Novel preparation method for multi-layered, tubular silica using an azacrown-appended cholesterol as template and metal-deposition into the interlayer space

Authors:
  • JJJong Hwa Jung
    Jong Hwa Jung
  • YOYoshiyuki Ono
    Yoshiyuki Ono
  • SSSeiji Shinkai
    Seiji Shinkai
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Abstract
Novel multi-layered ‘rolled-paper-like’ silica was prepared by using the aggregate of an azacrown-appended cholesterol derivative as a template for the sol–gel polymerization of tetraethoxysilane: the metal bound to the azacrown moiety was thereby deposited in the interlayer space.