Table Of ContentNanostructured Materials for
Visible Light Photocatalysis
Micro and Nano Technologies
Nanostructured Materials for
Visible Light Photocatalysis
Edited by
Arpan Kumar Nayak
Niroj Kumar Sahu
Elsevier
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Contents
Contributors xiii
1. Fundamentals principle of photocatalysis 1
Barkha Rani, Arpan Kumar Nayak, and Niroj Kumar Sahu
1 Introduction 1
2 Basic principle for photocatalytic reactions 2
3 Reaction pathways for photogenerated electron-hole pair 4
4 Fundamental principles based on the type of catalyst 5
5 Factors affecting the photocatalysis reaction 7
6 Strategies for enhancement of photocatalytic properties
of semiconducting materials 11
7 Conclusion 16
References 17
2. Nanomaterials aspects for photocatalysis 23
Sarika Singh and Brijesh Kumar Singh
1 Introduction to nanomaterials and photocatalysis 23
2 Mechanism of photocatalysis 25
3 Influence of different parameters on photocatalysis 26
4 Structured photocatalysts for removal of contaminants
under visible light 29
5 ZnO and its modifications 34
6 TiO - and ZnO-based heterostructure photocatalysts 36
2
7 Non-TiO - and ZnO-based new visible light-active catalysts 39
2
8 Summary 42
References 42
v
vi Contents
3. Synthesis methods of nanomaterials for visible light
photocatalysis 47
Sutripto Majumder
1 Introduction 47
2 Synthesis methods 48
3 Hybrid methods 97
4 Conclusion 102
References 102
4. Carbon-based materials for visible light photocatalysis 115
Rajashree Sahoo and Arpan Kumar Nayak
1 Introduction 115
2 Carbon-based materials 116
3 Conclusions and future scopes 127
References 128
5. Bismuth series photocatalytic materials for the treatment
of environmental pollutants 135
Arpan Kumar Nayak
1 Introduction 135
2 Bi-based nanostructured materials synthesis 137
3 Bi-based nanostructured materials for environmental
remediation 142
4 Conclusions and perspectives 146
References 146
6. Transition metal oxide-based materials for
visible-light-photocatalysis 153
S.R. Meher
1 Introduction 153
2 Different approaches for visible light photocatalysis in TMOs 153
3 Other TMOs for visible light photocatalysis 169
Contents vii
4 Unitary TMOs as visible light photocatalysts
(MnO2, Fe2O3, CuxO, WO3) 171
5 Conclusion 172
References 173
7. Chalcogenides for visible light-induced photocatalysis 185
Mohammad Mansoob Khan
1 Introduction 185
2 Classification of chalcogenides 185
3 Chemistry of metal chalcogenides 188
4 Light-active chalcogenide materials 189
5 Conclusion 193
References 194
8. Phosphides and nitrides for visible light photocatalysis 197
Rishika Chakraborty and Mukul Pradhan
1 Introduction 197
2 Semiconductor materials for photocatalysis 200
3 Phosphides and nitrides 204
4 Synthetic routes for preparation of phosphides and nitrides 207
5 Mechanistic pathway proposal 220
6 Challenges and future perspective 234
7 Conclusion 235
References 237
9. Rare earth doped nanomaterials for visible-light-driven
photocatalytic degradation of organic dyes 251
Dipti Bidwai, Niroj Kumar Sahu, and G. Swati
1 Introduction 251
2 Modifications to conventional semiconductors 253
3 Fluorescence and phosphorescence mechanism 257
Contents ix
4 Conclusion 342
References 342
13. Facet-dependent nanostructures for visible light
photocatalysis 351
Abhaya Kumar Mishra and Arpan Kumar Nayak
1 Introduction 351
2 Cuprous oxide photocatalysts 354
3 Bismuth vanadates (BiVO ) photocatalyst 365
4
4 Conclusions 368
References 368
14. Morphology-dependent visible light photocatalysis 375
Tridib Kumar Sinha
1 Introduction 375
2 General mechanism of photocatalysis 378
3 Morphology 380
4 Types of photocatalysts 390
5 Challenges in visible light photocatalysis and advantages
of hierarchical photocatalysts 395
6 Morphology-dependent visible light photocatalysis for
environmental and energy issues 396
7 Future scope 401
8 Conclusion 403
References 404
15. Green technology for environmental hazard remediation 413
Ajit Behera and Ranjan K. Mohapatra
1 What is green technology? 413
2 Principles of sustainability 414
3 Benefits from green technologies 415
4 Disadvantages of green technologies 416
