Recent Advances in Nanotechnology: Select Proceedings of ICNOC 2022 (Springer Proceedings in Materials, 28)

Preface Contents About the Editors Design of Hetero-Dielectric Single-Metal Gate-All-Around MOSFET with Schottky Contact Source/Drain 1 Introduction 2 Device Modeling 2.1 Influence on Electrical Characteristics 2.2 Input/Output Characteristics 2.3 Device Physics 3 Results and Discussion 4 Conclusion References The Optimization of Perovskite/CuSCN Solar Cell with SnO2 Electron Transport Layer Using SCAPS-1D 1 Introduction 2 Material and Methods 3 Simulation Results and Discussion 4 Conclusion References Metal/Polymeric Hierarchical Platform as Biosensor 1 Introduction 2 Materials and Methods 2.1 Construction of Colloidal Crystals 2.2 Synthesis of GIO 2.3 Synthesis of MI-Polymer/GIO 3 Results and Discussion 3.1 Morphological and Chemical Studies of the MEs 3.2 Electrochemical Characteristics of the MEs 3.3 Calibration and Selectivity Curve 4 Conclusion References Inexpensive Fabrication of Visible Dielectric Reflector for Improving the Performance of Visible Light Communication 1 Introduction 2 Synthesis of Titania and Silica Gels 3 Results and Discussion 4 Conclusions References Controllable Fast and Slow Light in a Quadratically Coupled Optomechanical System Assisted by Quantum Dot Molecules 1 Introduction 2 Theoretical Model 3 Results and Discussion 4 Conclusion References Performance Analysis of NiO/Ch3Nh3GeI3/SnO2 Perovskite Solar Cell Using SCAPS 1D 1 Introduction 2 Materials and Methods 3 Results 4 Conclusion References Enhanced Biodiesel Production from Waste Cooking Oil Using ZnO Nanocatalyst 1 Introduction 2 Materials and Methods 2.1 Biodiesel Production 2.2 Measurement of Properties of Biodiesel 3 Results and Discussion 3.1 Characterization of ZnO Nanoparticles 3.2 Effect of ZnO on Yield of WCO Biodiesel 3.3 Properties of WCO Biodiesel 4 Conclusion References Energy Conservation in the Vapour Compression Refrigeration System Using Nanorefrigerant 1 Introduction 2 Experimental Methodology 2.1 Flow Boiling Heat Transfer Studies on R134a/TiO2 Nanorefrigerant 2.2 Performance Evaluation of Vapour Compression Refrigeration System (VCRS) 3 Results and Discussion 3.1 Flow Boiling Heat Transfer of R134a/PAG Oil and R134a/TiO2/PAG Oil 3.2 Power Consumption and COP of the VCRS 4 Conclusions References Facile Synthesis of Highly Fluorescent N-CQDs and Its Application for Dye Degradation and Sensing of Cr3+ 1 Introduction 2 Materials and Instruments 2.1 N-CDs Synthesis 2.2 Photocatalytic Activity and Fluorescence Quenching of N-CDs 3 Results and Discussion 3.1 Morphological and Optical Studies of N-CDs 3.2 Sensing of Cr3+ and Photocatalytic Degradation of Rhodamine B Dye 4 Conclusion References TiO2/PEDOT: PSS Hybrid Matrix for Optoelectronic Devices 1 Introduction 2 Materials and Methods 2.1 Materials 2.2 Methods 3 Results and Discussion 3.1 Characterization of the Device 3.2 Photoconductivity Measurements 4 Conclusion References Ag@CuO Nanohybrid-Based Electrochemical Biosensor for Trichlorfon Detection 1 Introduction 2 Experimental Section 2.1 Materials and Reagents 2.2 Preparation of CuO and Ag@CuO 2.3 Electrophoretic Deposition (EPD) and Biosensor Fabrication 3 Results and Discussion 3.1 Structural Characterization of CuO and Ag@CuO 3.2 Morphological Characterization of Prepared Materials 3.3 Electrochemical