Polymer particles with controllable and complex structures for high immobilization of noble-metal nanoparticles

[Display omitted] This work demonstrates the fabrication of cationic polymer particles with controllable and complex structures for the high immobilization of noble-metal nanoparticles (NPs). The fabrication involves the use of a cationic extra monomer to synthesize polystyrene (PS) solid spheres wi...

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Bibliographic Details
Published in:Journal of industrial and engineering chemistry (Seoul, Korea) 2020, 82(0), , pp.439-447
Main Authors: Kim, Da In, Park, Ju Hyang, Seo, Hojun, Hong, Sang Gi, Kim, Hye Ji, Ahn, Hyungju, Kim, Jongbok, Moon, Geon Dae, Hyun, Dong Choon
Format: Article
Language:English
Subjects:
Complex-structured colloid
Large surface area
Noble-metal nanoparticle
Phase separation
Polymer particle
화학공학
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Summary:[Display omitted] This work demonstrates the fabrication of cationic polymer particles with controllable and complex structures for the high immobilization of noble-metal nanoparticles (NPs). The fabrication involves the use of a cationic extra monomer to synthesize polystyrene (PS) solid spheres with cationic character, followed by their transformation into complex-structured particles via the phase separation route in a seeded dispersion polymerization. Control of the phase separation enables the formation of PS particles with cage- and bowl-like shapes as well as hollow structures. The large surface areas of the complex-structured particles, as theoretically calculated using simple models, and the electrostatic attraction between them and the negatively charged noble-metal NPs, as experimentally observed, allow the high immobilization of noble-metal NPs onto their surfaces.
ISSN:1226-086X
1876-794X
DOI:10.1016/j.jiec.2019.11.008