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An Invisible Template Method towards Gold Regular Arrays of Nanoflowers by Electrodeposition
Author: 31. Jingjing Wang, Guotao Duan, Yue Li, Guangqiang Liu, Zhengfei Dai, Hongwen Zhang, Weiping Cai
Periodical: Langmiur
Page: 2013, 29, 3512-3517
Full text link: http://pubs.acs.org/doi/full/10.1021/la400433z
Periodical: Langmiur
Page: 2013, 29, 3512-3517
Full text link: http://pubs.acs.org/doi/full/10.1021/la400433z
A new approach, an invisible template method that is realized through controlling the interface electroconductivity of an electrode surface, is presented to synthesize gold regular arrays of nanoflowers with variable separations through further electrochemical deposition. Using polystyrene monolayer colloidal crystals as the first template, a hexagonally packed 1-hexadecanethiol pattern was self-assembled and used as an invisible template to control the interface electroconductivity. Further electrochemical deposition under appropriate conditions can easily lead to gold regular arrays of nanoflowers. This new approach demonstrates a simple route to the fabrication of novel gold micro/nanostructured arrays that may find applications as SERS active substrates, superhydrophobic materials, and so forth.