Characterization of Fabricated Electrodes 3.4 Electrochemical Detection of Trichlorfon 4 Conclusion References Novel Thermoelectric Material Ba2AlNbO6 for Energy Harvesting Applications 1 Introduction 2 Computational Details 3 Results and Discussion 3.1 Structural Phase Stability and Cohesive Energy 3.2 Electronic and Thermoelectric Properties 3.3 Optical Properties 4 Conclusions References Two-Dimensional Si2BNO4: A Potential Material for Optoelectronic Applications—An Ab-Initio Study 1 Introduction 2 Computational Methodology 3 Results and Discussion 4 Conclusion References Numerical Study of Perovskite Solar Cells Using DFT-Extracted Parameters of Lead-Free CsGeX3 (X = I, Br) Light Absorbing Material 1 Introduction 2 Device Architecture 3 DFT Calculations 4 Results and Discussion 4.1 Electronic Band Structure and Density of States 4.2 Optical Properties 4.3 Solar Cell Characteristics 4.4 Effect of Thickness and Defect Density of the Perovskite Layer 5 Conclusion References Affinity Optimization of Commercially Available Crystalline-Silicon Heterojunction Solar Cell by Using AFORS-HET Software 1 Introduction 2 Designed Structure 3 Results and Discussion 4 Conclusion References Theoretical Investigation by Density Functional Theory and Molecular Docking of a Naturally Occurring Anticancer Drug: 9-Hydroxyellipticine 1 Introduction 2 Computational Methods 3 Results and Discussion 3.1 Molecular Structure and Global Reactivity Descriptors Analysis 4 Molecular Docking 5 Conclusion References Antimicrobial and Antibiofilm Activity of Silver Nanoparticles Derived from Prolinoborus fasciculus Against Multi-drug-resistant K. pneumoniae and E. faecium, Isolated from Effluent Samples 1 Introduction 1.1 Methodology 2 Result and Discussion 3 Summary and Conclusion References Design and Simulation of Pure CNTFET-OTA-Based Low-Pass Filters 1 Introduction 2 CNTFET 3 Operational Transconductance Amplifier (OTA) 4 Active Filters 5 Results and Discussion 6 Conclusion References Intrinsic Growth Challenges in Pulsed Laser-Deposited Al2O3/TiO2 Subnanometric Laminates as a Potential Dielectric Material for High-Density Storage Applications 1 Introduction 2 Experimental Section 3 Results and Discussion 4 Conclusions References Infrared Absorption in Silicon Nanostructure-Patterned Absorber 1 Introduction 2 Modeling and Simulation 3 Results and Discussions 4 Conclusion References Exploring Eco-friendly Nanocellulose-Based Hydrogel Membranes as Flexible and Biocompatible Electrolyte in Supercapacitors 1 Introduction 2 Materials and Methods 2.1 Materials 2.2 Methods 3 Results and Discussion 4 Conclusion References SCAPS-Based Analysis of ZrS2/CZTS/MoS2/Si Tandem Solar Cell Parameters 1 Introduction 2 Device Structure and Numerical Simulations 3 Results and Discussion 4 Conclusion References Interaction of NO Gas Molecules with the Edges of Armchair ZnO Nanoribbons for Designing Nanosensors 1 Introduction 2 Computational Details 3 Results and Discussion 4 Conclusion 5 Declaration of Interest Statement References Electrochemical UA Sensor Based on Spherical Shaped Co3O4 Nanostructures 1 Introduction 2 Materials and Methods 2.1 Materials 2.2 Growth of Spherical Shaped-Like Co3O4 Nanostructures 2.3 Uric Acid Sensor Fabrication and Electrochemical Analysis 2.4 Characterizations 3 Results and Discussion 3.1 Characterizations of Co3O4 