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Keywords:

  • Biomimetics;
  • Biomineralization;
  • Polymers;
  • Porphyrins;
  • Silica, mesostructured
Thumbnail image of graphical abstract

A new method for biomimetic silica fabrication is reported. Organized poly(ethyleneimine) rapidly catalyzes and directs the shape of silica in the hydrolysis of tetramethoxysilane under ambient conditions. The resultant silica displays a diversity of controllable morphologies, such as flower, plate, bundle, leaf, and sphere (see Figure, scale bar represents 1 μm).