Preparation and characterization of nanocrystalline cerium-based oxides as a carbon monoxide oxidation catalyst.

• Other Authors: Ho, Chun Man.
• Format: Others
• Language: English; Chinese
• Published: 2005
• Subjects: Cerium oxides; Porous materials; Nanostructured materials; Carbon monoxide > Oxidation; Metal catalysts
• Online Access: http://library.cuhk.edu.hk/record=b5892607; http://repository.lib.cuhk.edu.hk/en/item/cuhk-325296

Ho Chun Man. === Thesis (M.Phil.)--Chinese University of Hong Kong, 2005. === Includes bibliographical references. === Abstracts in English and Chinese. === ABSTRACT --- p.iv === DECLARATION --- p.vi === ACKNOWLEDGEMENT --- p.vii === TABLE OF CONTENTS --- p.viii === LIST OF TABLES --- p.xi === LIST OF FIGURES --- p.xii === Chapter Chapter One: --- Introduction --- p.1 === Chapter 1.1 --- Overview --- p.1 === Chapter 1.2 --- Fundamental of CeO2 --- p.2 === Chapter 1.3.1 --- Synthesis and Modification of Ceria-based Materials --- p.5 === Chapter 1.3.1 --- Synthetic Method --- p.5 === Chapter 1.3.2 --- "Mesoporous Structure of Ce02, CexZr1-x02" --- p.6 === Chapter 1.3.3 --- Doped Ce02 Materials --- p.6 === Chapter 1.3.4 --- Fabrication of Ceria and Cerium-based Nanoparticles --- p.7 === Chapter 1.4 --- Scope of work --- p.8 === Chapter 1.5 --- References --- p.11 === Chapter Chapter Two: --- Meso- and Macro-porous Pd/CexZr1-x02 as Carbon Monoxide Oxidation Catalysts --- p.16 === Chapter 2.1 --- Introduction --- p.16 === Chapter 2.2 --- Experimental Section --- p.18 === Chapter 2.2.1 --- Sample Preparation - Synthesis of the Catalyst Support --- p.18 === Chapter 2.2.2 --- Addition of Pd to the Catalyst Support --- p.19 === Chapter 2.2.3 --- Characterization --- p.20 === Chapter 2.2.4 --- Carbon monoxide oxidation measurement --- p.21 === Chapter 2.3 --- Results and Discussion --- p.22 === Chapter 2.3.1 --- XRD analysis --- p.22 === Chapter 2.3.2 --- SEM and TEM --- p.25 === Chapter 2.3.3 --- N2-Soprtion --- p.32 === Chapter 2.3.4 --- X-ray Photoelectron Spectroscopy --- p.40 === Chapter 2.3.5 --- Thermal Catalysis Study --- p.45 === Chapter 2.4 --- Conclusion --- p.52 === Chapter 2.5 --- References --- p.54 === Chapter Chapter Three: --- Morphology-Controllable Synthesis of Ce02 Nano and Meso-structures --- p.60 === Chapter 3.1 --- Introduction --- p.60 === Chapter 3.2 --- Experimental Section --- p.62 === Chapter 3.2.1 --- Materials and Experimental Conditions --- p.62 === Chapter 3.2.2 --- Characterization --- p.64 === Chapter 3.3 --- Results and Discussion --- p.67 === Chapter 3.3.1 --- SEM and TEM Analysis --- p.67 === Chapter 3.3.2 --- XRD Analysis --- p.75 === Chapter 3.3.3 --- N2-Soprtion --- p.78 === Chapter 3.3.4 --- X-ray Photoelectron Spectroscopy --- p.84 === Chapter 3.3.5 --- FT-IR Analysis --- p.87 === Chapter 3.3.6 --- GC-MS Analysis --- p.89 === Chapter 3.3.7 --- Proposed Formation of Ce02 nanospheres and their transformation to microrods --- p.95 === Chapter 3.3.8 --- UV absorption spectra and band gap energies --- p.97 === Chapter 3.3.9 --- Thermal Catalysis Study --- p.100 === Chapter 3.4 --- Conclusion --- p.103 === Chapter 3.5 --- References --- p.105 === Chapter Chapter Four: --- Conclusion --- p.110 === LIST OF PUBLICATIONS --- p.112