Polynorbornene-based Double Stranded Ladderphanes with Macrocyclic Metal Complex Linkers
Date Issued
2011
Date
2011
Author(s)
Huang, Hsin-Hua
Abstract
Abstract
Double stranded polybisnorbornene-based ladderphanes having multilayer planar macrocyclic metallic linkers are synthesized. The metals can be Ni and Pd. Structural proof is based mainly by spectroscopic resonance.
In the absorption specific, both MLCT and LMCT are showed at lamda = 588 nm and lamda = 392 nm for nickel, lamda = 502 nm and lamda = 414 nm for palladium complexes. There is essentially no change in lamdamax for monomer and the corresponding polymers ladderphanes.
Cyclic voltammetry measurements show that polymers exhibits at slightly lower oxidation potential than that of the corresponding monomers.
STM of the Ni-containing polymeric ladderphanes suggests that these polymer, like other analogous, tend to aggregate in an ordered manner on graphite surface.
TGA studies indicates that theses polymers are thermally stability until 300 ℃.
Subjects
Ladderphanes
Double Stranded
Macrocyclic Metal Complex
Polynorbornene
Type
thesis
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