Tài liệu Nghiên cứu cấu trúc ngoài của vật liệu nano

Contents
1 Organic Crystalline Nanofibers
1.1 Introduction . 1
1.2 Growth of Ultrathin Films: Molecular Orientation Control . 2
1.3 Needle Films on Dedicated Templates: Mutual Orientation
and Morphology Control of Nanoaggregates 6
1.3.1 Plain Mica 6
1.3.2 Au-Modified Mica . 8
1.3.3Water-Treated Mica 9
1.4 Selected Applications in Nano- and Microoptics 9
1.5 Summary and Outlook: Future Devices From Organic Nanofibers . 14
References 15
2 Titanium-Based Molecular Architectures Formed
by Self-Assembled Reactions
2.1 Introduction . 17
2.1.1 Results and Discussion . 19
2.2 Formation of Molecular Architectures . 19
2.3 Molecular Architectures Accompanied
by Radical Induced C–C Coupling Reactions . 33
2.4 Molecular Architectures Based on C–C Coupling Reactions
Initiated by C–H Bond Activation Reactions . 38
2.5 Conclusion and Future Directions 42
References 43
3 Self-Assemblies of Organic and Inorganic Materials
3.1 Introduction . 47
3.2 Structure of Colloidal Self-Assemblies Made of Surfactants
and Used as Templates 49
3.3 Production of Nanocrystals by Using Colloidal Solutions
as Templates and Their Limitations 51
3.4 Self-Organization of Nanocrystals 55
X Contents
3.5 Colloidal Nanolithography by Using Nanocrystals Organized
in a Given Structure as Masks [83] 61
3.6 Conclusion 64
References 64
4 Self-Assembled Nanoparticle Rings
4.1 Introduction . 67
4.2 Experimental Formation of Nanoparticle Rings . 68
4.2.1 Spreading of Polymer Solution on Water Surface . 68
4.2.2 HDA Pancake Structures . 69
4.2.3 CoPt3 Nanoparticle Rings 72
4.3 Model for the Formation of HDA Pancakes 74
4.3.1 Phase Separation of Binary Solution . 74
4.3.2 Rupture of Thin HDA Film into Micrometer-Size Pancakes . 78
4.4 Formation of a Nanoparticle Ring at the Edge
of an HDA Pancake . 81
4.4.1 Pinning of an HDA Micrometer-Size Pancake 81
4.4.2 Forces Acting on the Nanoparticle Located
in the Interior of Pancake . 82
4.4.3 Forces Acting on the Nanoparticle Located
at the Edge of Pancake . 84
4.5 Summary and Conclusions . 85
References 86
5 Patterns of Nanodroplets: The Belousov–Zhabotinsky-
Aerosol OT-Microemulsion System
5.1 Introduction . 89
5.2 The BZ-AOT System . 90
5.2.1 The BZ Reaction 90
5.2.2 AOT Microemulsions . 91
5.2.3 The BZ-AOT System 93
5.3 Experimental Results . 94
5.3.1 Experimental Configuration . 94
5.3.2 Turing Patterns . 95
5.3.3 Patterns Associated with a Fast-Diffusing Activator 97
5.3.4 Complex Patterns – Dashes and Segments 100
5.3.5 Localized Patterns . 101
5.4 Theoretical Considerations 103
5.5 Constructing a Model . 104
5.5.1 Linear Stability Analysis and Types of Bifurcations 106
5.5.2 Results of Numerical Simulations 108
5.6 Conclusion and Future Directions 109
References 112
Contents XI
6 Honeycomb Carbon Networks: Preparation, Structure,
and Transport
6.1 Introduction . 115
6.2 Experimental Formation of Polymer Honeycomb Structures 118
6.2.1 Spreading of One Liquid on Another . 118
6.2.2 Production of Polymer Networks . 119
6.2.3 Structural Forms of Nitrocellulose Networks . 120
6.2.4 Structural Forms of Poly(p-phenylenevinylene)
and Poly (3-octylthiophene) Networks 123
6.3 Model for the Formation of Honeycomb Structures
in Polymer Films . 125
6.3.1Water Droplet on the Fluid Polymer Layer 125
6.4 Nitrocellulose Networks as Precursor for Carbon Networks . 132
6.4.1 Temperature Dependence of Hopping Transport
in Carbon Networks 133
6.4.2 Electrical Field Dependence of Hopping Transport
in Carbon Networks 142
6.5 Summary and Conclusions . 150
References 151
7 Chemical Waves in Living Cells
7.1 Introduction . 155
7.2 Waves of Metabolic Activity . 156
7.3 Calcium Signaling Waves 160
7.4 Conclusions 164
References 166
Index 169