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Farris Elli,유성일 한국고분자학회 2021 한국고분자학회 학술대회 연구논문 초록집 Vol.46 No.2
Plasmonic nanoparticles (NPs) were known for being able to act as a catalyst of various chemical system due to its well-known localized surface plasmon resonance (LSPR). Since the plasmonic coupling among multiple NPs can substantially enhance the electromagnetic field around metal NPs, superstructures composed of multiple NPs have been suggested to increase the performance of LSPR-mediated catalytic reaction. In this regard, we prepared layer-by-layer (LbL) assembly of Au NPs and polyelectrolytes onto porous polyethersulfone (PES) membrane. In the LbL assembly, an extensive plasmonic coupling among Au NPs in the separate layers could be induced, which resulted in the broadband plasmonic absorption. By illuminating the prepared PES/Au composites by artificial sun light, the LSPR effect on a model chemical reaction has been investigated by comparing the spectral overlap between illuminated light and the plasmonic absorption of PES/Au composites.