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

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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.

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Acknowledgments

We greatly thank Song Chen (Hunan Normal University) for the TEM measurement and Dr. Yongjun Li for valuable discussions. L-H. Xiao is thankful for partial support from the Scholarship Award for Excellent Doctoral Student from Ministry of Education, China. This work was supported by Hunan University 985 fund.

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Authors and Affiliations

  1. State Key Laboratory of Chemo/Biosensing and Chemometrics, Biomedical Engineering Center, Hunan University, Changsha, 410082, People’s Republic of China

    Lin Wei, Lehui Xiao & Yan He

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  1. Lin Wei
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  2. Lehui Xiao
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Correspondence to Yan He.

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Wei, L., Xiao, L. & He, Y. Synthesis of water soluble silver-nanoparticle-embedded polymer nanofibers with poly(2-ethyl-2-oxazoline) by a straightforward polyol process. Journal of Materials Research 26, 1614–1620 (2011). https://doi.org/10.1557/jmr.2011.174

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