Nanostructured Materials for Visible Light Photocatalysis /

Nanostructured Materials for Visible Light Photocatalysis /

Nanostructured Materials for Visible Light Photocatalysis describes the various methods of synthesizing different classes of nanostructured materials that are used as photocatalysts for the degradation of organic hazardous dyes under visible light irradiation. The first three chapters include a gene...

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Bibliographic Details
Other Authors: Nayak, Arpan Kumar (Editor), Sahu, Niroj Kumar (Editor)
Format: eBook
Language:English
Published: Amsterdam, Netherlands ; Oxford, United Kingdom ; Cambridge, MA : Elsevier, [2022]
Series:Micro & nano technologies.
Subjects:
Nanostructured materials > Optical properties.
Online Access:CONNECT
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Table of Contents:
  • Intro
  • Nanostructured Materials for Visible Light Photocatalysis
  • Copyright
  • Contents
  • Contributors
  • Chapter 1: Fundamentals principle of photocatalysis
  • 1. Introduction
  • 2. Basic principle for photocatalytic reactions
  • 2.1. Direct photocatalytic principle
  • 2.2. Indirect photocatalytic principle
  • 3. Reaction pathways for photogenerated electron-hole pair
  • 3.1. Pathways of PEHP within a semiconducting catalyst
  • 3.2. Charge carrier trapping
  • 4. Fundamental principles based on the type of catalyst
  • 4.1. Semiconductor-based photocatalyst
  • 4.2. Quantum dot-based photocatalyst
  • 4.3. Two-dimensional material-based photocatalyst
  • 5. Factors affecting the photocatalysis reaction
  • 5.1. Effect of quantity of catalyst
  • 5.2. Effect of wavelength and intensity of light
  • 5.3. Effect of pH
  • 5.4. Effect of the initial concentration of dye
  • 5.5. Effect of temperature
  • 5.6. Effect of additives
  • 5.7. Quantum size effects
  • 5.8. Effect of other parameters on the photoactivity of catalyst
  • 6. Strategies for enhancement of photocatalytic properties of semiconducting materials
  • 6.1. Semiconductor-semiconductor heterojunction (Sc-Sc H)
  • 6.2. Semiconductor-metal heterojunction (Sc-M H)
  • 6.3. Semiconductor-carbon heterojunction (Sc-C H)
  • 6.4. Multicomponent heterojunction (McH)
  • 7. Conclusion
  • References
  • Chapter 2: Nanomaterials aspects for photocatalysis
  • 1. Introduction to nanomaterials and photocatalysis
  • 2. Mechanism of photocatalysis
  • 3. Influence of different parameters on photocatalysis
  • 3.1. Catalyst loading
  • 3.2. Surface area and morphology
  • 3.3. Effect of pH
  • 3.4. Effect of temperature
  • 3.5. Effect of contaminants concentration
  • 3.6. Effect of calcination temperature
  • 4. Structured photocatalysts for removal of contaminants under visible light
  • 4.1. Visible light-active noble metal catalysts
  • 4.2. Structured TiO2 photocatalyst and its modifications under visible light
  • 4.3. Cation-doped semiconductor photocatalyst
  • 4.4. Anion-doped semiconductor photocatalysts
  • 4.5. Codoping semiconductor
  • 4.6. Self-doping/defect engineering
  • 5. ZnO and its modifications
  • 6. TiO2- and ZnO-based heterostructure photocatalysts
  • 7. Non-TiO2- and ZnO-based new visible light-active catalysts
  • 7.1. Ag3PO4 photocatalysts
  • 7.2. BiVO4 photocatalyst
  • 7.3. WO3 photocatalyst
  • 8. Summary
  • References
  • Chapter 3: Synthesis methods of nanomaterials for visible light photocatalysis
  • 1. Introduction
  • 2. Synthesis methods
  • 2.1. Synthesis of Nanopowders
  • 2.1.1. Precipitation method
  • 2.1.2. Coprecipitation method
  • 2.1.3. Sol-gel method
  • 2.1.4. Hydrothermal/solvothermal method
  • 2.1.5. Solid-state reactions
  • 2.1.6. Combustion reactions
  • 2.1.7. Spray pyrolysis
  • 2.1.8. Flame synthesis
  • 2.1.9. Electrospinning method
  • 2.1.10. Chemical vapor deposition
  • 2.1.11. Microwave assisted

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