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    Colloidal Template Synthesis of Nanomaterials by Using Microporous Organic Nanoparticles: The Case of C@MoS2 Nanoadsorbents

    Year: 2019

    Journal: Chem.-Asian J., Volume 14, SEP 16, page 3173–3180

    Authors: Kang, Shin Young; Kang, Chang Wan; Kim, Dong Wook; Myung, Yoon; Choi, Jaewon; Lee, Sang Moon; Kim, Hae Jin; Ko, Yoon-Joo; Son, Seung Uk

    Organizations: Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Science, ICT and Future Planning [2016R1E1A1A01941074]; National Research Council of Science & Technology (NST) through the R&D Convergence Program [CAP-15-02-KBSI]

    Keywords: adsorbents; colloids; microporous materials; nanoparticles; template synthesis

    The so-called colloidal template synthesis has been applied to the preparation of surface-engineered nanoadsorbents. Colloidal microporous organic network nanotemplates (C-MONs), which showed a high surface area (611 m(2) g(-1)) and enhanced microporosity, were prepared through the networking of organic building blocks in the presence of poly(vinylpyrrolidone) (PVP). Owing to entrapment of the PVP in networks, the C-MONs showed good colloidal dispersion in EtOH. MoS2 precursors were incorporated into the C-MONs and heat treatment afforded core-shell-type C@MoS2 nanoparticles with a diameter of 80 nm, a negative zeta potential (-39.5 mV), a high surface area (508 m(2) g(-1)), and excellent adsorption performance towards cationic dyes (q(max)=343.6 and 421.9 mg g(-1) for methylene blue and rhodamine B, respectively).
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