Dr. Shreya Sharma is currently working as a Postdoctoral Researcher at Sabanci University Nanotechnology Research and Application Centre, Türkiye. Dr. Peeyush Phogat completed his Ph.D. in Physics at Netaji Subhas University of Technology. Ms. Jahanvi Thakur is currently pursuing her Ph.D. at Simon Fraser University, Canada. Prof. N. L. Singh is the Associate Dean at the Faculty of Scientific Skills, Delhi Skill and Entrepreneurship University, New Delhi -110077.

• About the Authors xiiiPreface xvAcknowledgements xviiDisclosure of AI Use xix1 Introduction to Core-shell Nanomaterials 11.1 Basic Concept of Core-shell Structures 21.2 Historical Development of Core-shell Materials 31.3 Unique Properties of Core-shell Structures 61.3.1 Structural and Morphological Characteristics 71.3.2 Enhanced Stability and Core Protection 81.3.3 Controlled Surface Chemistry and Functionalization 91.3.4 Tunable Optical and Electronic Properties 111.3.5 Magnetic and Catalytic Synergies 121.3.6 Mechanical Strength and Durability Enhancements 141.4 Role in Advancing Nanotechnology 151.4.1 Energy Storage and Conversion 161.4.2 Environmental Applications and Sustainability 181.4.3 Biomedical Innovations and Drug Delivery 191.4.4 Electronics, Photonics, and Wearable Technologies 211.4.5 Emerging Fields and Future Prospects 231.5 Conclusion 242 Fundamentals of Core-shell Nanomaterials 332.1 Core-shell Configurations and Types 342.1.1 Solid Core-shell Structures 352.1.2 Hollow Core-shell Structures 372.1.3 Multi-shell (Layered) Architectures 382.1.4 Janus and Asymmetric Core-shell Systems 392.1.5 Core-shell Hybrid and Composite Nanostructures 412.2 Theoretical Basis of Core-shell Interactions 422.2.1 Interfacial Phenomena in Core-shell Materials 432.2.2 Electronic and Optical Coupling Between Core and Shell 442.2.3 Mechanical and Thermal Stability Considerations 462.2.4 Core-shell Effects on Catalysis and Reactivity 482.2.5 Computational and Modeling Approaches in Core-shell Systems 492.3 Core-shell Material Compositions 522.3.1 Metallic Core-shell Nanostructures 522.3.2 Polymeric Core-shell Systems 532.3.3 Metal Oxide-based Core-shell Nanostructures 532.3.4 Hybrid and Composite Core-shell Materials 542.4 Structure–Property Relationships in Core-shell Materials 552.4.1 Influence of Core and Shell Thickness on Properties 552.4.2 Effect of Core-shell Interfaces on Mechanical and Thermal Stability 572.4.3 Optical and Electronic Properties of Core-shell Architectures 592.4.4 Magnetic and Catalytic Performance Optimization 602.4.5 Tunability of Properties Through Shell Modification 622.5 Conclusion 643 Synthesis of Core-shell Nanomaterials 733.1 Physical Methods for Core-shell Synthesis 743.1.1 PVD and Thermal Evaporation 743.1.2 Sputtering and PLD 763.1.3 Mechanical Milling and Ball Milling Approaches 773.1.4 Electrospinning and Physical Encapsulation Techniques 793.1.5 Template-assisted Physical Synthesis 803.2 Chemical Methods for Core-shell Synthesis 813.2.1 Sol–Gel Method and Controlled Precipitation 823.2.2 Hydrothermal and Solvothermal Approaches 843.2.3 Coprecipitation and Layer-by-layer Assembly 843.2.4 Chemical Vapor Deposition 863.2.5 Colloidal Synthesis and Wet-chemical Techniques 873.3 Green and Sustainable Synthesis Approaches 883.3.1 Biogenic and Plant-based