Synthesis and catalysis of Ag nanoparticles trapped into temperature-sensitive and conductive polymers
Source abstract
Abstract
Poly(styrene-co-N-isopropylacrylamide)/poly(N-isopropylacrylamide-co-methacrylic acid)/polypyrrole-silver [P(St-NIPAM)/P(NIPAM-co-MAA)/PPy-Ag] composite microgels were synthesized via a one-step redox polymerization of silver ammonia ions and pyrrole monomer at room temperature, using the core–shell P(St-NIPAM)/P(NIPAM-co-MAA) thermo-sensitive polymer microgels as templates. The structure, component, and properties of the as-prepared composite microgels have been characterized by transmission electron microscope, Fourier-transform infrared spectroscopy, X-ray diffraction, thermogravimetric analysis, and UV–Vis spectrophotometer. The results indicate that the size and the dispersity of the formed PPy-Ag nanocomposite particles can be regulated by adjusting the initial concentration of the precursors. The catalytic activity for the reduction of 4-nitrophenol was regulated by varying the environment temperature. Meanwhile, the higher catalytic activity is contributed to the electron transfer from the conductive polymer PPy to the Ag nanoparticles in the polymer material matrix.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Nanomaterials for catalytic reactions · Conducting polymers and applications · Electrochemical sensors and biosensors
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (32)
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