Abstract
Dendrons of pyrene derivatives were attached to a porphyrin core. A marked effect in solution for the dendrimers was observed in the absorption spectra. All the compounds obtained were characterized by 1H-, 13C-NMR, FTIR, UV-vis, MALDI-TOF or FAB+ mass spectrometry and elemental analysis. The cubic nonlinear optical behavior of some the synthesized compounds was tested via Z-Scan measurements in spin-coated film samples.
Highlights
Dendrimers are highly branched polymers with a well defined structure, uniform size and molecular weight [1,2,3,4,5,6,7,8]
Molecules 2011, 16 is possible to control the dendrimer’s size and structure, and at the same time introduce different kinds of functional groups into their terminal groups or core, numerous applications for these molecules have been found in different fields such as catalysis [19,20,21,22], biomedicine, energy or charge-transfer systems [23,24,25,26,27], sensors [28], charge transfer of light-emitting layer in organic light emitting diodes (OLEDs) [29,30,31], etc
In the present work we report the synthesis of two generations of dendrimers with molecules of pyrene on the periphery and a tetraphenylporphyrin core
Summary
Dendrimers are highly branched polymers with a well defined structure, uniform size and molecular weight [1,2,3,4,5,6,7,8] They are composed by a multifunctional central core to which dendritic branches are connected [9,10,11,12,13]. In the present work we report the synthesis of two generations of dendrimers with molecules of pyrene on the periphery and a tetraphenylporphyrin core
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