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Single Silver Nanoparticles as Real-Time Optical Sensors with Zeptomole Sensitivity
Abstract
This work utilizes dark-field optical microscopy to demonstrate the localized surface plasmon resonance λ max response of individual Ag nanoparticles to the formation of a monolayer of small-molecule adsorbates. The adsorption of fewer than 60 000 1-hexadecanethiol molecules on single Ag nanoparticles results in a localized surface plasmon resonance shift of 40.7 nm. Additionally, the kinetics of the single nanoparticle response was shown to be comparable to that of other real-time sensor technologies.
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Citations
Cited by
Single-Molecule Plasmon Sensing: Current Status and Future Prospects
Taylor, A. B., & Zijlstra, P. (2017) · ACS Sensors · doi:10.1021/acssensors.7b00382 · Cited by 366
Amendola, V., Polizzi, S., & Meneghetti, M. (2007) · Langmuir · doi:10.1021/la0637061 · Cited by 180
Bhowmik, T., Kundu, M. K., & Barman, S. (2015) · RSC Advances · doi:10.1039/c5ra04913j · Cited by 132
Ion-Specific Effects on Laser Ablation of Silver in Aqueous Electrolyte Solutions
Šišková, K., Vlčková, B., Turpin, P. Y., & Fayet, C. (2008) · The Journal of Physical Chemistry C · doi:10.1021/jp076680a · Cited by 34
Plasmon sensing and enhancement of laser prepared silver colloidal nanoplates
Condorelli, M., Scardaci, V., D'Urso, L., Puglisi, O., Fazio, E., & Compagnini, G. (2019) · Applied Surface Science · doi:10.1016/j.apsusc.2018.12.265 · Cited by 27
Nanoscale Refractive Index Sensors with High Figures of Merit via Optical Slot Antennas
Gao, B., Wang, Y., Zhang, T., Xu, Y., He, A., Dai, L., & Zhang, J. (2019) · ACS Nano · doi:10.1021/acsnano.9b03406 · Cited by 25
Metadata
- Authors
- McFarland, A. D., & Van Duyne, R. P.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2003-07-11
- Volume
- 3
- Issue
- 8
- Pages
- 1057-1062
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2152744436
- Cited by
- 1,626
- References
- 0
- FWCI
- 30.80
- Type
- journal article
- Language
- en
- Open access
- closed
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