Synthesis of Core-shell Nanomaterials 893.3.2 Use of Non-toxic and Eco-friendly Precursors 913.3.3 Energy-efficient and Low-temperature Processing 923.3.4 Waste Utilization and Recycling in Core-shell Synthesis 933.3.5 Water-based and Solvent-free Synthesis Strategies 943.4 Scalability and Cost-efficient Manufacturing 953.4.1 Batch vs. Continuous Production Techniques 963.4.2 Large-scale Industrial Synthesis of Core-shell Nanomaterials 973.4.3 Cost and Energy Considerations in Scale-up 993.4.4 Challenges in Mass Production and Quality Control 1003.4.5 Automated and AI-driven Synthesis Methods 1023.5 Emerging Trends in Synthesis Strategies 1033.6 Conclusion 1044 Characterization Techniques for Core-shell Nanomaterials 1134.1 Microscopy Techniques 1144.1.1 SEM for Morphology Analysis 1144.1.2 TEM and High-resolution TEM 1164.1.3 AFM for Surface Analysis 1174.1.4 FIB and 3D Imaging Techniques 1184.2 Spectroscopy Techniques 1204.2.1 UV-Vis and PL Spectroscopy 1214.2.2 Raman Spectroscopy and Surface-enhanced Raman Spectroscopy 1224.2.3 Fourier Transform Infrared Spectroscopy 1244.2.4 XPS for Surface Composition Analysis 1264.2.5 EDS for Elemental Mapping 1274.3 Thermal and Mechanical Analysis 1284.3.1 Thermogravimetric Analysis (TGA) for Stability Testing 1294.3.2 DSC for Phase Transition Studies 1294.3.3 Nanoindentation for Mechanical Property Evaluation 1314.3.4 Dynamic Mechanical Analysis and Stress–Strain Behavior 1314.4 Real-time Monitoring and In Situ Characterization 1324.4.1 In Situ TEM and Operando Microscopy for Dynamic Analysis 1334.4.2 In Situ Spectroscopy for Reaction Mechanism Studies 1344.4.3 Real-time Surface and Interface Monitoring Techniques 1344.4.4 Environmental and Live-cell Imaging for Bioapplications 1354.5 Advanced Characterization Techniques 1364.5.1 Synchrotron-based X-ray Techniques for Nanoscale Analysis 1374.5.2 Neutron Scattering and Magnetic Property Investigations 1384.5.3 Cryo-EM and Super-resolution Imaging in Core-shell Studies 1394.5.4 AI-driven and Machine Learning Approaches in Material Characterization 1394.6 Conclusion 1405 Core-shell Nanomaterials for Energy Applications 1475.1 Introduction 1475.2 Photovoltaics: Enhancing Solar Cell Efficiency 1495.3 Energy Storage: Batteries, Supercapacitors, and Fuel Cells 1525.4 Hydrogen Generation and Storage Systems 1555.5 Electrocatalysis and Photocatalysis 1585.6 Conclusion 1626 Core-shell Nanomaterials in Environmental Applications 1696.1 Introduction 1696.2 Core-shell Nanomaterials for Water Purification 1726.2.1 Adsorption Techniques 1726.2.2 Filtration Applications 1756.2.3 Photocatalysis for Water Treatment 1776.3 Core-shell Nanomaterials for Air Quality Improvement 1816.3.1 Pollutant Removal 1816.3.2 Gas Sensors 1826.4 Core-shell Nanomaterials for CCS 1836.5 Core-shell Nanomaterials in Waste Management and Recycling 1856.5.1 Waste Treatment and Resource Recovery 1856.5.2 Biodegradable and Sustainable Core-shell Materials 1876.6 Challenges and Future Perspectives 1886.6.1 Scalability and Economic Considerations 1886.6.2 Environmental Impact and Toxicity Concerns 1886.6.3 Future Trends in Core-shell Environmental Nanotechnology 1896.7 Conclusion 1897 Biomedical Applications of Core-shell Nanostructures 1957.1 Introduction to Biomedical Applications 1957.2 