Hybrid organometallic-inorganic materials: self-assembly and nanoscience applications
Start date: Aug 1, 2007,
End date: Jul 31, 2009
Based on the work so far an exciting new area would involve PFS-b-PP (PP = polyphosphazene) block copolymers. These materials would possess a highly tuneable inorganic PP coblock, which is superficially reminiscent of PDMS. However, the PP block is inherently much more tuneable allowing hydrophobic /hydrophilic or crystalline / amorphous or high Tg / low Tg substituents to be attached at will due to the substitutive mode of synthesis form chlorinated PPs. This tunability, which far exceeds the that with polysil oxane blocks, will allow us to gain deep insight into the factors that facilitate self-assembly of block copolymers in solution and will also allow us to access stabilized nanomaterials for example by introducing cross-linking groups. The iron present in the PFS blocks will also help characterization as no staining agents are needed to visualize the PFS blocks using transmission electron microscopy.
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