Nanostructures 3.2 Electrochemical Studies of Co3O4 Nanostructures/SPE Electrode 3.3 Detection of UA Using Cyclic Voltammetry 4 Conclusion References Synthesis of Silver Nanoparticles with Different Morphologies for SERS 1 Introduction 2 Materials and Methods 2.1 Chemicals Used 2.2 Method 3 Results and Discussion 3.1 UV–Vis Spectroscopy 3.2 Transmission Electron Microscopy 3.3 Surface Enhanced Raman Spectroscopy (Sers) 4 Conclusion References Electrochemical Study of Reduced Graphene Oxide for Supercapacitor Application 1 Introduction 2 Methodology 2.1 Reagents 2.2 Synthesis Process of GO and rGO 3 Results and Discussion 3.1 FE-SEM, Raman and XRD Analysis 3.2 Electrochemical Evaluations of GO and rGO 4 Conclusion References Ultrathin and Flexible Gas Sensor Based on Monolayer Graphene for Environmental Monitoring 1 Introduction 2 Materials and Methods 2.1 Materials 2.2 CVD Growth of Monolayer Graphene 2.3 Transfer Process of Monolayer Graphene and Device Fabrication 3 Results and Discussion 3.1 Characterization of MLG 3.2 Testing of the Fabricated Device 4 Conclusion References New Prime Number Counter: Design and Performance Analysis Using CMOS and Carbon Nanotubes 1 Introduction 2 Prime Number Counter 3 Simulation Results and Analysis 4 Conclusion References Simulation-Based Analysis of Plasma-Assisted Carbon Nanotube Field-Effect Transistor (CNTFET) for Improved Device Metrics and Applications 1 Introduction 2 Materials and Methods 3 Results and Discussion 4 Conclusion References Raman Spectroscopy as a Potential Tool to Analyze Alzheimer’s Disease Progression 1 Introduction 2 Methods 3 Results and Discussions 4 Conclusion References Development of Passivation Layer Material for Quantum Dot-Sensitized Solar Cells 1 Introduction 2 Materials and Methods 3 Results and Discussion 3.1 Optical Study (PL and PLE) 3.2 Structural Study (XRD) 3.3 Reaction Kinetics 4 Conclusion References Thermal and Anti-Leakage Performance of PCM for Thermal Energy Storage Applications 1 Introduction 2 Materials and Methods 3 Results and Discussion 3.1 Paraffin Leakage 3.2 Phase Transition Characteristics and Latent Heat Enthalpy 3.3 Thermal Conductivity and Heat Transfer Performance 4 Conclusion References Molecular Hydrogen Storage in Stone–Wales Defected Single-Walled Carbon Nanotubes Using Molecular Dynamics Simulation 1 Introduction 2 Computational Methods 3 Results and Discussion 4 Conclusion References 0.9 V Graphene Transistor Based Triple Cascode Operational Transconductance Amplifier: A Comparative Analysis 1 Introduction 2 Triple Cascode Operational Transconductance Amplifier Based on Carbon Nanotube Field Effect Transistors 3 Results and Discussion 4 Conclusion References Enhanced Photocatalytic Activity of Hydrothermally Synthesized Nanostructured Monoclinic BiVO4 Nanosheets 1 Introduction 2 Synthesis Method 3 Characterization 4 Results and Discussion 5 Photocatalytic Activity Test 6 Conclusion References Biomass Derived Fluorescent Nanocarbon Sensor for Effective Sensing of Toxic Cadmium Metal Ions 1 Introduction 2 Materials and Methods 2.1 IBLH-CD Synthesis from Leaf Extract 3 Results and Discussions 3.1 Structural and Optical Characteristics of the Synthesized IBLH Sample 3.2 Optical Analysis and Fluorescence Quenching of IBLH-CDs Sensor by Cd2+ 4 Conclusion References Design, Simulation, and Comparative Study of