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TITLE
DEDICATION
CERTIFICATE
DECLARATION
ACKNOWLEDGEMENT
CONTENTS
Preface
1. GENERAL INTRODUCTION
1.1 Introduction
I.2 Historical Developments
I.3 Preparation Methods
1.4 Characterization Techniques
1.5 Properties Nanoparticles
1.6 Nanophase Materials
1.6.1 Structure
1.6.2 Properties
1.7 Nanocomposites
1.8 Applications
1.8.1 Technological
1.8.2 Commercial
1.9 Present Work
1.10 References
2. EXPERIMENTAL TECHNIQUES
2.1 Introduction
2.2 Chemical Precipitation Method
2. 3 Experimental Characterisation
2.3.1 X-ray Diffraction Studies
2.3.2 Thermal Studies
2.3.3 FTIR Analysis
2.3.4 Impedance Measurements
2.3.5 Electrical Conductivity Measurements
2 4 References
3. SYNTHESIS, SIZE AND STRUCTURE
3.1 Introduction
3 2 Synthesis of Nanoparticles for the Present Investigation
3.2.1 Synthesis of Nanoparticles
3.2.2 Synthesis of Nanocomposites
3.2.3 Synthesis of nanophase Agl-Cul System
3.3 Preparation of Pellets for the Present Study
3 4 X-ray Diffraction Studies of Nanoparticles
3.4.1 Nanoparticles of Agl
3.4.2 Nanoparticles of Cul
3.4 3 Nanoparticles of Ag2HgI4
3.4.4 Nanoparticles of Al2O3
3.5 X-ray Diffraction Studies of Consolidated Nanoparticles
35.1 Nanaphase AgI
3.5.2 Nanophase Ag2HgI4
3.5.3 Nanaphase CuI
3.6 x-ray Diffraction Studies of Consolidated Nanocomposites
3.6.1 AgI-Al2O3 Nanocomposites
3.6.2 Ag2Hgl4-Al2O3 Nanocomposites
3.6.3 AgI-CuI System
3.7 conclusions
3.8 References
4. ANALYSIS OF FTIR SPECTRA OF NANOPARTICLES OF AgI.Ag2HgI4 AND Cul
4.1 Introduction
4.2 Experimental
4.3 Results
4.3.1 AgI Nanoparticles
4.3.2 Ag2HgI4 Nanoparticles
4 3.3 cul Nanoparticles
4.4 Discussion
4.5 Conclusions
4.6 References
5. THERMOGRAVIMETRIC AND HIGH TEMPERATURE XRD STUDIES
5.l Introduction
5.2 Experimental
5.3 Results and Discussion
5.3.1 Agl Nanoparticles
5.3.2 CuI Nanoparticles
5.3.3 Ag2HgI4 Nanoparticles
5.4 Conclusion
5.5 References
6. ELECTRICAL PROPERTIES OF NANOPHASE Ag2HgI4 AND Ag2HgI4-Al203 NANOCOMPOSITES
6.1 Introduction
6.2 Experimental
6.3 Results and Discussion
6.3.1 Impedance Spectroscopic Analysis
6.3.2 Dielectric Properties
6 3.2.1 Dielectric Constant
6 3.2.2 Dielectric Loss
6.3.2.3 AC Conductivity
6.4 Conclusion
6.5 References
7. ELECTRICAL PROPERTIES OF AgI-Al203 NANOCOMPOSITES
7.1 Introduction
7.2 Experimental Details
7.3 Results and Discussion
7.3.1 Analysis of Impedance Spectra of Nanophase AgI and AgI-Al2O3 Nanocomposites
7.3.2 Dielectric properties of AgI-AI2O3 nanocomposites
7.4 Conclusion
7.5 References
8. ELECTRICAL. PROPERTIES OF NANOPHASE AgI-Cul SYSTEM
8.1 Introduction
8.2 Experimental
8.3 Results and Discussion
8.3.1 Impedance Spectroscopic Analysis
8.3.2 Dielectric Properties
8.3 2.1 Dielectric Constant
8.3.2.2 Dielectric Loss
8.3.2.3 AC Conductivity
8.4 Conclusion
8.5 References