Drilling nanoholes in colloidal spheres by selective etching

Yan, Qingfeng, Liu, Fang, Wang, Likui, Lee, Jim Yang and Zhao, X. S. (2006) Drilling nanoholes in colloidal spheres by selective etching. Journal of Materials Chemistry, 16 22: 2132-2134. doi:10.1039/b604463h

Author Yan, Qingfeng
Liu, Fang
Wang, Likui
Lee, Jim Yang
Zhao, X. S.
Title Drilling nanoholes in colloidal spheres by selective etching
Journal name Journal of Materials Chemistry   Check publisher's open access policy
ISSN 0959-9428
Publication date 2006
Sub-type Article (original research)
DOI 10.1039/b604463h
Open Access Status Not Open Access
Volume 16
Issue 22
Start page 2132
End page 2134
Total pages 3
Place of publication Cambridge, England, United Kingdom
Publisher Royal Society of Chemistry Publishing
Language eng
Formatted abstract
An effective route for the fabrication of arrays of polystyrene (PS) colloidal spheres with nanoholes by selective etching of a colloidal monolayer partially embedded in an electrochemically deposited nickle layer was investigated. It was observed that after removal of the nickel layer by using wet chemical etching with dilute hydrochloric acid, an array of PS colloidal speres with nanoholes was obstained. It was shown that in addition to the size tuning by electrochemical deposition of nickle layers of different thicknesses, the depth of the holes can also be tuned by controlling the ICP etching time. It was found that this fabrication method allows the simple and reliable production of arrays of colloidal spheres with nanoholes.
Keyword 3-Dimensional Photonic Crystals
Particle Arrays
Large Areas
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Chemical Engineering Publications
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