CNTFET-Based Folded Cascode Op-Amp with Class AB Output Buffer and Gain Enhancement 1 Introduction 2 Carbon Nanotube Field Effect Transistor (CNTFET) 3 Proposed CNTFET-Based Circuit 3.1 Circuit Analysis by Varying CNT Diameter (DCNT) 3.2 Circuit Analysis by Varying Inter-CNT Pitch (S) 3.3 Circuit Analysis by Varying Number of CNTs (N) 4 Comparison Analysis of CNT-FCOA, NCNT-PMOS-FCOA, PCNT-NMOS-FCOA, and CMOS-FCOA 5 Conclusion References Photoelectrochemical Response of Titania Photoanode Fabricated via Microwave Irradiation 1 Introduction 2 Materials and Method 3 Characterizations 4 Results and Discussions 5 Conclusion References Study of Interaction Between Insulin and Zno Micro-nano Particles Using Dielectric Characterization 1 Introduction 2 Materials and Methods 2.1 Material 2.2 Methods 2.3 Dielectric Measurements 3 Results and Discussion 4 Conclusion References Simulation of Highly Effective Eco-Friendly Inorganic Perovskite Solar Cell Using SCAPS-1D 1 Introduction 2 Device Architecture and Material Parameters 3 Results and Discussion 3.1 Absorber Thickness Variation 4 Conclusion References Photonic Crystal Fiber-Based Biosensor for Sensitive Detection of Breast Cancer Cells in THz Regime 1 Introduction 2 Materials and Methods 3 Results and Discussion 3.1 Confinement Loss 3.2 Birefringence 4 Conclusion References Performance Evaluation of Eco-Friendly (FA)2BiCuI6 Double Perovskite Solar Cell for High Efficiency 1 Introduction 2 Device Model 3 Results and Discussion 4 Conclusion References Effect of NiO Hole Transport Layer Thickness on the Power Conversion Efficiency of Perovskite Solar Cell: A Numerical Simulation Study 1 Introduction 2 Methodology 3 Results and Discussion 4 Conclusion References Visible-Light-Assisted Photocatalytic Degradation of Methyl Orange Using La–Ag3PO4/ZnO as Photocatalyst 1 Introduction 2 Materials and Instrumentation 3 Experimental 4 Results and Discussion 5 Mechanism 6 Conclusions References CNTFET Folded Cascode Operational Transconductance Amplifier: Design and Comparative Analysis 1 Introduction 2 Proposed CNTFET-Based Folded Cascode Operational Transconductance Amplifier 3 Results and Discussion 4 Conclusion References Antibacterial Effect of Phosphorous-Doped Carbon Nanomaterial Derived from Alstonia Venenata 1 Introduction 2 Materials and Methods 3 Results and Discussion 4 Conclusion References Comparative Study for Supercapacitive Performance of Polypyrrole Matrix Reinforced with Different Organic Fillers 1 Introduction 2 Materials and Method 3 Results and Discussion 4 Conclusion References Sustainable Water Splitting Using Nanotechnology for Hydrogen Production: A Review 1 Introduction 2 Role of Nanotechnology in Water Splitting 3 Sustainable Green Processes for Water Splitting 3.1 Photocatalytic Hydrogen Generation 3.2 Photoelectrochemical (PEC) Hydrogen Generation 4 Hydrogen Economy 5 Conclusion References Effect of Different Current Collectors on Electrochemical Performance of Activated Carbon-Based Supercapacitor 1 Introduction 2 Experimental Section 3 Results and Discussion 3.1 Cyclic Voltammeter (CV) 3.2 Electrochemical Impedance Spectroscopy (EIS) 3.3 Galvanostatic Charge–Discharge (GCD) 4 Conclusion References Polymer-Based Nanomaterial as a Bacteriostatic Agent on Gram-Positive Bacteria 1 Introduction 2 Materials and Methods 3 Results and Discussion 3.1 UV Analysis 