The lack of solubility and fusibility of PPV is a major problem for process
ing and product characterization. We succeeded in the preparation of solubl
e and meltable oligomers of all-trans-PPV. In this contribution we report a
bout the synthesis of monoheptyl substituted PV oligomers as well as their
characterization via UV-Vis, photoluminescence spectroscopy and X-ray scatt
ering diffraction.