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Title: Design and fabrication of a new class of nano hybrid materials based on reactive polymeric molecular cages
Authors: Zhang, D.S.
Liu, X.Y. 
Li, J.L.
Xu, H.Y.
Lin, H.
Chen, Y.Y.
Issue Date: 10-Sep-2013
Citation: Zhang, D.S., Liu, X.Y., Li, J.L., Xu, H.Y., Lin, H., Chen, Y.Y. (2013-09-10). Design and fabrication of a new class of nano hybrid materials based on reactive polymeric molecular cages. Langmuir 29 (36) : 11498-11505. ScholarBank@NUS Repository.
Abstract: This paper describes a strategy of fabricating a new class of nano hybrid particles in terms of the "nanocages" of reactive molecular matrices/networks. The concept is to design molecular matrices functionalized with particular reactive groups, which can on-site synthesize and fix nanoparticles at the designated positions of the molecular networks. The cages of the molecular networks impose the confinement and protection to the nanoparticles so that the size and the stability of nano hybrid particles can be better controlled. To this end, polyamide network polymers (PNP) were synthesized and adopted as the reactive molecular cages for the control of silver nanoparticles formation. It follows that the silver nano hybrid particles fabricated by this method have an average diameter of 4.34 nm much smaller than any other or similar methods ie by a hyperbranched polyamide polymer (HB-PA). As per our design, the size of the silver nano hybrid particles can also be tuned by controlling the molar ratio between silver ions and the functional groups in the polymeric matrices. The silver nano hybrid particles reveal the substantially enhanced stability in aqueous solutions, which gives rise to the long stable performance of localized surface plasmon resonance. As the nano hybrid particles display long eminent nanoeffects, they exert broad implications for a wide range of applications such as biomedicine, catalysis, and optoelectronics. © 2013 American Chemical Society.
Source Title: Langmuir
ISSN: 07437463
DOI: 10.1021/la4023085
Appears in Collections:Staff Publications

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