传感材料与传感技术丛书 化学传感器：仿真与建模 第4卷 光学传感器 上：影印版2025|PDF|Epub|mobi|kindle电子书版本百度云盘下载

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1 ATOMISTIC SIMULATION OF HIERARCHICAL NANOSTRUCTURED MATERIALS FOR OPTICAL CHEMICAL SENSING1

A．Bagaturgants1

M．Alfimov1

1 Introduction1

2 Hierarchical Nanomaterials:Construction and Organization Principles;Materials Construction by the Bottom-Up Principle3

2.1 Hierarchical Nanomaterials for Nanophotonics and Their Sensing Potentialities3

2.2 Space-Time Scale Hierarchy and the Structure of Nanomaterials for Nanophotonics5

2.3 Structure of Nanomaterials for Optical Chemical Sensors:From a Molecule to a Supramolecular Center,Nanoparticle,and Nanomaterial6

3 Hierarchy of Atomistic Simulation Methods Corresponding to Scale Hierarchy8

4 Atomistic Multiscale Simulation of Hierarchical Nanomaterials for Optical Chemical Sensors:Step by Step10

4.1 Supramolecular Level:Calculations of Molecular Interactions between Gas-Phase Analyte Molecules and Simple Substrate Models10

4.2 Supramolecular Level:DFT Calculations of the 9-Diphenylaminoacridine(9-DPAA)Fluorescent Indicator and Its Interactions with Analyte Molecules12

4.3 Multiscale Level:MD/DFT Slab Modeling of the Adsorption of Simple Organic and Inorganic Molecules on an Amorphous Silica Surface17

4.4 Multiscale Level:MD/DFT Cluster Modeling of a 9-DPAA/Silica RC and Its Interaction with Small Analyte Molecules20

4.5 Multiscale Level:MD/DFT Cluster Modeling of the Effect of Analyte Molecules on the Absorption and Fluorescence Spectra of a 9-DPAA/Silica RC23

4.6 Multiscale Level:Modeling the Structure and Spectra of an RC Based on the Nile Red Dye Adsorbed on the Surface of Polystyrene26

5 Prospects and Outlook30

Acknowledgments30

References31

2 SELF-ASSEMBLING AND MODELING OF SENSING LAYERS:PHOTONIC CRYSTALS39

S．Belousov39

I．Polishchuk39

B．Potapkin39

1 Introduction39

2 Photonic Crystals41

3 Methods of Modeling Spontaneous Emission Modification42

3.1 Correspondence Principle43

3.2 Dipole Near a Surface43

3.3 Modeling the Modification of Spontaneous Emission Based on the Finite-Difference Time-Domain Method52

4 Conclusion64

References65

3 OPTICAL SENSING BY METAL OXIDE NANOSTRUCTURES:PHENOMENOLOGY AND BASIC PROPERTIES71

S．Lettieri71

1 Introduction71

2 Optochemical Sensing by Oxide Materials:Methods Not Based on Photoluminescence74

2.1 Approaches to Optical Sensing74

2.2 Oxide-Based Optochemical Sensing Using Absorbance Responses75

2.3 Oxide-Based Optochemical Sensing Using Refractive Responses80

3 Photoluminescence-Based Optochemical Sensing by Semiconducting Materials:Models85

3.1 Basic Principles of Photoluminescence86

3.2 Main Processes Contributing to Photoluminescence88

3.3 Models for Gas-Induced Photoluminescence Quenching91

3.4 Practical Issues in Analysis and Interpretation of PL Quenching Data97

4 Photoluminescence-Based Optochemical Sensing by Oxide Nanocrystals and Nanostructures:Results and Interpretations101

4.1 Why Nanostructures?The Roles of Crystal Order and Size102

4.2 Zinc Oxide Nanostructures105

4.3 Silica Nanostructures111

4.4 Tin Dioxide Nanostructures116

5 Conclusions130

Acknowledgments132

References132

4 SIMULATION AND MODELING OF HYDROGEN LEAK SENSORS BASED ON OPTICAL FIBER GRATINGS141

C．Caucheteur141

M．Debliquy141

G．Ravet141

D．Lahem141

P．Megret141

1 Introduction141

2 Fundamentals of Fiber Gratings144

3 Hydrogen Leak Sensor in Nitrogen Environment Using FBG Covered by Palladium147

3.1 Axial Strain Effect149

3.2 Temperature Effect151

4 Hydrogen Leak Sensor in Air Environment Using FBG Covered by Tungsten Oxide Doped with Platinum151

4.1 Reaction on the Fiber153

4.2 Convection Losses157

4.3 Radiation Losses158

4.4 Conduction Losses Along the Axis of the Fiber159

4.5 Sum of the Various Contributions159

4.6 Simulation Results160

5 Conclusions163

References163

5 SIMULATION AND MODELING OF SURFACE PLASMON RESONANCE-BASED FIBER OPTICAL SENSORS165

Banshi D.Gupta165

Rajan Jha165

l Introduction and Historical Background of Surface Plasmons165

2 Excitation of Surface Plasmons and Coupling Techniques169

2.1 Prism Coupling169

2.2 Waveguide Coupling171

2.3 Grating Coupling172

3 N-Layer Model for Different Configurations172

3.1 Prism-Based Angular Interrogation172

3.2 Fiber-Based Wavelength Interrogation174

4 Sensing Principle of SPR:Performance Parameters178

5 Fiber Optic SPR Sensors180

5.1 Fiber Core180

5.2 Metal Layer181

5.3 Sensing Medium181

6 Evolution of Fiber Optic SPR Sensors181

7 Other Probes:Sensitivity Enhancement182

7.1 Doped Optical Fiber Probe182

7.2 Tapered Optical Fiber Probe184

7.3 U-Shaped Optical Fiber Probe188

7.4 Long-Range Surface Plasmon Resonance189

8 Summary191

Acknowledgment191

References191

6 FIBER OPTIC SENSOR OPERATING IN A MICROFLUIDIC DEVICE:A FINITE-ELEMENT ANALYSIS197

G．Louarn197

M．Kanso197

T．Makiabadi197

1 Introductjon197

2 Theory—Governing Equations200

2.1 General Considerations200

2.2 Navier-Stokes Equations201

2.3 Laminar Flow between Fixed Parallel Plates203

2.4 Diffusion-Advection Equations in a Microfluidic Channel204

2.5 Biochemical Reaction and Langmuir Adsorption Model206

2.6 Surface Plasmon Resonance Absorption209

3 Finite-Element Modeling212

4 Quantification of the Reaction by SPR214

5 Experimental Procedure216

6 Numerical Results217

7 Conclusion223

References224

INDEX489