Conductive properties and morphology of conjugated molecular materials studied by local probe techniques [Elektronische Ressource] / von Salvatore Timpanaro

CONDUCTIVE PROPERTIES AND MORPHOLOGY OF CONJUGATED MOLECULAR MATERIALS STUDIED BY LOCAL PROBE TECHNIQUES Zur Erlangung des akademischen Grades Doktor der Naturwissenschaften (Dr. rer. nat.) in der Wissenschaftdisziplin Weiche Materie Eingereicht an der Mathematisch-Naturwissenschaftlichen Fakultät der Universität Potsdam Von Salvatore Timpanaro Potsdam, im Oktober 2004 CONTENTS CHAPTER I 1. INTRODUCTION 1 1.2 AIM 1 1.3 STRUCTURE OF THE PHD THESIS 2 1.4 REFERENCES 4 CHAPTER II 2.1 ORGANIC MATERIALS FOR DEVICES 5 2. SPM TECHNIQUES 9 2.2.1 PRINCIPLES OF SPMs 9 2. STM 11 2.2.3 AF 14 2.2.4 OTHER TECHNIQUES 16 2.3 REFRENCES 17 CHAPTER III 3.1 INTRODUCTION AND TASK 18 3.2 QUATERTHIOPHENE MOLECULES 19 3.3 OMBD TECHNIQUE 19 3.4 XRD 21 3.5 OPTICAL ABSORPTION WITH POLARIZED LIGHT AND SIMULATION PROGRAM: THE CRYSTAL MODEL 22 3.6 GRAZING INCIDENCE DIFFRACTION WITH SYNCHROTRON LIGHT AND AFM MEASUREMENTS: THE CONFIRMATION OF THE MODEL 24 3.7 CONCLUSIONS 27 3.8 REFERENCES 28 CHAPTER IV 4.1 INTRODUCTION 30 4.2 UHV-STM 31 4.3 SELF ASSEMBLED MONOLAYERS 32 4.3.1 ALKANETHIOLS 32 4.3.2 AZOBENZENES 34 4.3.