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An Au@Ag nanocube based plasmonic nano-sensor for rapid detection of sulfide ions with high sensitivity

Author:
Zhang, Lei, Zhang, Junxia, Wang, Fei, Shen, Jingjing, Zhang, Ying, Wu, Lingzhi, Lu, Xiaomei, Wang, Lianhui, Fan, Quli, Huang, Wei
Source:
RSC advances 2018 v.8 no.11 pp. 5792-5796
ISSN:
2046-2069
Subject:
biosensors, ions, microscopy, nanoparticles, rapid methods, surface plasmon resonance
Abstract:
Based on the localized surface plasmon resonance (LSPR) technology, a novel plasmonic nanosensor with high sensitivity and high selectivity was prepared for the detection of trace sulfide ions on an individual Au@Ag nanoparticle. Furthermore, it could be used to monitor the sulfurization on an individual Au@Ag nanoparticle surface observed under dark-field microscopy (DFM).
Agid:
6181963