2004
DOI: 10.1021/nl048653r
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Templated Synthesis of Highly Ordered Mesostructured Nanowires and Nanowire Arrays

Abstract: A general methodology that utilizes confined mesoporous silica as template for preparing highly ordered mesostructured nanowires and nanowire arrays is developed. The prepared Ag, Ni, and Cu 2 O nanowires, with unprecedented mesostructures of coaxially multilayered helical, and stacked-donut structures, have the unique features of hierarchical organization, modulated surface morphology, high surface area, and chirality. Surface-enhanced Raman spectra from a silver mesostructured-nanowire bundle are presented.

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Cited by 204 publications
(131 citation statements)
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“…For example, the helices from cylinder-forming block copolymers confined inside tubular pores add chirality to the nanowire family. [132] …”
Section: Block Copolymers In Nonplanar Confinementmentioning
confidence: 99%
“…For example, the helices from cylinder-forming block copolymers confined inside tubular pores add chirality to the nanowire family. [132] …”
Section: Block Copolymers In Nonplanar Confinementmentioning
confidence: 99%
“…[11][12][13] Wu et al synthesized silica nanorods containing helical and circular-cylindrical ''stacked-doughnuts'' mesopore structures by gelation and calcination of sol-gels containing poly(ethylene oxide)-block-poly(propylene oxide)-block-poly(ethylene oxide) and tetraethyl orthosilicate infiltrated into AAO with pore diameters below 70 nm, [11] and prepared metal replicas of helical mesopores by electrochemical deposition. [14] However, only little effort has been directed to the experimental study of BCP melts selfassembling under strong cylindrical confinement, [12] even though the formation of a broad variety of unprecedented confinementinduced nanoscopic domain structures has been predicted. [15] Thus, only a small range of the potentially accessible morphologies has been realized, and their exploitation for the generation of functional nanostructures has not yet been addressed.…”
mentioning
confidence: 99%
“…Such nanostructures have a potential use for various sensors by utilizing their inherent optical and electrical properties of those nanostructures. 22,25,29,33,34 Although the hybrid mesoporous membrane with 1D silicananochannels can be applicable to various fields of analytical chemistry, several problems to be overcome still remain in order to develop innovative separation systems based on the hybrid mesoporous membranes.…”
Section: Analytical Applicationsmentioning
confidence: 99%