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Plasmonic Nanomaterials in Dark Field Sensing Systems

Plasma nanoparticles offer promise in data storage, biosensing, optical imaging, photoelectric integration, etc. This review highlights the local surface plasmon resonance (LSPR) excitation mechanism of plasmonic nanoprobes and its critical significance in the control of dark-field sensing, as well...

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Bibliographic Details
Published in:Nanomaterials (Basel, Switzerland) Switzerland), 2023-07, Vol.13 (13), p.2027
Main Authors: Zhang, Wenjia, Zi, Xingyu, Bi, Jinqiang, Liu, Guohua, Cheng, Hongen, Bao, Kexin, Qin, Liu, Wang, Wei
Format: Article
Language:English
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Summary:Plasma nanoparticles offer promise in data storage, biosensing, optical imaging, photoelectric integration, etc. This review highlights the local surface plasmon resonance (LSPR) excitation mechanism of plasmonic nanoprobes and its critical significance in the control of dark-field sensing, as well as three main sensing strategies based on plasmonic nanomaterial dielectric environment modification, electromagnetic coupling, and charge transfer. This review then describes the component materials of plasmonic nanoprobes based on gold, silver, and other noble metals, as well as their applications. According to this summary, researchers raised the LSPR performance of composite plasmonic nanomaterials by combining noble metals with other metals or oxides and using them in process analysis and quantitative detection.
ISSN:2079-4991
2079-4991
DOI:10.3390/nano13132027