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Synthesis of water soluble silver-nanoparticle-embedded polymer nanofibers with poly(2-ethyl-2-oxazoline) by a straightforward polyol process

Published online by Cambridge University Press:  21 June 2011

Lin Wei ,
Lehui Xiao  and
Yan He
Lin Wei
Affiliation:
State Key Laboratory of Chemo/Biosensing and Chemometrics, Biomedical Engineering Center, Hunan University, Changsha 410082, People’s Republic of China
Lehui Xiao
Affiliation:
State Key Laboratory of Chemo/Biosensing and Chemometrics, Biomedical Engineering Center, Hunan University, Changsha 410082, People’s Republic of China
Yan He*
Affiliation:
State Key Laboratory of Chemo/Biosensing and Chemometrics, Biomedical Engineering Center, Hunan University, Changsha 410082, People’s Republic of China
*
a)Address all correspondence to this author. e-mail: [email protected]
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Abstract

In this work, poly(2-ethyl-2-oxazoline) (PEtOx) is used for synthesis of silver-nanoparticle-embedded polymer nanofibers through a simple polyol process. The factors, such as AgNO3/PEtOx molar ratio R, reaction temperature T, and reaction time t, which would influence the morphology of the nanofiber were studied extensively. Long linear PEtOx nanofibers with length more than 1 μm were obtained under the optimum conditions of R = 5, T = 150 °C, and t = 1 h. PEtOx and reaction temperature were found to be the key factors affecting the final morphology of nanofibers in this system. The physical and chemical properties of these silver-nanoparticle-embedded PEtOx nanofibers were characterized by transmission electron microscopy, high-resolution transmission electron microscopy, energy dispersive spectrum, x-ray diffraction, and inductive coupled plasma-mass spectrometry. The growth mechanism of the nanofibers is elucidated, and the process is demonstrated to be both kinetically and thermodynamically controlled.

Keywords

Chemical synthesisFiberPolymer
Type
Articles
Information
Journal of Materials Research , Volume 26 , Issue 13 , 14 July 2011 , pp. 1614 - 1620
Copyright
Copyright © Materials Research Society 2011

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