Near-infrared emissive mononuclear lanthanide(Ⅲ) complexes with chiral Schiff base ligand = 카이랄성 시프 염기 리간드를 포함한 근적외선 발광 단핵성 란타넘족 착물에 관한 연구

목차 (Table of Contents)

• I. Introduction 1
• 1.1. Lanthanide coordination chemistry 1
• 1.2. Lanthanide luminescence driven by antenna effect 2
• 1.3. Chiral lanthanide compounds and Schiff base ligands 8
• 1.4. Research objective 11
• II. Experimental section 12
• 2.1. General procedures 12
• 2.2. Synthesis 13
• 2.2.1. Synthesis of (R,R)-N,N’-bis(3,5-dinitrosalicylidene)-1,2-cyclohexanediamine ((R,R)-H2dnsalcd) 13
• 2.2.2. Synthesis of (teaH)[NdIII((R,R)-dnsalcd)2] (1) 14
• 2.2.3. Synthesis of (teaH)[HoIII((R,R)-dnsalcd)2] (2) 14
• 2.2.4. Synthesis of (teaH)[ErIII((R,R)-dnsalcd)2] (3) 15
• 2.2.5. Synthesis of (teaH)[YbIII((R,R)-dnsalcd)2] (4) 16
• 2.2.6. Synthesis of (teaH)[GdIII((R,R)-dnsalcd)2] (5) 16
• 2.3. Crystallography 18
• 2.3.1. X-ray powder diffraction (XRPD) analysis 18
• 2.3.2. X-ray crystallographic data collection and refinement 18
• III. Results and discussion 25
• 3.1. Synthesis and characterization of 1-5 25
• 3.2. UV-visible spectrum 30
• 3.3. CD (Circular Dichroism) spectrum 36
• 3.4. X-ray single crystal structure analysis 40
• 3.4.1. Crystal structure of 1 40
• 3.4.2. Crystal structure of 2 44
• 3.4.3. Crystal structure of 3 47
• 3.4.4. Crystal structure of 4 50
• 3.4.5. Crystal structure of 5 54
• 3.5. Photophysical properties 57
• 3.6. Magnetic properties 64
• IV. Conclusions 67
• V. References 68
• Appendix 74
• * 국문초록 79