Controlled Self-Assembly of Low-Dimensional Alq3 Nanostructures from 1D Nanowires to 2D Plates via Intermolecular Interactions
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Due to the intense influence of the shape and size of the photon building blocks on the limitation and guidance of optical waves, an important strategy is the fabrication of different structures. Herein, organic semiconductor tris-(8-hydroxyquinoline)aluminium (Alq3) nanostructures with controllable morphology, ranging from one-dimensional nanowires to two-dimensional plates, have been prepared through altering intermolecular interactions with employing the anti-solvent diffusion cooperate with solvent-volatilization induced self-assembly method. The morphologies of the formed nanostructures, which are closely related to the stacking modes of the molecules, can be exactly controlled by altering the polarity of anti-solvents that can influence various intermolecular interactions. The synthesis strategy reported here can potentially be extended to other functional organic nanomaterials.
KeywordsMolecular self-assembly Organic 1D nanowires 2D plates Intermolecular interactions Nanocrystalline materials
This work was supported by National Natural Science Foundation of China (No. 21403189), Natural Science Foundation of Hebei Province (B2017203198), China Postdoctoral Science Foundation (No. 2014M551047) and Yanshan University Doctoral Foundation (No. B790).
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