Abstract
Hollow nanocapsules have the potential to be used as drug delivery carriers because of the high drug loading capacity of their inner void space. In this paper, we report a preliminary study of the synthesis of piezoelectric PZT nanocapsules (PZT-NCs). The hollow PZT-NCs were successfully fabricated by a nanoimprint method with a sol-gel process. A porous alumina membrane (PAM) was used as a mold. The PZT-NCs have a polycrystalline structure and consist of crystallites with a size in the range of 2–5 nm.
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