Nanopore Confinement Effect Mediated Heterogeneous Plasmonic Metasurfaces for Multifunctional Biosensing Interfaces

IF 13 2区材料科学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Small Pub Date : 2024-12-20 DOI:10.1002/smll.202408705

Yindian Wang, Zhihui Mao, Xiaojun Hu, Jiarong Cao, Juyong Gwak, Jaebeom Lee, Hongxia Chen

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引用次数: 0

Abstract

Plasmonic metasurfaces (PMs) exhibit extraordinary optical response due to surface lattice resonance, which is crucial for realizing high-performance photovoltaic device preparation. In this work, a nanopore confinement effect-mediated MOF@UsAu is proposed as a novel PM heterojunction for photovoltaic interfaces. 2D MOFs have the unique advantage of a tunable and ordered porous structure. Its nanopore confinement effect regulates in situ synthesis of AuNPs on the MOF surface in dimensions and regions. The interface delocalization induced by work function matching and the Schottky barrier formed by band bending enhance the ordered LSPR and photovoltaic response of PM heterojunctions, achieving a significant enhancement of SPR interface plasma electric field. Based on the bi-directional interaction design between the S-shaped multifunctional peptide and MOF@UsAu, a PMs-enhanced SPR biosensor is constructed for direct, real-time, and ultrasensitive analysis of tumor exosomes. This study is the first to use 2D MOFs as substrates for constructing PMs and designing customized in situ synthesis strategies for specific application scenarios. It provides new ideas for the design of novel PMs and the construction of customized photovoltaic interfaces, expected to be extended to various types of photovoltaic device applications.

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来源期刊

Small 工程技术-材料科学：综合

CiteScore

17.70

自引率

3.80%

发文量

1830

审稿时长

2.1 months

期刊介绍： Small serves as an exceptional platform for both experimental and theoretical studies in fundamental and applied interdisciplinary research at the nano- and microscale. The journal offers a compelling mix of peer-reviewed Research Articles, Reviews, Perspectives, and Comments. With a remarkable 2022 Journal Impact Factor of 13.3 (Journal Citation Reports from Clarivate Analytics, 2023), Small remains among the top multidisciplinary journals, covering a wide range of topics at the interface of materials science, chemistry, physics, engineering, medicine, and biology. Small's readership includes biochemists, biologists, biomedical scientists, chemists, engineers, information technologists, materials scientists, physicists, and theoreticians alike.