Functionalized surfaces and surface functionalization of nanomaterials [Elektronische Ressource] / von Muhammad Nawaz Tahir

André Raminhos

Informations

• Publié par: johannes_gutenberg-universitat_mainz
• Publié le: 01 janvier 2006
• Nombre de lectures: 70
• Langue: English
• Poids de l'ouvrage: 9 Mo

Extrait

Functionalized Surfaces and Surface Functionalization of
Nanomaterials






Dissertation

Zur Erlangung des Grades
“Doktor der Naturwissenschaften”
am Fachbereich Chemie, Pharmazie und Geowissenschaften
der Johannes-Gutenberg-Universität in Mainz








von M.Sc. M.Phil. Muhammad Nawaz Tahir

geboren am 2. April 1976 in Jhang, Pakistan

Mainz 2006


I TABLE OF CONTENTS

1. Introduction ..................................................................................................... 1
1.1. Biosynthesis of nanomaterials.................................................................................... 3
1.2. Synthesis of semiconductor metal oxides nanomaterials using silicatein .............. 6
1.3. Surface functionalization of nanoparticles............................................................. 10
1.4. References.................................................................................................................. 15
2. Monitoring the Formation of Biosilica Catalyzed by Histidin-Tagged
Silicatein ........................................................................................................ 19
2.1. Introduction...............................................................................................................19
2.2. Results and discussion .............................................................................................. 20
2.3. Conclusion .................................................................................................................24
2.4. Experimental ............................................................................................................. 25
2.5. References.................................................................................................................. 29
3. Formation of Layered Titania and Zirconia Catalyzed by Surface-Bound
Silicatein ........................................................................................................ 30
3.1. Introduction...............................................................................................................30
3.2. Results and discussion .............................................................................................. 32
3.3. Conclusion .................................................................................................................37
3.4. Experimental ............................................................................................................. 38
3.5. References.................................................................................................................. 41
4. Controlling Au Nanocrystal Size and Shape by Chiral Induction Using
Wildtype and Recombinant Silicatein from Suberites domuncula.......... 43
4.1. Introduction...............................................................................................................43
II 4.2. Results and discussion .............................................................................................. 44
4.3. Conclusion .................................................................................................................53
4.4. Experimental ............................................................................................................. 54
4.5. References.................................................................................................................. 55
5. Facile Synthesis and Characterization of Functionalized, Monocrystalline
Rutile TiO Nanorods................................................................................... 58 2
5.1. Introduction...............................................................................................................58
5.2. Results and discussion .............................................................................................. 59
5.3. Conclusion .................................................................................................................66
5.4. Experimental ............................................................................................................. 67
5.5. References.................................................................................................................. 68
6. Reactive Polymers, a Versatile Toolbox for the Immobilization of
Functional Molecules on TiO Nanoparticles............................................ 70 2
6.1. Introduction...............................................................................................................70
6.2. Results and discussion .............................................................................................. 72
6.3. Conclusion .................................................................................................................78
6.4. Experimental ............................................................................................................. 79
6.5. References.................................................................................................................. 81
7. From Single Molecules to Nanoscopically Structured Functional
Materials: Au Nanocrystal Growth on TiO Nanowires Controlled by 2
Surface Bound Silicatein ............................................................................. 83
7.1. Introduction...............................................................................................................83
7.2. Results and discussion .............................................................................................. 86
7.3. Conclusion .................................................................................................................93
III 7.4. Experimental ............................................................................................................. 95
7.5. References.................................................................................................................. 97
8. Overcoming the Insolubility of Molybdenum Disulfide Nanoparticles
Through a High Degree of Sidewall Functionalization Using Polymeric
Chelating Ligands ...................................................................................... 101
8.1. Introduction............................................................................................................. 101
8.2. Results and discussion ............................................................................................ 105
8.3. Conclusion ............................................................................................................... 110
8.4. Experimental ........................................................................................................... 111
8.5. References................................................................................................................ 113
9. Facile Synthesis and Characterization of Monocrystalline Cubic ZrO 2
Nanoparticles .............................................................................................. 116
9.1. Introduction............................................................................................................. 116
9.2. Results and discussion ............................................................................................ 117
9.3. Conclusion ............................................................................................................... 122
9.4. Experimental ........................................................................................................... 123
9.5. References................................................................................................................ 124
10. Mineralisation of CdS on Gold Colloids Using Metal-Organic-Inorganic
Architecture ................................................................................................ 126
10.1. Introduction 126
10.2. Results and discussion .......................................................................................... 128
10.3. Conclusion ............................................................................................................. 132
10.4. Experimental ......................................................................................................... 133
10.5. References.............................................................................................................. 134
IV 11. Summary and Conclusions....................................................................... 136
12. Methods and Instrumentation ................................................................. 140
12.1. Surface plasmon resonance spectroscopy (SPR)................................................ 140
12.2. Atomic force microscopy (AFM)......................................................................... 144
12.3. Confocal laser scanning microscopy (CLSM).................................................... 147
12.4. References.............................................................................................................. 149
13. Appendix .................................................................................................... 150
13. 1. List of figures....................................................................................................