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摘要:
Gold nanoparticles layered double hydroxide poly(vinyl alcohol) (Au NPs-LDH-PVA) hybrid films have been successfully prepared for the first time by bottom-up assembly of pretreated Au NPs-LDH nanosheets and subsequent spin-coating of PVA. The cross sections of the as-prepared hybrid films resemble the brick-and-mortar structure of nacre. The tensile strength of the Au NPs-LDH-PVA hybrid film reaches a high value of 122 MPa, which is higher than that of a pure PVA film and surpasses the strength of natural nacre. Furthermore, we demonstrate that Au NPs-LDH-PVA hybrid films possess surface-enhanced Raman scattering and catalytic properties. Therefore, our report on the fabrication of multifunctional Au NPs-LDH-PVA hybrid films not only shows a feasible route to functionalizing artificial nacre-inspired materials but also potentially broadens applications of these nacre-like materials.
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来源 :
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
ISSN: 0888-5885
年份: 2015
期: 36
卷: 54
页码: 8940-8946
4 . 2 0 0
JCR@2022
ESI学科: CHEMISTRY;
ESI高被引阀值:253
JCR分区:2
中科院分区:3