Targeted Drug Delivery Systems 1987.2.1 Mechanism of Targeted Drug Delivery 1987.2.2 Types of Core-shell Nanostructures for Drug Delivery 2007.2.3 Examples of Effective Core-shell Systems 2017.3 Bioimaging and Diagnostics 2037.3.1 Role of Core-shell Materials in Bioimaging 2037.3.2 Core-shell Materials in Diagnostics 2057.3.3 Applications in Early-stage Disease Detection 2067.3.4 Examples of Core-shell Materials in Bioimaging and Diagnostics 2087.4 Theranostics: Combining Therapy and Diagnostics 2097.4.1 Concept of Theranostics 2097.4.2 Mechanisms in Theranostics 2107.4.3 Examples of Nanomaterials Used and Applications in Cancer Theranostics 2127.5 Biocompatibility and Safety Assessment 2137.6 Conclusion 2168 Emerging Applications of Core-shell Nanomaterials 2238.1 Introduction 2238.2 Smart Coatings and Functional Textiles 2268.2.1 Mechanism and Functionality 2268.2.2 Applications in Protective and Smart Surfaces 2278.3 Sensors and Actuators 2298.3.1 Core-shell Nanomaterials in Sensors 2298.3.1.1 Mechanism of Signal Enhancement Using Core-shell Systems 2308.3.1.2 Detection of Environmental Pollutants, Gases, and Biomolecules 2308.3.1.3 Advantages of Core-shell Nanomaterials in Sensors 2318.3.2 Actuator Applications 2318.3.2.1 High-performance Actuators in Robotics and Adaptive Systems 2318.3.2.2 Role in Precision Movements and Responsiveness 2328.3.2.3 Applications in High-performance Actuators 2338.4 Optoelectronics and QDs 2348.4.1 Role of Core-shell Nanomaterials 2348.4.2 QDs-based Core-shell Systems 2358.5 3D Printing and Additive Manufacturing 2378.5.1 Role of Core-shell Nanomaterials in 3D Printing 2378.5.2 Applications in Customized Devices and Prototypes 2398.6 Conclusion 2419 Challenges and Opportunities in Core-shell Nanotechnology 2479.1 Introduction 2479.2 Synthesis Complexity and Control Issues 2499.3 Scalability and Industrialization Challenges 2509.4 Environmental and Toxicological Concerns 2539.5 Economic and Regulatory Barriers 2559.5.1 Cost-related Challenges in the Commercialization of Core-shell Nanomaterials 2559.5.2 Economic Feasibility in Manufacturing and Integrating These Materials into Existing Products 2559.5.3 Regulatory Hurdles and Approval Processes for Nanomaterial-based Products 2559.6 Emerging Trends in Core-shell Research 2579.7 Integration with AI and ml 2589.8 Interdisciplinary Approaches for Advanced Applications 2609.9 Potential Breakthroughs in Energy, Environment, and Medicine 2619.9.1 Energy Applications: Next-generation Energy Storage, Conversion, and Harvesting 2629.9.2 Environmental Applications: Waste Treatment, Water Purification, and Pollution Control 2629.9.3 Medical Applications: Targeted Drug Delivery, Theranostics, and Tissue Engineering 2639.9.4 Future Opportunities for Core-shell Nanomaterials 2639.10 Conclusion 264Index 271

Dr. Shreya Sharma is currently working as a Postdoctoral Researcher at Sabanci University Nanotechnology Research and Application Centre, Türkiye. Dr. Peeyush Phogat completed his Ph.D. in Physics at Netaji Subhas University of Technology. Ms. Jahanvi Thakur is currently pursuing her Ph.D. at Simon Fraser University, Canada. Prof. N. L. Singh is the Associate Dean at the Faculty of Scientific Skills, Delhi Skill and Entrepreneurship University, New Delhi -110077.

