声明
TABLE oF CONTENTS
LIST OF FIGURES
L1ST OF TABLES
LlST OF SCHEMES
LIST OF ABBREVIATIONS
ABSTRACT
摘要
CHAPTER 1
1.2 Overview of Nonlinear Optics
1.2.2 Nonlinear Susceptibility and Hyperpolarizability
1.3 Overview of nonlinear optics(3rd order)
1.3.2 Optical pumping for 3rd Order nonlinear materials
1.4 Applications of 3rd order nonlinear opticsin different fields
1.6 Classes of nonlinear optical exhibiting materials
1.6.5 Composite Materials
1.8 Use of Porphyrins as promising candidates for 3州Order nonlinear optics
1.8.1 Symmetrical porphyrins
1.8.3 Expanded porphyrin
1.8.4 Oligomers of porphyrins
1.8.5 Porphyrin Supramolecular arrays
1.8.6 Self-organ娩ation of porphyrin arrays
1.9 Porphyrin bonded with Fullerenes’,graphenes and carbon nano tubes systemsapplied fornonlinear optics
1.10 Demerits of Porphyrins Concerning Third Order Nonlinear Optics
1.11 Porphyrin-Polyoxometalate Hybrid Systems with Optical Nonlinear properties
1.12 Purpose and Importance of ongoing Research Work
Chapter 2 Techniques and Methods Used to Calculate and Measure the3rd Order Nonlinear Optical Properties
2.1.1 Third harmonic generation(THG)
2.2 Z-scan technique
2.3 Method for calculation of 3rd order optical nonlinearities
Chapter 3 Covalent Synthesis of Two Hybrids Composed of Dawsonpe Polyoxometalate and Porphyrin with Remarkable Third orderNonlinear Optical Properties reflecting the Effect of Polyoxometalates
3.1 Introduction
3.2 Experimental details
3.2.3 Synthesis of TPP-di-Tris
3.2.5 Synthesis of Hybrid 1
3.2.6 Synthesis of Hybrid 2
3.3.1 Characterization of the compounds
3.3.2 UV—VIS spectroscopy studies
3.3.3 Fluorescence studies
3.3.4 Nonlinear optical properties
3.4 Conclusion
Chapter 4 Facile Synthesis and Remarkable Third Order NonlinearOptical Response of Covalent--Bonded Polyoxometalate-PorphyrinHybrids:The role of the attached WeIIs-Dawson type Polyoxometalategroups
4.1 Introduction
4.2 Experimental details
4.2.3 Synthesis of the compounds
4.3 Results and discussion
4.3.1 Characterization of the compounds
4.3.2 UV-VlS spectroscopy studies
4.3.3 Fluorescence studies
4.3.4 Nonlinear optical properties
4.4 Conclusion
Chapter 5 Designed Synthesis and Third order Non-linear OpticalStudies of Anderson type Polyoxometalates-Porphyrin Hybrids
5.1 Introduction
5.2 Experimental details
5.2.3 Synthesis of the Compounds
5.3 Result and discussions
5.3.1 Characterization of the compounds
5.3.2 UV-VIS spectroscopy studies
5.3.3 Fluorescence studies
5.3.4 Non-Linear Optical Properties
5.4 Conclusion
Chapter 6 Synthesis and Characterization of Asymmetric Andersontype Polyoxometalate Compound
6.2 Experimental details
6.3 Results and discussion
6.3.2 FT-IR studies
6.4 Conclusion
Chapter 7 References
CONCLUSION
INNOVATION
ACKNOWLEDGEMENT
LIST OF PUBLICATIONS