Issue 44, 2011

Morphology-tunable architectures constructed by supramolecular assemblies of α-diimine compound: fabrication and application as multifunctional host systems

Abstract

An α-diimine compound (DC) bearing multiple hydroxyl and amine groups presents excellent self-assembly behavior, yielding DC self-assemblies with tunable morphologies ranging from solid spheres, nanotubes and capsulesviahydrogen bonds and π–π stacking interactions. These DC self-assemblies provide promising multifunctional hosts for varied metal species. As a typical example, Au nanoparticles are in situ generated and accommodated into both solid and hollow DC self-assemblies by one-pot and two-step fabrication processes, respectively, resulting in the formation of solid and hollow DC/Au hybrid nanostructures. Both solid and hollow DC self-assemblies also enable host Ni(II) ions to generate DC/Ni(II) catalysts for the efficient production of porous polyethylene (PE) beads consisting of numerous PE microspheres. Moreover, the yielded PE beads replicate the textural morphologies of the original DC/Ni(II) catalysts. These DC self-assemblies also might be further utilized to host varied metal species to fabricate versatile DC/metal nanoparticle (Ag, Pt, Pd, etc.) hybrids and porous polyolefin beads with desired morphologies.

Graphical abstract: Morphology-tunable architectures constructed by supramolecular assemblies of α-diimine compound: fabrication and application as multifunctional host systems

Supplementary files

Article information

Article type
Paper
Submitted
04 Jul 2011
Accepted
02 Sep 2011
First published
12 Oct 2011

J. Mater. Chem., 2011,21, 17938-17945

Morphology-tunable architectures constructed by supramolecular assemblies of α-diimine compound: fabrication and application as multifunctional host systems

H. Li, B. K. Bahuleyan, R. P. Johnson, Y. A. Shchipunov, H. Suh, C. Ha and I. Kim, J. Mater. Chem., 2011, 21, 17938 DOI: 10.1039/C1JM13081A

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