• About the Authors xiiiPreface xvAcknowledgements xviiDisclosure of AI Use xix1 Introduction to Core-shell Nanomaterials 11.1 Basic Concept of Core-shell Structures 21.2 Historical Development of Core-shell Materials 31.3 Unique Properties of Core-shell Structures 61.3.1 Structural and Morphological Characteristics 71.3.2 Enhanced Stability and Core Protection 81.3.3 Controlled Surface Chemistry and Functionalization 91.3.4 Tunable Optical and Electronic Properties 111.3.5 Magnetic and Catalytic Synergies 121.3.6 Mechanical Strength and Durability Enhancements 141.4 Role in Advancing Nanotechnology 151.4.1 Energy Storage and Conversion 161.4.2 Environmental Applications and Sustainability 181.4.3 Biomedical Innovations and Drug Delivery 191.4.4 Electronics, Photonics, and Wearable Technologies 211.4.5 Emerging Fields and Future Prospects 231.5 Conclusion 242 Fundamentals of Core-shell Nanomaterials 332.1 Core-shell Configurations and Types 342.1.1 Solid Core-shell Structures 352.1.2 Hollow Core-shell Structures 372.1.3 Multi-shell (Layered) Architectures 382.1.4 Janus and Asymmetric Core-shell Systems 392.1.5 Core-shell Hybrid and Composite Nanostructures 412.2 Theoretical Basis of Core-shell Interactions 422.2.1 Interfacial Phenomena in Core-shell Materials 432.2.2 Electronic and Optical Coupling Between Core and Shell 442.2.3 Mechanical and Thermal Stability Considerations 462.2.4 Core-shell Effects on Catalysis and Reactivity 482.2.5 Computational and Modeling Approaches in Core-shell Systems 492.3 Core-shell Material Compositions 522.3.1 Metallic Core-shell Nanostructures 522.3.2 Polymeric Core-shell Systems 532.3.3 Metal Oxide-based Core-shell Nanostructures 532.3.4 Hybrid and Composite Core-shell Materials 542.4 Structure–Property Relationships in Core-shell Materials 552.4.1 Influence of Core and Shell Thickness on Properties 552.4.2 Effect of Core-shell Interfaces on Mechanical and Thermal Stability 572.4.3 Optical and Electronic Properties of Core-shell Architectures 592.4.4 Magnetic and Catalytic Performance Optimization 602.4.5 Tunability of Properties Through Shell Modification 622.5 Conclusion 643 Synthesis of Core-shell Nanomaterials 733.1 Physical Methods for Core-shell Synthesis 743.1.1 PVD and Thermal Evaporation 743.1.2 Sputtering and PLD 763.1.3 Mechanical Milling and Ball Milling Approaches 773.1.4 Electrospinning and Physical Encapsulation Techniques 793.1.5 Template-assisted Physical Synthesis 803.2 Chemical Methods for Core-shell Synthesis 813.2.1 Sol–Gel Method and Controlled Precipitation 823.2.2 Hydrothermal and Solvothermal Approaches 843.2.3 Coprecipitation and Layer-by-layer Assembly 843.2.4 Chemical Vapor Deposition 863.2.5 Colloidal Synthesis and Wet-chemical Techniques 873.3 Green and Sustainable Synthesis Approaches 883.3.1 Biogenic and Plant-based Synthesis of Core-shell Nanomaterials 893.3.2 Use of Non-toxic and Eco-friendly Precursors 913.3.3 Energy-efficient and Low-temperature Processing 923.3.4 Waste Utilization and Recycling in Core-shell Synthesis 933.3.5 Water-based and Solvent-free Synthesis Strategies 943.4 Scalability and Cost-efficient Manufacturing 953.4.1 Batch vs. Continuous Production Techniques 963.4.2 Large-scale Industrial Synthesis of Core-shell Nanomaterials 973.4.3 Cost and Energy Considerations in Scale-up 993.4.4 Challenges in Mass Production and Quality Control 1003.4.5 Automated and AI-driven Synthesis Methods 1023.5 Emerging Trends in Synthesis Strategies 1033.6 Conclusion 1044 Characterization Techniques for Core-shell Nanomaterials 1134.1 Microscopy Techniques 1144.1.1 SEM for Morphology Analysis 1144.1.2 TEM and High-resolution TEM 1164.1.3 AFM