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https://hdl.handle.net/2440/126449
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Type: | Journal article |
Title: | Tailor-engineered plasmonic single-lattices: harnessing localized surface plasmon resonances for visible-NIR light-enhanced photocatalysis |
Author: | Lim, S.Y. Law, C.S. Bertó-Roselló, F. Liu, L. Markovic, M. Ferré-Borrull, J. Abell, A.D. Voelcker, N.H. Marsal, L.F. Santos, A. |
Citation: | Catalysis Science and Technology, 2020; 10(10):3195-3211 |
Publisher: | Royal Society of Chemistry |
Issue Date: | 2020 |
ISSN: | 2044-4753 2044-4761 |
Statement of Responsibility: | Siew Yee Lim, Cheryl Suwen Law, Francesc Bertó-Roselló, Lina Liu, Marijana Markovic, Josep Ferré-Borrull, Andrew D. Abell, Nicolas H. Voelcker, Lluís F. Marsal and Abel Santos |
Abstract: | A platform material composed of 2D gold (Au) nanodot plasmonic single-lattices (Au-nD-PSLs) featuring tailor-engineered geometric features for visible-NIR light-driven enhanced photocatalysis is presented. Au-nD-PSLs efficiently harness incident visible-NIR electromagnetic waves to accelerate photo-chemical reactions by localized surface plasmon resonance (LSPR) effects. Au-nD-PSLs are fabricated by a straightforward, industrially scalable template-assisted approach, using nanopatterned aluminum substrates as templates. The method overcomes the constraints of direct writing lithography and allows Au-nD-PSLs to be transferred to arbitrary functional flexible substrates. Triangular lattice Au-nD-PSLs feature tunable and controllable characteristic LSPR bands across the visible spectrum. Strongly localized electromagnetic fields around Au-nD-PSLs are responsible for the outstanding photocatalytic performance of these plasmonic nanostructures, as demonstrated by finite-difference time-domain simulations and experimental observations. Our approach of rational engineering of LSPR effects in Au-nD-PSLs provides exciting opportunities to develop high-performing and reusable photocatalysts that harvest the visible-NIR spectrum for a broad range of optoelectronic and plasmonic applications. |
Rights: | This journal is © The Royal Society of Chemistry 2020 |
DOI: | 10.1039/c9cy02561h |
Grant ID: | http://purl.org/au-research/grants/arc/CE140100003 |
Published version: | http://dx.doi.org/10.1039/c9cy02561h |
Appears in Collections: | Aurora harvest 8 Chemical Engineering publications |
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