목차

1. Introduction 1
2. Theory 2
2.1. Organic Light-Emitting Diodes 2
2.1.1. OLEDs advantage 2
2.2. The working principle of OLEDs 4
2.2.1. OLEDs structure 4
2.2.2. Fluorescence OLEDs 5
2.2.3. Phosphorescence OLEDs 6
2.2.4. Fabrication process of OLEDs 8
3. Experimental 10
3.1. General information 10
3.2. Synthesis of 2-(4-(bromomethyl)phenyl)-5-phenyl-1,3,4oxadiazole 11
3.2.1. Synthesis of 4-methyl-N-(2-oxo-2-phenylethyl)benzamide 11
3.2.1. Synthesis of 2-phenyl-5-(p-tolyl)-1,3,4-oxadiazloe 11
3.2.1. Synthesis of 2-(4-(bromomethyl)phenyl)-5-phenyl-1,3,4oxadiazole 12
3.3. Synthesis of 9,9-(5-(bromomethyl)-1,3-phenylene)bis(9H-carbazole) 12
3.3.1. Synthesis of 3,5-dibromobenzaldehyde 12
3.3.2. Synthesis of (3,5)-dibromophenyl)methanol 13
3.3.3. Synthesis of tert-butyl(3,5-dibromobenzyloxy)dimethylsilane 13
3.3.4. Synthesis of 9,9-(5-((tert-butyldimethylsilyloxy)methyl)1,3phenylene)bis(9H-carbazole) 14
3.3.5. Synthesis of 3,5-Di(9H-carbazole-9-yl)phenyl methanol 14
3.3.6. Synthesis of 9,9-(5-(bromomethyl)-1,3-phenylene)bis(9H-carbazole) 15
3.4. Synthesis of 9-(2-(2-methoxyethoxy)ethyl)-3-(4-phenylquinolin-2-yl)-9H-carbzole 15
3.4.1. Synthesis of 9-(2-(2-methoxyethoxy)ethyl)-9H-carbazole 15
3.4.2. Synthesis of 1-(9-(2-(2-methoxyethoxy)ethyl)-9H-carbazol-2-yl)ethanone 16
3.4.3. Synthesis of 9-(2-(2-methoxyethoxy)ethyl)-3-(4-phenylquinolin-2-yl)-9H-carbzole 16
3.5. Synthesis of Iridium (III) complex 17
3.5.1. Synthesis of cyclometalated Ir(III) μ-chloride bridged dimer 17
3.5.2. Synthesis of (EO-CVz-PHQ)2Ir(pic) 17
3.5.3. Synthesis of (EO-CVz-PHQ)2Ir (pic-OH) 18
3.5.4. Synthesis of (EO-CVz-PHQ)2Ir(pic-OXD) 19
3.5.5. Synthesis of (EO-CVz-PHQ)2Ir(pic-mCP) 19
4. Result and Discussion 21
4.1. Synthesis and characterization 21
4.2. Synthetic route for materials 22
4.3. Thermal properties 25
4.4. Photophysical properties 26
4.5. Electrochemical properties 28
4.6. Theoretical calculation 31
4.7. Electroluminescent properties of PhOLEDs 35
5. Conclusion 39
6. Reference 40