for Surface Analysis 1174.1.4 FIB and 3D Imaging Techniques 1184.2 Spectroscopy Techniques 1204.2.1 UV-Vis and PL Spectroscopy 1214.2.2 Raman Spectroscopy and Surface-enhanced Raman Spectroscopy 1224.2.3 Fourier Transform Infrared Spectroscopy 1244.2.4 XPS for Surface Composition Analysis 1264.2.5 EDS for Elemental Mapping 1274.3 Thermal and Mechanical Analysis 1284.3.1 Thermogravimetric Analysis (TGA) for Stability Testing 1294.3.2 DSC for Phase Transition Studies 1294.3.3 Nanoindentation for Mechanical Property Evaluation 1314.3.4 Dynamic Mechanical Analysis and Stress–Strain Behavior 1314.4 Real-time Monitoring and In Situ Characterization 1324.4.1 In Situ TEM and Operando Microscopy for Dynamic Analysis 1334.4.2 In Situ Spectroscopy for Reaction Mechanism Studies 1344.4.3 Real-time Surface and Interface Monitoring Techniques 1344.4.4 Environmental and Live-cell Imaging for Bioapplications 1354.5 Advanced Characterization Techniques 1364.5.1 Synchrotron-based X-ray Techniques for Nanoscale Analysis 1374.5.2 Neutron Scattering and Magnetic Property Investigations 1384.5.3 Cryo-EM and Super-resolution Imaging in Core-shell Studies 1394.5.4 AI-driven and Machine Learning Approaches in Material Characterization 1394.6 Conclusion 1405 Core-shell Nanomaterials for Energy Applications 1475.1 Introduction 1475.2 Photovoltaics: Enhancing Solar Cell Efficiency 1495.3 Energy Storage: Batteries, Supercapacitors, and Fuel Cells 1525.4 Hydrogen Generation and Storage Systems 1555.5 Electrocatalysis and Photocatalysis 1585.6 Conclusion 1626 Core-shell Nanomaterials in Environmental Applications 1696.1 Introduction 1696.2 Core-shell Nanomaterials for Water Purification 1726.2.1 Adsorption Techniques 1726.2.2 Filtration Applications 1756.2.3 Photocatalysis for Water Treatment 1776.3 Core-shell Nanomaterials for Air Quality Improvement 1816.3.1 Pollutant Removal 1816.3.2 Gas Sensors 1826.4 Core-shell Nanomaterials for CCS 1836.5 Core-shell Nanomaterials in Waste Management and Recycling 1856.5.1 Waste Treatment and Resource Recovery 1856.5.2 Biodegradable and Sustainable Core-shell Materials 1876.6 Challenges and Future Perspectives 1886.6.1 Scalability and Economic Considerations 1886.6.2 Environmental Impact and Toxicity Concerns 1886.6.3 Future Trends in Core-shell Environmental Nanotechnology 1896.7 Conclusion 1897 Biomedical Applications of Core-shell Nanostructures 1957.1 Introduction to Biomedical Applications 1957.2 Targeted Drug Delivery Systems 1987.2.1 Mechanism of Targeted Drug Delivery 1987.2.2 Types of Core-shell Nanostructures for Drug Delivery 2007.2.3 Examples of Effective Core-shell Systems 2017.3 Bioimaging and Diagnostics 2037.3.1 Role of Core-shell Materials in Bioimaging 2037.3.2 Core-shell Materials in Diagnostics 2057.3.3 Applications in Early-stage Disease Detection 2067.3.4 Examples of Core-shell Materials in Bioimaging and Diagnostics 2087.4 Theranostics: Combining Therapy and Diagnostics 2097.4.1 Concept of Theranostics 2097.4.2 Mechanisms in Theranostics 2107.4.3 Examples of Nanomaterials Used and Applications in Cancer Theranostics 2127.5 Biocompatibility and Safety Assessment 2137.6 Conclusion 2168 Emerging Applications of Core-shell Nanomaterials 2238.1 Introduction 2238.2 Smart Coatings and Functional Textiles 2268.2.1 Mechanism and Functionality 2268.2.2 Applications in Protective and Smart Surfaces 2278.3 Sensors and Actuators 2298.3.1 Core-shell Nanomaterials in Sensors 2298.3.1.1 Mechanism of Signal Enhancement Using Core-shell Systems 2308.3.1.2 Detection of Environmental Pollutants, Gases, and Biomolecules 2308.3.1.3 Advantages of Core-shell Nanomaterials in Sensors 2318.3.2 Actuator