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Waveguiding properties of perylene microcrystals synthesized by retarding the growth along the π-stack direction
Dorothy K Jones1, Che-Hsuan Cheng, Zidong Li
1Department of Chemistry and Institute for Soft Matter Synthesis and Metrology, Georgetown University, 3700 Ost NW, Washington, D.C. 20057, USA. ng554@georgetown.edu.
Abstract:
Selective, hard to realize growth retardation of the π-stacking direction over the edge-packing direction has been achieved in perylene microcrystals using an aryl amphiphile. The perylene microcrystals grow predominantly along the edge-packing direction resulting in novel and hitherto unknown perylene square rods. The rods show exciton-polariton waveguiding along the rod axis even though it corresponds to pure edge-packing of the molecules, which is unprecedented in organic microcrystals.
