font-family: Calibri;">BaNa-Y is a catalyst for reduction of nitrogen oxides (NO and NO<sub>2</sub>) with added reductants at temperatures of ~200 °C. Studies were performed over BaNa-Y and related catalysts to unravel the roles that nitrates and nitrites play in determining the processes and pathways involved in NOx reduction. <o:p></o:p></span></p>...
- Keyword:
- BaNa-Y, Catalysis, Kinetics, DeNOx, Nitrates, and NOx Reduction
- Subject:
- Chemistry
- Creator:
- Aditya Savara
- Owner:
- Scholarly Digital Publishing
- Date Uploaded:
- 10/02/2018
- Date Modified:
- 10/02/2018
- Date Created:
- 2008-12-08
- Resource Type:
- Dissertation
-
- Description:
- Heterogeneous catalysts play a prominent role in our society, used in applications that range from the production of plastics to the catalytic cracking of crude oil. Industrial catalysts are typically made of mixed metal oxides or nanosized metal particles deposited on high surface area supports. Industrially relevant catalytic materials are...
- Keyword:
- Atomic Layer Deposition, Catalysis, Spectroscopy, and Catalyst Design
- Subject:
- Chemistry
- Creator:
- Cassandra Marie George
- Owner:
- Scholarly Digital Publishing
- Date Uploaded:
- 04/18/2018
- Date Modified:
- 01/28/2019
- Date Created:
- 2017-01-01
- Resource Type:
- Dissertation
-
- Description:
- Lewis acids are an important class of catalysts for chemical synthesis and manufacturing. Tris-(pentafluorophenyl)borane (FAB) catalyst has been discovered as an excellent Lewis acid catalyst for a great variety of reactions in organic and organometallic chemistry, particularly for alkoxylation reactions which is relevant to the industrial production of polyether alcohols....
- Keyword:
- Microkinetic modeling, Catalysis, Ring opening, DFT, Mechanism, and Lewis acid
- Subject:
- Chemical and Biological Engineering
- Creator:
- Ying Yu
- Owner:
- Scholarly Digital Publishing
- Date Uploaded:
- 10/28/2018
- Date Modified:
- 01/29/2019
- Date Created:
- 2017-01-01
- Resource Type:
- Dissertation
-
- Description:
- Starting materials for natural products, ideally synthesized using low-cost, highly active and selective catalysts, are of great interest to the pharmaceutical industry. Relevant reactions include the synthesis of 1,2-dihydropyridines, reduction of ketones/aldehydes, cleavage of esters, and reduction of amides to amines. Hydroelementation is an important catalytic process that involves H-E...
- Keyword:
- Carbonyl reduction, Catalysis, Pyridine dearomatization, Hydroboration, and Organolanthanide
- Subject:
- Chemistry
- Creator:
- Victoria Lynn Weidner
- Owner:
- Scholarly Digital Publishing
- Date Uploaded:
- 01/11/2019
- Date Modified:
- 01/30/2019
- Date Created:
- 2017-01-01
- Resource Type:
- Dissertation
-
- Description:
- Bimetallic polymerization catalysis represents a small, though active, area of research due largely to the interesting properties observed in the resulting product polymers, including higher molecular weight, increased comonomer incorporation, and enhanced tacticity. Current work is focused on furthering an understanding of the active catalytic species that give rise to...
- Keyword:
- Polymerization, Olefin, Catalysis, Polyolefin, Organotitanium, and Binuclear
- Subject:
- Chemistry
- Creator:
- Anna Invergo
- Owner:
- Scholarly Digital Publishing
- Date Uploaded:
- 10/08/2019
- Date Modified:
- 10/08/2019
- Date Created:
- 2018-01-01
- Resource Type:
- Dissertation
-
- Description:
- Oxidation processes play an integral role in many industries, but questions still remain regarding the mechanisms of carbon-hydrogen bond activation and oxidation in free-radical and catalyzed processes. Microkinetic modeling is a powerful tool capable of examining oxidation processes at the mechanistic level to gain understanding and guide catalyst applications. This...
- Keyword:
- Microkinetic, Catalysis, Oxidation, and Modeling
- Subject:
- Chemical and Biological Engineering
- Creator:
- Robert R.O Brydon
- Owner:
- Scholarly Digital Publishing
- Date Uploaded:
- 10/21/2019
- Date Modified:
- 10/21/2019
- Date Created:
- 2018-01-01
- Resource Type:
- Dissertation
-
- 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