Applications 2318.3.2.1 High-performance Actuators in Robotics and Adaptive Systems 2318.3.2.2 Role in Precision Movements and Responsiveness 2328.3.2.3 Applications in High-performance Actuators 2338.4 Optoelectronics and QDs 2348.4.1 Role of Core-shell Nanomaterials 2348.4.2 QDs-based Core-shell Systems 2358.5 3D Printing and Additive Manufacturing 2378.5.1 Role of Core-shell Nanomaterials in 3D Printing 2378.5.2 Applications in Customized Devices and Prototypes 2398.6 Conclusion 2419 Challenges and Opportunities in Core-shell Nanotechnology 2479.1 Introduction 2479.2 Synthesis Complexity and Control Issues 2499.3 Scalability and Industrialization Challenges 2509.4 Environmental and Toxicological Concerns 2539.5 Economic and Regulatory Barriers 2559.5.1 Cost-related Challenges in the Commercialization of Core-shell Nanomaterials 2559.5.2 Economic Feasibility in Manufacturing and Integrating These Materials into Existing Products 2559.5.3 Regulatory Hurdles and Approval Processes for Nanomaterial-based Products 2559.6 Emerging Trends in Core-shell Research 2579.7 Integration with AI and ml 2589.8 Interdisciplinary Approaches for Advanced Applications 2609.9 Potential Breakthroughs in Energy, Environment, and Medicine 2619.9.1 Energy Applications: Next-generation Energy Storage, Conversion, and Harvesting 2629.9.2 Environmental Applications: Waste Treatment, Water Purification, and Pollution Control 2629.9.3 Medical Applications: Targeted Drug Delivery, Theranostics, and Tissue Engineering 2639.9.4 Future Opportunities for Core-shell Nanomaterials 2639.10 Conclusion 264Index 271

Dr. Shreya Sharma is currently working as a Postdoctoral Researcher at Sabanci University Nanotechnology Research and Application Centre, Türkiye. Dr. Peeyush Phogat completed his Ph.D. in Physics at Netaji Subhas University of Technology. Ms. Jahanvi Thakur is currently pursuing her Ph.D. at Simon Fraser University, Canada. Prof. N. L. Singh is the Associate Dean at the Faculty of Scientific Skills, Delhi Skill and Entrepreneurship University, New Delhi -110077.

• About the Authors xiiiPreface xvAcknowledgements xviiDisclosure of AI Use xix1 Introduction to Core-shell Nanomaterials 11.1 Basic Concept of Core-shell Structures 21.2 Historical Development of Core-shell Materials 31.3 Unique Properties of Core-shell Structures 61.3.1 Structural and Morphological Characteristics 71.3.2 Enhanced Stability and Core Protection 81.3.3 Controlled Surface Chemistry and Functionalization 91.3.4 Tunable Optical and Electronic Properties 111.3.5 Magnetic and Catalytic Synergies 121.3.6 Mechanical Strength and Durability Enhancements 141.4 Role in Advancing Nanotechnology 151.4.1 Energy Storage and Conversion 161.4.2 Environmental Applications and Sustainability 181.4.3 Biomedical Innovations and Drug Delivery 191.4.4 Electronics, Photonics, and Wearable Technologies 211.4.5 Emerging Fields and Future Prospects 231.5 Conclusion 242 Fundamentals of Core-shell Nanomaterials 332.1 Core-shell Configurations and Types 342.1.1 Solid Core-shell Structures 352.1.2 Hollow Core-shell Structures 372.1.3 Multi-shell (Layered) Architectures 382.1.4 Janus and Asymmetric Core-shell Systems 392.1.5 Core-shell Hybrid and Composite Nanostructures 412.2 Theoretical Basis of Core-shell Interactions 422.2.1 Interfacial Phenomena in Core-shell Materials 432.2.2 Electronic and Optical Coupling Between Core and Shell 442.2.3 Mechanical and Thermal Stability Considerations 462.2.4 Core-shell Effects on Catalysis and Reactivity 482.2.5 Computational and Modeling Approaches in Core-shell Systems 492.3 Core-shell Material Compositions 522.3.1 Metallic Core-shell Nanostructures 