Liquid Phase C Dynamic Nuclear Polarization Study of Monosubstituted Aromatic Compounds

.....................................................................ii DEDICATION....................................................................iii ACKNOWLEDGMENTS...................................................iv LIST OF FIGURES..............................................................vii LIST OF TABLES...............................................................ix CHAPTER 1: INTRODUCTION.............................................1 1.1 General Background .............................................1 1.2 Goal of the Present Research....................................2 CHAPTER 2: BASIC THEORY OF DNP IN LIQUIDS.....................4 2.1 General Explanation.................................................4 2.2 Basic Equation for Liquid DNP....................................6 2.3 The Interaction for a Nuclear-Electron Coupled Two Spin System..........................................................12 2.3.1 The Hamiltonian of the Nuclear-Electron Interaction.......12 2.3.2 The Dipolar Interaction.........................................12 2.3.3 The Scalar Interaction.........................................15 2.3.4 Mixed Scalar and Dipolar Interactions......................17 2.4 The Three Spin Effect................................................17 CHAPTER 3: INSTRUMENTATION AND EXPERIMENTAL SECTION.............................................................21 3.