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ZnO Nanosheets with Ordered Pore Periodicity via Colloidal Crystal Template Assisted Electrochemical Deposition


  • This work was supported by the Ministry of Sciences and Technology of China through project 973 under grant number 2002CB61306, and the National Science Foundation of China under grants 50425204, 50572043, and 90401012.


Two-dimensional ZnO nanosheets with ordered pore periodicity are synthesized via a colloidal crystal template assisted electrochemical deposition method. The nanosheets follow a preferable crystallization orientation along the {111} crystal plane family of the colloidal crystals. Ordered pore periodicity in free-standing ZnO nanosheets, which are deposited on the three-dimensional ZnO inverse opals, is also demonstrated.

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