522.3.2 Polymeric Core-shell Systems 532.3.3 Metal Oxide-based Core-shell Nanostructures 532.3.4 Hybrid and Composite Core-shell Materials 542.4 Structure–Property Relationships in Core-shell Materials 552.4.1 Influence of Core and Shell Thickness on Properties 552.4.2 Effect of Core-shell Interfaces on Mechanical and Thermal Stability 572.4.3 Optical and Electronic Properties of Core-shell Architectures 592.4.4 Magnetic and Catalytic Performance Optimization 602.4.5 Tunability of Properties Through Shell Modification 622.5 Conclusion 643 Synthesis of Core-shell Nanomaterials 733.1 Physical Methods for Core-shell Synthesis 743.1.1 PVD and Thermal Evaporation 743.1.2 Sputtering and PLD 763.1.3 Mechanical Milling and Ball Milling Approaches 773.1.4 Electrospinning and Physical Encapsulation Techniques 793.1.5 Template-assisted Physical Synthesis 803.2 Chemical Methods for Core-shell Synthesis 813.2.1 Sol–Gel Method and Controlled Precipitation 823.2.2 Hydrothermal and Solvothermal Approaches 843.2.3 Coprecipitation and Layer-by-layer Assembly 843.2.4 Chemical Vapor Deposition 863.2.5 Colloidal Synthesis and Wet-chemical Techniques 873.3 Green and Sustainable Synthesis Approaches 883.3.1 Biogenic and Plant-based Synthesis of Core-shell Nanomaterials 893.3.2 Use of Non-toxic and Eco-friendly Precursors 913.3.3 Energy-efficient and Low-temperature Processing 923.3.4 Waste Utilization and Recycling in Core-shell Synthesis 933.3.5 Water-based and Solvent-free Synthesis Strategies 943.4 Scalability and Cost-efficient Manufacturing 953.4.1 Batch vs. Continuous Production Techniques 963.4.2 Large-scale Industrial Synthesis of Core-shell Nanomaterials 973.4.3 Cost and Energy Considerations in Scale-up 993.4.4 Challenges in Mass Production and Quality Control 1003.4.5 Automated and AI-driven Synthesis Methods 1023.5 Emerging Trends in Synthesis Strategies 1033.6 Conclusion 1044 Characterization Techniques for Core-shell Nanomaterials 1134.1 Microscopy Techniques 1144.1.1 SEM for Morphology Analysis 1144.1.2 TEM and High-resolution TEM 1164.1.3 AFM for Surface Analysis 1174.1.4 FIB and 3D Imaging Techniques 1184.2 Spectroscopy Techniques 1204.2.1 UV-Vis and PL Spectroscopy 1214.2.2 Raman Spectroscopy and Surface-enhanced Raman Spectroscopy 1224.2.3 Fourier Transform Infrared Spectroscopy 1244.2.4 XPS for Surface Composition Analysis 1264.2.5 EDS for Elemental Mapping 1274.3 Thermal and Mechanical Analysis 1284.3.1 Thermogravimetric Analysis (TGA) for Stability Testing 1294.3.2 DSC for Phase Transition Studies 1294.3.3 Nanoindentation for Mechanical Property Evaluation 1314.3.4 Dynamic Mechanical Analysis and Stress–Strain Behavior 1314.4 Real-time Monitoring and In Situ Characterization 1324.4.1 In Situ TEM and Operando Microscopy for Dynamic Analysis 1334.4.2 In Situ Spectroscopy for Reaction Mechanism Studies 1344.4.3 Real-time Surface and Interface Monitoring Techniques 1344.4.4 Environmental and Live-cell Imaging for Bioapplications 1354.5 Advanced Characterization Techniques 1364.5.1 Synchrotron-based X-ray Techniques for Nanoscale Analysis 1374.5.2 Neutron Scattering and Magnetic Property Investigations 1384.5.3 Cryo-EM and Super-resolution Imaging in Core-shell Studies 1394.5.4 AI-driven and Machine Learning Approaches in Material Characterization 1394.6 Conclusion 1405 Core-shell Nanomaterials for Energy Applications 1475.1 Introduction 1475.2 Photovoltaics: Enhancing Solar Cell Efficiency 1495.3 Energy Storage: Batteries, Supercapacitors, and Fuel Cells 1525.4 Hydrogen Generation and Storage Systems 1555.5 Electrocatalysis and Photocatalysis 1585.6 Conclusion 1626 Core-shell Nanomaterials in Environmental