3.2 Luminescence Analysis 3.3 Antibacterial Analysis 4 Conclusion References Nanotechnology for Water Treatment and Filtration 1 Nanoparticles for Water Decontamination 1.1 Carbon Nanoparticles 1.2 Graphene Nanoparticles 2 Metallic Nanoparticles 2.1 Nickel Oxide Nanoparticles 2.2 Ferrous Nanoparticles References Evaluation of Treatment Performance and Development of Aerobic Granular Sludge in A/O/A Mode Sequencing Batch Reactor Fed with Sewage 1 Introduction 2 Materials and Methods 3 Results and Discussion 4 Conclusions References First and Second Law Analyses of an Organic Rankine Cycle to Recover the Waste Heat from the Solar-Operated Combined Cycle Power Plants with Grid 1 Introduction 2 System Description of a Proposed Cycle 3 Thermodynamic Modelling for a Combined Power Cycle 4 Results and Discussion 5 Conclusions References Nanotechnological Advancements in Sports Rehabilitation to Elevate Athletic Performance Levels 1 Introduction 2 Methodology 3 Results and Discussion 4 Conclusion References An Electrochemical Ascorbic Acid Sensor Constructed by Ferrocene Palladium Nanoparticles Modified Graphite 1 Introduction 2 Materials and Methods 2.1 Materials 2.2 Synthesis 3 Electrochemical study and Characterization- 3.1 EIS Measurement 4 Conclusion References Bimetallic Heterogeneous Catalysis for Oxygen Evaluation Reaction with Varying Concentrations of Silica 1 Introduction 2 Materials and Synthesis 2.1 Synthesis of Co-NTA 2.2 Synthesis of Co@NC 2.3 Synthesis of Co@Pdnps 3 Results and Discussion 4 Conclusion References Rational Designing of Ni-Ag/C Bimetallic Nanoparticles 1 Introduction 2 Materials and Methods 2.1 Synthesis of Ni-Ag/C Bimetallic Nanoparticles 2.2 Characterization of the Catalyst 2.3 Catalytic Activity Toward Chan-Lam Coupling 3 Results and Discussion 3.1 Characterization of Ni-Ag/C 3.2 Chan-Lam Coupling Reaction 3.3 Characterization of N-phenyl Benzamide 4 Conclusion References Fabrication of Two-Dimensional MoS2 Thin Film Using Chemical Vapor Deposition (CVD) for Gas Sensing Application 1 Introduction 2 Experimental Details 2.1 Materials and Methodology 2.2 Characterizations 3 Results and Discussion 3.1 Gas Sensing Performance 4 Conclusion References Performance Evaluation of CNT FET with High-K Dielectric 1 Introduction 2 Device Structure and Simulation Methodology 3 Results and Discussion 4 Conclusion References Employing Temperature-Dependent Photoluminescence of Tin Oxide (SnO2) Nanostructures for Designing of Efficient Light-Emitting Diodes 1 Introduction 2 Materials and Methods 2.1 Materials Used 2.2 Fabrication of SnO2 Nanoflower Structures Using a Hydrothermal Approach 3 Results and Discussion 3.1 Scanning Electron Microscopy (SEM) Analysis 3.2 X-Ray Diffraction (XRD) Analysis 3.3 Absorption-Based Characterization and Evaluation of Bandgap of Prepared SnO2 Nanoflower Structures 3.4 Temperature Varied Photoluminescence Measurements and Commission International de I'Eclairage (CIE) Chromaticity Diagram 4 Conclusion References Improvement of Thermal Resistivity of Brick/AAC Block Wall Using Air Encapsulated Clay Tile 1 Introduction 2 Materials and Methods 2.1 Materials 2.2 Methods 3 Results and Discussion 4 Conclusion 5 Declaration of Interest Statement References Structural and Electrochemical Characterizations of Sodium Doped Bimetallic Layered Nanocomposite for Sodium-Ion Capacitors 