Synthesis of a Novel Hollow Sphere Having Rigid Binaphthyl Macrocycle as Shell

Na Liu; Xing Wang; Hui Cao; Chun Hai Chen; Wan Jin Zhang

doi:10.4028/www.scientific.net/SSP.121-123.219

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HomeSolid State PhenomenaSolid State Phenomena Vols. 121-123Synthesis of a Novel Hollow Sphere Having Rigid...

Synthesis of a Novel Hollow Sphere Having Rigid Binaphthyl Macrocycle as Shell

Abstract:

A novel hollow sphere having rigid binaphthyl macrocycle as shell was prepared by means of sacrifice the silica core. The synthesis of hollow sphere from rigid colloidal silica particles occurs in three steps: a) modification of silica particles with vinyltriethoxysilane as coupling agent, b) immersion in the solution of monomer having rigid binaphthyl macrocycle and polymerization, and c) removal of silica particles. These macrocycles contained in the shell of hollow spheres belong to an important class of host-guest macrocyclic material in which the rigid backbone and C2 symmetry of the binaphthyl unit play an important role in complexing guest molecules. This will endow hollow sphere with new opportunities in molecular recognition and separation.The morphology of colloidal silica particles and hollow spheres was characterized by SEM and TEM.

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Periodical:

Solid State Phenomena (Volumes 121-123)

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219-222

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.121-123.219

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Online since:

March 2007

Authors:

Na Liu, Xing Wang, Hui Cao, Chun Hai Chen, Wan Jin Zhang

Keywords:

Hollow Sphere, Rigid Binaphtyl Macrocycle, Silica Partlicles

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