Evidence of preferential π-stacking: a study of intermolecular and intramolecular charge transfer complexes
- 1 January 2010
- journal article
- Published by Royal Society of Chemistry (RSC) in Chemical Communications
- Vol. 46 (30), 5464-5466
- https://doi.org/10.1039/c0cc00249f
Abstract
Nine combinations of π-electron donors and acceptors were examined by UV-vis, fluorescence and 1H-NMR spectroscopy to identify π-stacked charge transfer complexes in macromolecular and supramolecular constructs. The high association constant of pyrene and naphthalene diimide suggests a preferentially π-stacking pair rationalized by frontier orbital congruence.Keywords
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