Controlling nanoparticle formation via sizable cages of supramolecular soft materials

Li, Jing-Liang, Liu, Xiang-Yang, Wang, Xun-Gai and Wang, Rong-Yao 2011, Controlling nanoparticle formation via sizable cages of supramolecular soft materials, Langmuir, vol. 27, no. 12, pp. 7820-7827.

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Title Controlling nanoparticle formation via sizable cages of supramolecular soft materials
Author(s) Li, Jing-Liang
Liu, Xiang-Yang
Wang, Xun-Gai
Wang, Rong-Yao
Journal name Langmuir
Volume number 27
Issue number 12
Start page 7820
End page 7827
Publisher American Chemical Society
Place of publication Washington, D.C.
Publication date 2011-06-21
ISSN 0743-7463
1520-5827
Keyword(s) nanoparticles
supramolecular soft materials
Summary We present a new generic strategy to fabricate nanoparticles in the “cages” within the fibrous networks of supramolecular soft materials. As the cages can be acquired by a design-and-production manner, the size of nanoparticles synthesized within the cages can be tuned accordingly. To implement this idea, both selenium and silver were chosen for the detailed investigation. It follows that the sizes of selenium and silver nanoparticles can be controlled by tuning the pore size of the fiber networks in the material. When the concentration of the gelator is high enough, monodisperse nanoparticles can be prepared. More interestingly, the morphology of the nanoparticles can be altered: silver disks can be formed when the concentrations of both the gelator and silver nitrate are sufficiently low. As the fiber network serves as a physical barrier and semisolid support for the nanoparticles, the stability in the aqueous media and the ease of application of these nanoparticles can be substantially enhanced. This robust surfactant-free approach will not only allow the controlled fabrication of nanoparticles, but also can be applied to the fabrication of composite materials for robust applications.
Language eng
Field of Research 091205 Functional Materials
030603 Colloid and Surface Chemistry
100708 Nanomaterials
Socio Economic Objective 970110 Expanding Knowledge in Technology
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2011, American Chemical Society
Persistent URL http://hdl.handle.net/10536/DRO/DU:30039294

Document type: Journal Article
Collection: Centre for Material and Fibre Innovation
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