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A self-inducing template-growth approach to the production of nanofibers of 1, 3-diphenyl-2-pyrazoline (DP) in the presence of cetyltrimethylammonium bromide (CTAB) in an aqueous phase is discussed (see picture). Not only the surfactant CTAB molecules assume the role of surface-active colloidal stabilizers; but also the rodlike CTAB micelles, which are induced by DP molecules dissolved in spherical CTAB micelles, further direct the growth of cylindrical DP nanofibers like templates. It is found that the crystal-packing forces drive the DP molecules to self-assemble as J-type aggregates in nanofibers. Supporting information for this article is available on the WWW under http: //www. wiley-vch. de/contents/jc₂002/2003/z50961ₛ. pdf or from the author. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.
Fu et al. (Tue,) studied this question.