1 Introduction 2 Materials and Methods 3 Results and Discussion 4 Conclusion References Dynamics of Double Nitrogen-Vacancy Centre in a Photonic Crystal Nanocavity: Optical Bistability and Four-Wave Mixing 1 Introduction 2 Theoretical Framework 3 Heisenberg–Langevin Equations (QL) 4 Bistability 5 Four-Wave Mixing References Exploitation of Carica papaya Seeds for the Fabrication of Titanium Dioxide Nanoparticles and Determination of Their Antibacterial and Antidiabetic Potential 1 Introduction 2 Materials and Methods 3 Results and Discussion 3.1 Antibacterial Activity 3.2 Antidiabetic Activity 4 Conclusion References Development of a Nanocarrier for Plant-Derived Drug 1 Introduction 2 Materials and Methods 2.1 Chemicals Required 2.2 Sample Preparation 3 Results and Discussion 3.1 Characterization 3.2 Encapsulation Efficiency 3.3 Biological Assays 4 Conclusion References Recombination Analysis of CH3NH3PbI3 Perovskite Solar Cell for Optimized Device Structure 1 Introduction 2 Device Structure and Band Diagram 3 Simulation Details 4 Results and Discussion 4.1 Optimization of Layers Thicknesses 4.2 Optimization of Transport Layers Doping Levels 4.3 Effect of Recombination 5 Conclusion References Comparative Analysis on Crystallographic Presentation of WS2 Polymorphs by VESTA Software 1 Introduction 2 Electronic and Structural Visualization 3 Results and Discussion 3.1 Structural Models of m-WS2 and h-WS2 4 Conclusion References Titanium Dioxide Nanofillers Incorporated Glass Ionomer Cement with Carboxymethyl Chitosan for Superior Mechanical Properties 1 Introduction 2 Materials and Methods 2.1 Materials 2.2 Characterization 3 Results and Discussion 4 Conclusion References Synthesis of Curcumin Loaded Mesoporous Silica Nanoparticles for Anti-cancer Drug Delivery 1 Introduction 2 Materials and Methodology 2.1 Reagents 2.2 Synthesis of FA Conjugated MSNs 3 Results and Discussion 4 Conclusion References Role of Grain Boundaries Governing the Giant Dielectric Constant in Bulk SnO2 1 Introduction 2 Materials and Methods 3 Results and Discussion 4 Conclusion References Removal of Cationic and Anionic Dyes from Aqueous Phase by Biosynthesized Nickel Nanoparticles 1 Introduction 2 Materials and Methods 2.1 Preparing Biosynthesized Nickel Nanoparticles (BNPs) 2.2 Evaluation of MO and BG Dye Removal 3 Results and Discussion 3.1 Characterization of BNPs 3.2 Batch Experiment 4 Conclusion References Comparative Performance Analysis of Lead-Free Perovskite Solar Cell with Different Electron Transport Layer 1 Introduction 2 Device Structure and Simulation Method 2.1 Device Structure 2.2 Simulation Method 3 Results and Discussions 3.1 Different ETL Materials 3.2 Thickness Optimization of Absorber Layer 3.3 Doping Optimization of Absorber Layer 4 Conclusions References Printed Carbon Film-Based Self-Powered Triboelectric Nanogenerator as Flexible Tactile Sensor 1 Introduction 2 Experimental Section 2.1 Fabrication of Ecoflex Friction Layer 2.2 Fabrication of Activated Carbon Electrode and Single Electrode TENG Device for Tactile Sensing 3 Results and Discussions 4 Conclusion References Heterogeneous Oxidation of Alcohols Catalyzed by Titania-Supported Palladium Nanoparticles in Aqueous Micellar Solution 1 Introduction 2 Materials and Methods 2.1 Synthesis of Catalyst 2.2 Oxidation of Alcohol 3 Results and Discussion 4 Conclusion