Controlled fabrication of noble metal nanoparticles loaded on the surfaces of cyclotriphosphazene-containing polymer nanotubes |
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Authors: | Jianwei Fu Minghuan Wang Chao Zhang Qun Xu Xiaobin Huang Xiaozhen Tang |
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Affiliation: | (1) School of Materials Science and Engineering, Zhengzhou University, 75 Daxue Road, Zhengzhou, 450052, People’s Republic of China;(2) School of Chemistry and Chemical Technology, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, People’s Republic of China |
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Abstract: | We report on the fabrication of noble metal nanoparticles loaded on the surfaces of cross-linked poly(cyclotriphosphazene-co-4,4′-sulfonyldiphenol)
(PZS) nanotubes of high stability. PZS nanotubes were first synthesized by precipitation polymerization between hexachlorocyclotriphosphazene
and 4,4′-sulfonyldiphenol based on in situ template mechanism. Then the PZS nanotubes were directly used as scafford to load
metal Au, Ag, and Pd nanoparticles, respectively, through cation complexation followed by gentle reduction. The structure
and morphology of the metal/PZS nanocomposites were determined by means of Fourier transform infrared spectra, energy dispersive
X-ray spectroscopy, elemental analysis, X-ray diffraction, scanning electron microscope, transmission electron microscope,
and thermogravimetric analysis (TGA). Results showed that the metal/PZS nanocomposites possessed 460 °C of initial thermal
decomposition temperature under air atmosphere and the loading amount of metal nanoparticles on the PZS nanotube surfaces
could be controlled easily. As-fabricated metal/PZS nanocomposites are expected to have potential applications in catalysis. |
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