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Keywords:

  • ATRP;
  • composite;
  • interlocked structure;
  • opal–inverse opal;
  • surface template

Abstract

Thumbnail image of graphical abstract

Opal–inverse opal interlocked composites consisting of opals of hollow spheres with window channels interlocked, have displayed new properties. A facile and general method has been reported to synthesize the ordered composites. Polymer shells are first grown onto the surface of a silica sphere of an opal template by ATRP, which is followed by a sequential modification of the shells resulting in functional groups. Composite shells are favorably synthesized within the functional polymer shells. After the removal of silica opal templates, opal–inverse opal interlocked structures with varied compositions of polymers, inorganic materials, and carbon are achieved.