References Application of Salts, Alkalis, and Nanoparticles for Reducing Adsorption Loss of Anionic Surfactant for the Application in Enhanced Oil Recovery (EOR) 1 Introduction 2 Material Required 3 Result and Discussion 3.1 Studies on Adsorption 3.2 Effect of Salinity on Surfactant Adsorption 3.3 Effect of Alkali on Surfactant Adsorption 3.4 Effect of Nanoparticle on Surfactant Adsorption 4 Conclusions References Cost Optimization of a Hybrid Stand-Alone Renewable Energy System for Remotely Located Areas 1 Introduction 2 About the Study Location 3 Resource Assessment 3.1 Solar PV System 3.2 Wind Energy System 3.3 Biogas System (Bio-Gen) 3.4 Battery Storage System 4 Converter 5 System Simulation and Optimization 6 Results and Discussion 6.1 Optimization Result 6.2 Evaluation of Electrical Load 6.3 Cost Assessment 6.4 Biogas System 6.5 Battery Storage System 6.6 Converter System 7 Conclusions References Preparation and Energy Storage Assessment of Ti3C2 2d MXene and Its Possible Thinning Mechanism 1 Introduction 2 Experimental 2.1 Materials 2.2 Methodology 2.3 Fabrication of Electrode Assembly for Ultracapacitor Studies 3 Results and Discussion 3.1 FTIR 3.2 XRD 3.3 UV–Visible Spectroscopic Interface 3.4 FESEM and EDS 4 Microwave Exfoliation 5 Electrochemical Application 5.1 Electrochemical Performance 6 Conclusion References Photocatalytic Approach of Camellia sinensis Extract-Mediated Green-Synthesized Magnesium Oxide Nanoparticles 1 Introduction 2 Materials and Methods 2.1 Preparations of Camellia sinensis (Tea) Extract 2.2 Synthesis of MgO Nanoparticles 2.3 Photocatalytic Studies 3 Results and Discussion 3.1 Powder XRD Patterns 3.2 UV–Visible Spectroscopy 3.3 Fourier Transform Infrared Analysis (FTIR) 3.4 Photocatalytic Studies 4 Conclusions References IV Characteristics and Subthreshold Slope Analysis of Si and SiGe-Based Dual-Gate MOSFET 1 Introduction 2 Device Structure 3 Simulation 4 Results and Discussion 4.1 Input Characteristics 4.2 Output Characteristics 4.3 Subthreshold Slope Analysis 5 Conclusion References Structural and Sensing Properties of Sb2O3-Doped Tin Oxide Thick Film Gas Sensor 1 Introduction 2 Materials and Methods 2.1 Characterization 2.2 Sensing Measurement Set-Up 3 Results and Discussions 3.1 X-Ray Diffraction (XRD) 3.2 Gas Sensing Behavior and Mechanism 4 Conclusion References Synthesis and Characterization of Highly Luminescent and Stable Cesium Lead Halide Perovskite Nanocrystals for Optoelectronic Applications 1 Introduction 2 Materials and Methods 2.1 Materials 2.2 Synthesis of CsPbI2Br Perovskite Nanocrystals (PNCs) 2.3 Characterization 3 Results and Discussions 4 Conclusion References Facile Synthesis of Lead-Free Mixed Halide Double Perovskite Cs2AgBiX6 (X = Br, I) Nanocrystals (NCs) for Photovoltaics Applications 1 Introduction 2 Materials and Methods 2.1 Materials 2.2 Facile Synthesis of Mixed Halide Double Perovskite Nanocrystals (DPNCs) 2.3 Characterization 3 Results and Discussion 4 Conclusion References Integrating Energy Devices for Wearable Electronics 1 Introduction 2 Photosupercapacitor Components 3 Conclusions References Enhanced Performance of Nanostructured WSe2 as an Electrode Material for Supercapacitor 1 Introduction 2 Materials, Methods, and Instrumentation 3 Results and Discussion 3.1 Structure and Morphology 3.2 Electrochemical Analysis 4 Conclusion References