Document Detail


Manipulation of Cracks in Three-Dimensional Colloidal Crystal Films via Recognition of Surface Energy Patterns: An Approach to Regulating Crack Patterns and Shaping Microcrystals.
MedLine Citation:
PMID:  21630665     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
A new concept for dealing with cracks in colloidal crystals has been proposed. We induce the cracks rather than eliminate them via templates that possess hydrophilic/hydrophobic patterns on the surface (surface energy patterns), leading the cracks to propagate along the predetermined lines. Colloidal crystal arrays with various kinds of element figures separated by cracks could be reproducibly fabricated. Diverse crack patterns other than common stripes have been observed, and the mechanism of these behaviors has been explored. The factors that influence the crack density have been investigated to ensure that the templates could function effectively. Moreover, we obtained microcrystal blocks with specific shapes, detached from the substrate.
Authors:
Wei Sun; Fei Jia; Zhiqiang Sun; Junhu Zhang; Yang Li; Xun Zhang; Bai Yang
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-6-1
Journal Detail:
Title:  Langmuir : the ACS journal of surfaces and colloids     Volume:  -     ISSN:  1520-5827     ISO Abbreviation:  -     Publication Date:  2011 Jun 
Date Detail:
Created Date:  2011-6-2     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9882736     Medline TA:  Langmuir     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University , Changchun 130012, PR China.
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