| Radially oriented anthracene nanowire arrays: preparation, growth mechanism, and optical fluorescence. | |
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MedLine Citation:
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PMID: 21380477 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Radially oriented anthracene nanowires and their self-assembled concentric ring arrays were prepared through a facial solvent-evaporation method. The successful growth of anthracene nanowires can be attributed to a combined mechanism of molecular self-assembly facilitated by strong π-π intermolecular interactions together with evaporation-induced capillary flow and fingering instability. Their radial orientation is determined by the capillary flow; their shape (either straight or curved nanowires) is governed by the competition between the capillary and Marangoni convectional flows. The self-assembly of nanowires into large-scale concentric ring arrays can be interpreted in terms of the repeated slipping-and-sticking motions of the contact line. The high-quality crystalline anthracene nanowire arrays exhibit size-dependent fluorescence emission with high-degree anisotropy. |
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Authors:
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Ji Hong Wu; Tian Ze Xu; Siau Gek Ang; Qing-Hua Xu; Guo Qin Xu |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-3-7 |
Journal Detail:
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Title: Nanoscale Volume: - ISSN: 2040-3372 ISO Abbreviation: - Publication Date: 2011 Mar |
Date Detail:
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Created Date: 2011-3-7 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101525249 Medline TA: Nanoscale Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Chemistry, National University of Singapore, 3 Science Drive 3, Republic of Singapore117543. chmxugq@nus.edu.sg chmxqh@nus.edu.sg. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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