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Authors
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Seçkin, S.; Sarkar, S.; König, T. A. F.
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Title
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Advancement in colloidal metasurfaces: Approaches for scalable photonic devices
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Date
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20.03.2025
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Number
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0
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Abstract
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This perspective article addresses the potential of colloidal metasurfaces composed of emitting and plasmonic nanoparticles to advance applications in nanophotonics. Leveraging the synergy of advanced laser interference lithography (LIL) and template-assisted self-assembly (TASA), the latest advances in directed self-assembly of nanoparticles, enabling precise manipulation of photonic properties, are presented. These methods enable improved photonic responses, such as increased emission intensity, directional enhancement, and tunable photonic bandgaps. Key to this approach is the rational design of nanostructures that optimize the interactions between localized and collective optical modes to achieve synergistic improvements in photonic functionality through mechanisms such as surface lattice resonances (SLRs) and hybridized guided mode resonances (hGMRs). Developments in metasurface design, supported by theoretical studies and simulations that demonstrate the scalability and effectiveness of this hybrid fabrication approach, are emphasized. Key applications include high-efficiency light-emitting devices, low-threshold lasing, and surface-enhanced Raman spectroscopy (SERS) with high sensitivity and large-area uniformity. These advances in the colloidal approach improve low-loss sensing and provide the platform for transformative photonic technologies such as quantum computing, secure communication networks, and advanced optoelectronic systems.
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Publisher
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Wiley
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Wikidata
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Citation
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Advanced Materials Interfaces (2025) 2400934
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DOI
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https://doi.org/10.1002/admi.202400934
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Tags
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