期刊
ACS APPLIED MATERIALS & INTERFACES
卷 11, 期 49, 页码 46205-46211出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.9b17202
关键词
solvent-induced polymerization strategy; two-dimensional porous polymer nanosheets; nanotubes; transformation; iodine capture
资金
- Jilin Provincial Science & Technology Department [20190201079JC]
- Fundamental Research Funds for the Central Universities
Two-dimensional (2D) porous polymers have demonstrated great potential in gas capture and surface catalysis as well as energy storage and conversion. Current synthesis of 2D porous polymers strongly depends on the usage of templates or an additional exfoliation process. The resultant products have HCP NSs uncontrollable morphology and structure, low structure integrity, and relatively low yield. Herein, a facile and high-throughput solvent-induced polymerization strategy to prepare ultrathin freestanding 2D porous hyper-cross-linked polymer nanosheets with large surface area and high sulfur content by cross-linking steric hexakis(benzylthio)benzene and thiophene is reported. Using this approach, the morphologies (nanosheets and nanotubes) and specific surface areas (658-1150 m(2) g(-1)) of porous hyper-cross-linked polymers can be simply tailored by adjusting the cross-linking degree between monomers. The as-synthesized porous hyper-cross-linked polymer nanotubes exhibit promising iodine capture performance, including a superior iodine uptake capacity (270 wt %) and a rapid equilibrium adsorption (within 60 min). This method will pave a new avenue for the synthesis of advanced 2D porous polymers for various applications.
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