Loi, Simona: Two-dimensional structures of self-assembled alkyl substituted polyphenylene dendrimers on graphite. 2001
Inhalt
- Index
- Introduction
- 1. Fundamentals
- 1.1 Atomic Force Microscopy
- 1.2 Surface Forces
- 1.3 Operating modes
- 1.4 Imaging with the AFM
- 1.5 Dendrimers
- 2. Materials and Methods
- 2.1 Synthesis of the dendrimers
- 2.2 Sample preparation
- 2.3 Atomic Force Microscope
- 2.4 Ellipsormetry
- 3. Experiments on structure formation of alkylated dendrimers on graphite
- 3.1 Layers of TD2, 3-(C12H25)16
- 3.2 Layers of Td1,4-(C12H25)16
- 3.3 Layers of Tri2,3-(C12H25)16
- 3.4 Layers of TriN2,3-(C12H25)16
- 3.5 Layers of tetrahedral dendrimers with alkoxy chains of different lenght
- 3.6 Needle-like objects
- 4. Interpetation of structure formation
- 4.1 Classification of two-dimensional structures
- 4.2 Influence of the solution concentration
- 4.3 Thickness of the layers
- 4.4 Mobility of the dendrimers
- 4.5 Variation of the alkyl chain length
- Conclusions
- Appendix
- Bibliography
- Acknowledgements