Applications 1696.1 Introduction 1696.2 Core-shell Nanomaterials for Water Purification 1726.2.1 Adsorption Techniques 1726.2.2 Filtration Applications 1756.2.3 Photocatalysis for Water Treatment 1776.3 Core-shell Nanomaterials for Air Quality Improvement 1816.3.1 Pollutant Removal 1816.3.2 Gas Sensors 1826.4 Core-shell Nanomaterials for CCS 1836.5 Core-shell Nanomaterials in Waste Management and Recycling 1856.5.1 Waste Treatment and Resource Recovery 1856.5.2 Biodegradable and Sustainable Core-shell Materials 1876.6 Challenges and Future Perspectives 1886.6.1 Scalability and Economic Considerations 1886.6.2 Environmental Impact and Toxicity Concerns 1886.6.3 Future Trends in Core-shell Environmental Nanotechnology 1896.7 Conclusion 1897 Biomedical Applications of Core-shell Nanostructures 1957.1 Introduction to Biomedical Applications 1957.2 Targeted Drug Delivery Systems 1987.2.1 Mechanism of Targeted Drug Delivery 1987.2.2 Types of Core-shell Nanostructures for Drug Delivery 2007.2.3 Examples of Effective Core-shell Systems 2017.3 Bioimaging and Diagnostics 2037.3.1 Role of Core-shell Materials in Bioimaging 2037.3.2 Core-shell Materials in Diagnostics 2057.3.3 Applications in Early-stage Disease Detection 2067.3.4 Examples of Core-shell Materials in Bioimaging and Diagnostics 2087.4 Theranostics: Combining Therapy and Diagnostics 2097.4.1 Concept of Theranostics 2097.4.2 Mechanisms in Theranostics 2107.4.3 Examples of Nanomaterials Used and Applications in Cancer Theranostics 2127.5 Biocompatibility and Safety Assessment 2137.6 Conclusion 2168 Emerging Applications of Core-shell Nanomaterials 2238.1 Introduction 2238.2 Smart Coatings and Functional Textiles 2268.2.1 Mechanism and Functionality 2268.2.2 Applications in Protective and Smart Surfaces 2278.3 Sensors and Actuators 2298.3.1 Core-shell Nanomaterials in Sensors 2298.3.1.1 Mechanism of Signal Enhancement Using Core-shell Systems 2308.3.1.2 Detection of Environmental Pollutants, Gases, and Biomolecules 2308.3.1.3 Advantages of Core-shell Nanomaterials in Sensors 2318.3.2 Actuator Applications 2318.3.2.1 High-performance Actuators in Robotics and Adaptive Systems 2318.3.2.2 Role in Precision Movements and Responsiveness 2328.3.2.3 Applications in High-performance Actuators 2338.4 Optoelectronics and QDs 2348.4.1 Role of Core-shell Nanomaterials 2348.4.2 QDs-based Core-shell Systems 2358.5 3D Printing and Additive Manufacturing 2378.5.1 Role of Core-shell Nanomaterials in 3D Printing 2378.5.2 Applications in Customized Devices and Prototypes 2398.6 Conclusion 2419 Challenges and Opportunities in Core-shell Nanotechnology 2479.1 Introduction 2479.2 Synthesis Complexity and Control Issues 2499.3 Scalability and Industrialization Challenges 2509.4 Environmental and Toxicological Concerns 2539.5 Economic and Regulatory Barriers 2559.5.1 Cost-related Challenges in the Commercialization of Core-shell Nanomaterials 2559.5.2 Economic Feasibility in Manufacturing and Integrating These Materials into Existing Products 2559.5.3 Regulatory Hurdles and Approval Processes for Nanomaterial-based Products 2559.6 Emerging Trends in Core-shell Research 2579.7 Integration with AI and ml 2589.8 Interdisciplinary Approaches for Advanced Applications 2609.9 Potential Breakthroughs in Energy, Environment, and Medicine 2619.9.1 Energy Applications: Next-generation Energy Storage, Conversion, and Harvesting 2629.9.2 Environmental Applications: Waste Treatment, Water Purification, and Pollution Control 2629.9.3 Medical Applications: Targeted Drug Delivery, Theranostics, and Tissue Engineering 2639.9.4 Future Opportunities for Core-shell Nanomaterials 2639.10 Conclusion 264Index 271