Bimetallic Nanostructures Shape-Controlled Synthesis for Catalysis, Plasmonics, and Sensing Applications

Systematically summarizes the current status and recent advances in bimetallic structures, their shape-controlled synthesis, properties, and applications

Intensive researches are currently being carried out on bimetallic nanostructures, focusing on a number of fundamental, physical, and chemical questions regarding their synthesis and properties. This book presents a systematic and comprehensive summary of the current status and recent advances in this field, supporting readers in the synthesis of model bimetallic nanoparticles, and the exploration and interpretation of their properties.

Bimetallic Nanostructures: Shape-Controlled Synthesis for Catalysis, Plasmonics and Sensing Applications is divided into three parts. Part 1 introduces basic chemical and physical knowledge of bimetallic structures, including fundamentals, computational models, and in situ characterization techniques. Part 2 summarizes recent developments in synthetic methods, characterization, and properties of bimetallic structures from the perspective of morphology effect, including zero-dimensional nanomaterials, one-dimensional nanomaterials, and two-dimensional nanomaterials. Part 3 discusses applications in electrocatalysis, heterogeneous catalysis, plasmonics and sensing.

• Comprehensive reference for an important multidisciplinary research field
• Thoroughly summarizes the present state and latest developments in bimetallic structures
• Helps researchers find optimal synthetic methods and explore new phenomena in surface science and synthetic chemistry of bimetallic nanostructures

Bimetallic Nanostructures: Shape-Controlled Synthesis for Catalysis, Plasmonics and Sensing Applications is an excellent source or reference for researchers and advanced students. Academic researchers in nanoscience, nanocatalysis, and surface plasmonics, and those working in industry in areas involving nanotechnology, catalysis and optoelectronics, will find this book of interest.

Ya-Wen Zhang, PhD, is Professor and principle investigator at the College of Chemistry and Molecular Engineering, Peking University. His research interests are focused on the rational design, controllable synthesis, ordered assembly, catalytic properties and structure–function relationships of rare earth and noble metal nanostructures. He has published more than 100 papers in peer-reviewed journals and won the National Science Fund for Distinguished Young Scholars in 2010.

List of Contributors xiii

Part I Fundamentals and Structural Characterization of Shape-Controlled Bimetallic Nanostructures 1

1 Introduction of Bimetallic Nanostructures 3
Zhi�]Ping Zhang and Ya�]Wen Zhang

1.1 Metallic Nanoparticles 3

1.2 Bimetallic Nanoparticles 6

1.3 Bimetallic Nanostructures 10

1.4 Bimetallic Nanostructure�]Dependent Performance 12

1.5 Controlled Synthesis 17

1.6 Outline of This Book 18

References 19

2 Theoretical Models for Bimetallic Surfaces and Nanoalloys 23
Hong Jiang

2.1 Introduction 23

2.2 Theoretical Approaches to Inter�]Atomic Interactions 24

2.3 Global Optimization Methods 33

2.4 Statistical Approaches 35

2.5 Electronic Properties and Catalytic Activity of Bimetallic Systems 41

2.6 Computational Design of Bimetallic Heterogeneous Catalysts 44

2.7 Concluding Remarks 50

2.8 Acknowledgments 51

2.9 References 51

3 In situ Characterization Techniques of Bimetallics 61
Rui Si

3.1 Introduction 61

3.2 Electron Microscopy 62

3.3 Infrared Spectroscopy 72

3.4 X�]Ray Absorption Fine Structure 79

3.5 Conclusions and Outlook 91

3.6 References 92

Part II Synthesis, Characterization, and Properties of Shape-Controlled Bimetallic Nanostructures 97

