| Foreword | 5 |
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| Preface | 12 |
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| Acknowledgment | 14 |
| Contents | 15 |
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| Chapter 1 FROM HYDROCARBONS TO HYDROGEN: TOWARDS A SUSTAINABLE FUTURE | 21 |
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| 1.1 Introduction | 21 |
| 1.2 Hydrogen: A Historical Perspective | 27 |
| 1.3 Renewable Energy and Hydrogen | 30 |
| 1.4 The Energy Carriers: Hydrogen or Electricity? | 32 |
| 1.5 Hydrogen as a Chemical Fuel | 35 |
| 1.6 The Hydrogen Economy | 37 |
| 1.7 Hydrogen Production [20] | 38 |
| 1.8 Hydrogen and Transportation | 44 |
| 1.9 Environmental Effects of Hydrogen | 48 |
| 1.10 Hydrogen Storage | 48 |
| 1.11 Hydrogen Safety | 49 |
| References | 50 |
| Chapter 2 HYDROGEN GENERATION BY WATER SPLITTING | 54 |
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| 2.1 Introduction | 54 |
| 2.2 Hydrogen Production By Water Electrolysis | 54 |
| 2.3 Hydrogen Production by Thermochemical Water- Splitting | 71 |
| 2.4 Hydrogen Production By Water Biophotolysis | 86 |
| 2.5 Other Techniques for H2 production via Water Splitting | 103 |
| References | 112 |
| Chapter 3 PHOTOELECTROLYSIS | 133 |
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| 3.1 General Description of Photoelectrolysis | 133 |
| 3.3 Types of Photoelectrochemical Devices | 141 |
| 3.4 Photoelectrolysis Principles | 143 |
| 3.5 Photoelectrochemical Cell Band Model | 170 |
| 3.6 Efficiency of Water Splitting in a Photoelectrochemical Cell | 175 |
| References | 197 |
| Chapter 4 OXIDE SEMICONDUCTING MATERIALS AS PHOTOANODES | 209 |
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| 4.1 Introduction | 209 |
| 4.2 Photoanode Reaction Mechanisms | 210 |
| 4.3 General Description of Oxide Semiconductor Photoanodes | 214 |
| 4.4 Single Crystal Materials as Photoanodes | 217 |
| 4.5 Polycrystalline Photoanode Materials | 224 |
| 4.6 Thin Film Photoanode Materials | 227 |
| 4.7 Nanocrystalline and Nanoporous Thin Film Materials as Photoanodes | 237 |
| 4.8 Quantum-size Effects in Nanocrystalline Semiconductors | 249 |
| References | 260 |
| Chapter 5 OXIDE SEMICONDUCTORS: NANO- CRYSTALLINE, TUBULAR AND POROUS SYSTEMS | 274 |
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| 5.1 Introduction | 274 |
| 5.2 Synthesis of Nanotubular Oxide Semiconductors | 276 |
| 5.3 Fabrication of Titania Nanotube Arrays by Anodization | 285 |
| 5.4 Doped Titania Nanotube Arrays | 314 |
| 5.5 Material Properties | 319 |
| 5.6 Optical Properties of Titania Nanotubes Arrays | 328 |
| 5.7 Photoelectrochemical and Water Photolysis Properties | 340 |
| 5.8 Ti-Fe-O Nanotube Array Films for Solar Spectrum Water Photoelectrolysis | 355 |
| References | 370 |
| Chapter 6 OXIDE SEMICONDUCTORS: SUSPENDED NANOPARTICLE SYSTEMS | 387 |
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| 6.1 Introduction | 387 |
| 6.2 Nanoparticle-Based Photocatalytic Water Splitting | 390 |
| 6.3 Nanoparticle Synthesis Techniques | 392 |
| 6.4 Synthesis of Complex Oxide Semiconductors | 401 |
| 6.5 Design of Oxide Semiconductors | 403 |
| 6.6 Conclusions and Future Prospects | 426 |
| References | 427 |
| Chapter 7 NON- OXIDE SEMICONDUCTOR NANOSTRUCTURES | 443 |
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| 7.1 General Description of Non-Oxide Semiconductors | 443 |
| 7.2 General Synthesis Techniques of Non-Oxide Semiconductors | 449 |
| 7.3 Non-Oxide Photoelectrode Systems and Water Photoelectrolysis | 457 |
| 7.4 Non-oxide Suspended Particle Systems and Direct Water Splitting | 471 |
| 7.5 Concluding Remarks | 481 |
| References | 481 |
| Chapter 8 PHOTOVOLTAIC - ELECTROLYSIS CELLS | 500 |
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| 8.1 Introduction | 500 |
| 8.2 General Description of Solar Cell Technology | 501 |
| 8.3 PV-Electrolysis Systems for Hydrogen Production [ 1- 34,41,43,87- 92] | 514 |
| 8.4 Multi-junction PV Tandem Cells for Hydrogen Production [ 35- 39,44,45,93- 101] | 516 |
| References | 522 |
| Index | 532 |