What is it about?
A 3D supramolecular polymer based on calix[5]arene tethered poly- (p-phenyleneethynylene) with a complementary porphyrin endowed with alkanediyldiammonium functions is prepared in solution but collapses when transferred to a chemically inert solid matrix forming a dispersion of de-phasing porphyrin aggregates. We found that a short thermal shock induces the de-aggregation of the porphyrin aggregates, and a partial restoration of the original 3D-supramolecular architecture.
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Why is it important?
the present results pave the way to develop a new class of supramolecular-based composite materials, forcing the system in apparently counterintuitive directions according to the detailed balance of thermodynamic vs. kinetic driving forces.
Perspectives
the present results pave the way to develop a new class of supramolecular-based composite materials, forcing the system in apparently counterintuitive directions according to the detailed balance of thermodynamic vs. kinetic driving forces.
Dr Giuseppe Trusso Sfrazzetto
University of Catania
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This page is a summary of: The memory-driven order–disorder transition of a 3D-supramolecular architecture based on calix[5]arene and porphyrin derivatives, Chemical Communications, January 2016, Royal Society of Chemistry,
DOI: 10.1039/c6cc06675e.
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