4 Bimetallic Nanopolyhedrons and Nanospheres 99
Lin�]Xiu Dai and Ya�]Wen Zhang

4.1 Introduction 99

4.2 Architecture of Bimetallic Nanospheres and Nanopolyhedrons 100

4.3 General Principles of Shape Evolution 103

4.4 Key Factors for Shape Evolution in Colloidal Synthesis 108

4.5 Synthetic Approaches to Bimetallic Nanospheres and Nanopolyhedrons 113

4.6 Catalytic Properties of Bimetallic Nanospheres and Nanopolyhedrons 118

4.7 Conclusions and Outlook 124

4.8 References 125

5 Bimetallic Convex and Concave Nanostructures 133
Shaojie Jiang, Yiliang Luan, Xiaokun Fan, Zewei Quan, and Jiye Fang

5.1 Introduction 133

5.2 Synthetic Methods 134

5.3 Structural Characterization 149

5.4 Selected Properties 152

5.5 Conclusions 166

5.6 References 166

6 Bimetallic Nanoframes and Nanoporous Structures 172
Hongliang Li, An Zhang, Zhicheng Fang, and Jie Zeng

6.1 Introduction 172

6.2 Principles for the Formation of Bimetallic Nanoframes and Nanoporous Structures 173

6.3 Synthetic Methods 178

6.4 Summary and Outlook 223

6.5 References 225

7 Bimetallic Dendritic Nanostructures 247
Kun Yuan and Ya�]Wen Zhang

7.1 Introduction 247

7.2 Synthesis of Bimetallic Dendritic Nanostructures 248

7.3 Properties and Applications of Bimetallic Dendritic Nanostructures 258

7.4 Conclusion and Outlook 265

7.5 References 265

8 Bimetallic Ultrathin Nanowires 271
Junrui Li, Zheng Xi, and Shouheng Sun

8.1 Introduction 271

8.2 Chemical Synthesis of Ultrathin Bimetallic Nanowires 273

8.3 Chemical Synthesis of Ultrathin Bimetallic Nanowires 276

8.4 Concluding Remarks 284

8.5 References 286

9 Bimetallic Nanoplates and Nanosheets 293
Bing Dong, Ziyu Yang, and Yanglong Hou

9.1 Introduction 293

9.2 Synthesis of Bimetallic Nanoplates and Nanosheets 294

9.3 Properties and Applications of Bimetallic Nanoplates and Nanosheets 304

9.4 Conclusions and Perspectives 307

9.5 References 309

Part III Applications of Shape-Controlled Bimetallic Nanostructures 315

10 Electrocatalysis 317
Jiwhan Kim, Juhyuk Choi, Jinkyu Lim, and Hyunjoo Lee

10.1 Introduction 317

10.2 Effect of Bimetallic Nanostructures 318

10.3 Characterization Techniques 322

10.4 Electrocatalytic Reactions Using Bimetallic Nanostructures 327

10.5 Perspective 340

10.6 Conclusion 342

10.7 Acknowledgments 343

10.8 References 343

11 Heterogeneous Catalysis 360
Yuchen Pei and Wenyu Huang

11.1 Introduction 360

11.2 Oxidation 361

11.3 Hydrogenation/Dehydrogenation 376

11.4 H2 Evolution Reaction 399

11.5 Coupling Reactions 403

11.6 Conclusion 410

11.7 Acknowledgments 410

11.8 References 410

12 Plasmonics 425
Liang Zhou, Tian Zhao, Xiao�]Yong Wang, Ling�]Dong Sun, and Chun�]Hua Yan

12.1 Introduction to Plasmonics 425

12.2 Preparation of Gold Nanoparticles 428

12.3 Assembly of Gold Nanoparticles 431

12.4 Plasmonics of Bimetallic Nanocrystals 434

12.5 Application of Plasmonic Nanostructures 444

12.6 Concluding Remarks 447

12.7 References 448

13 Sensing 459
Haijuan Li and Yongdong Jin

13.1 Plasmonic Sensors 460

13.2 Bimetallic Sensors Based on Surface�]Enhanced Raman Spectroscopy 470

13.3 Electrochemical Sensors Based on Bimetallic Nanoparticles 473

13.4 Sensors Based on the Enzyme�]Mimicking Properties of Bimetallic NPs 482

13.5 Sensors Based on Luminescent Bimetallic Nanoclusters 484

13.6 Conclusions 489

13.7 Acknowledgments 489

13.8 References 489

Index 499

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