Self-cleaning materials and surfaces : a nanotechnology approach: Fid-Bau Portal

Self-cleaning materials and surfaces : a nanotechnology approach

Daoud, Walid A.

1.2.3 Nature's Answers1.2.4 Superhydrophilic Self-Cleaning Surfaces; 1.2.5 Functional Properties of Superhydrophobic Surfaces; 1.3 Materials and Fabrication; 1.4 Future Perspectives; References; PART II APPLICATIONS OF SELF-CLEANING SURFACES; 2 Recent Development on Self-Cleaning Cementitious Coatings; 2.1 Introduction; 2.2 Atmospheric Pollution: Substances and Laws; 2.2.1 Nitrogen Oxides; 2.2.2 Particulate Matter; 2.2.3 Volatile Organic Compounds; 2.3 Heterogeneous Photocatalysis; 2.4 Self-Cleaning Surfaces; 2.4.1 Mechanisms of Photo-Reduction of Air Pollutants.

2.4.2 Some Experimental Evidences2.5 Main Applications; 2.6 Test Methods; 2.6.1 Colour; 2.6.2 Photocatalytic Degradation of Nitrogen Oxides; 2.6.3 Photocatalytic Degradation of Micro-Pollutants in Air; 2.6.4 Photocatalytic Degradation of Rhodamine B; 2.6.5 Spectroscopic Techniques; 2.7 Future Developments; References; 3 Recent Progress on Self-Cleaning Glasses and Integration with Other Functions; 3.1 Introduction; 3.2 Theoretical Fundamentals for Self-Cleaning Glasses; 3.2.1 Wettability; 3.2.2 Photoinduced Hydrophilicity; 3.2.3 Heterogeneous Photocatalysis.

3.3 Self-Cleaning Glasses Based on Photocatalysis and Photoinduced Hydrophilicity3.3.1 Self-Cleaning Glasses with Pores; 3.3.2 Doping to Realize Visible-Light-Induced Self-Cleaning Glasses; 3.3.3 The Use of Hole Transfer to Realize Self-Cleaning; 3.3.4 The Effect of Temperature and Atmosphere on the Photoinduced Hydrophilicity; 3.3.5 The Effect of Soda Ions on the Properties of Self-Cleaning Glasses; 3.3.6 The Anti-Bacterial Effect and Anti-Fogging Effect; 3.3.7 The Composite SiO2 Films for Self-Cleaning Glasses with High Antireflection; 3.4 Inorganic Hydrophobic Self-Cleaning Glasses.

3.4.1 Modifying The TiO2 Film by Low-Electronegativity Elements3.4.2 The Application of ZnO Material in a Superhydrophobic Material; 3.5 Self-Cleaning Glasses Modified by Organic Molecules; 3.6 The Functionality of Self-Cleaning Glasses; References; 4 Self-Cleaning Surface of Clay Roofing Tiles; 4.1 Clay Roofing Tiles and Their Deterioration Phenomena; 4.1.1 Raw Material Composition and Firing Process; 4.1.2 Surface Characteristics of Clay Roofing Tiles; 4.1.3 Frost, Chemical and Biocorrosion Deterioration of Clay Roofing Tiles.

Self-Cleaning Materials and Surfaces: A Nanotechnology Approach; Contents; List of Contributors; Preface; PART I CONCEPTS OF SELF-CLEANING SURFACES; 1 Superhydrophobicity and Self-Cleaning; 1.1 Superhydrophobicity; 1.1.1 Introducing Superhydrophobicity; 1.1.2 Contact Angles and Wetting; 1.1.3 Contact Angle Hysteresis; 1.1.4 The Effect of Roughness on Contact Angles; 1.1.5 Where the Equations Come From; 1.1.6 Which State Does a Drop Move Into?; 1.2 Self-Cleaning on Superhydrophobic Surfaces; 1.2.1 Mechanisms of Self-Cleaning on Superhydrophobic Surfaces; 1.2.2 Other Factors.

With increasing demand for hygienic, self-disinfecting and contamination free surfaces, interest in developing self-cleaning protective materials and surfaces has grown rapidly in recent times. This new title comprises of invited chapters from renowned researchers in the area of self-cleaning nano-coatings and the result is a comprehensive review of current research on both hydrophobic and hydrophilic (photocatalytic effect) self-cleaning materials