Supramolecular Zinc Phthalocyanine−Perylene Bisimide Triad: Synthesis and Photophysical Properties
The Journal of Physical Chemistry C2007Vol. 111(44), pp. 16096–16099
Citations Over TimeTop 10% of 2007 papers
Abstract
A donor−acceptor−donor molecule, PcZn−Pim−PcZn triad, which would be applied to improve the light absorption efficiency and achieve the efficient charge-separation states for appropriately long times, was prepared by reacting 3,4,9,10-perylene-tetracarboxylic dianhydride (Pim) with tBu3(NH2)PcZn at 190 °C. The charge-separation process is anticipated to occur via the excited singlet state of the zinc phthalocyanines (1PcZn*) and perylene (1Pim*), depending on the excitation wavelength of the light used in polar and nonpolar solvents. The lifetime of the charge separated states was estimated as 20−25 ns.
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