Self-assembled Synthesis of 3D CuO Flocculus-like Nanosheet-based Hierarchical Nanostructures

doi:10.1007/s40242-013-2413-3

Abstract

Abstract:

A simple, surfactant-free, and environmentally benign method has been developed to synthesize a novel 3D flocculus-like CuO hierarchical nanostructure self-assembled with 2D nanosheet as building blocks. Detailed proofs demonstrate that the overall synthetic process underwent the dehydration and re-crystallization of precursor Cu(OH)₂ nanowires, and the subsequent two-step oriented attachment. In addition, 3D butterfly-like and flower-like CuO nanostructures consisted of 2D nanosheets could be obtained by adjusting the concentration of NaOH(c_NaOH) in the solution. c_NaOH played a key role in tailoring the thickness of the nanosheets and changing the morphology of the product. This report may be helpful to constructing fine-tune hierarchical CuO nanostructures under basic conditions.

Key words: Hierarchical nanostructure, Self assembly, Oriented attachment, CuO

YIN Yong-kui, XU Yan-Li, LI Ying, REN Feng-yun, LI Shuang-jing, JIN Ge, LI Miao-jing, CUI Xin-yu. Self-assembled Synthesis of 3D CuO Flocculus-like Nanosheet-based Hierarchical Nanostructures[J]. Chemical Research in Chinese Universities, 2013, 29(2): 379-383.

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