The DOI matches its Crossref record; 2 of the 2 references it cites were found in a registry or an index.
Porous Au–Ag Nanospheres with High-Density and Highly Accessible Hotspots for SERS Analysis
Abstract
Colloidal plasmonic metal nanoparticles have enabled surface-enhanced Raman scattering (SERS) for a variety of analytical applications. While great efforts have been made to create hotspots for amplifying Raman signals, it remains a great challenge to ensure their high density and accessibility for improved sensitivity of the analysis. Here we report a dealloying process for the fabrication of porous Au-Ag alloy nanoparticles containing abundant inherent hotspots, which were encased in ultrathin hollow silica shells so that the need of conventional organic capping ligands for stabilization is eliminated, producing colloidal plasmonic nanoparticles with clean surface and thus high accessibility of the hotspots. As a result, these novel nanostructures show excellent SERS activity with an enhancement factor of ∼1.3 × 10(7) on a single particle basis (off-resonant condition), promising high applicability in many SERS-based analytical and biomedical applications.
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Cites
Colloidal nanocrystal synthesis and the organic–inorganic interface
Yin, Y., & Alivisatos, A. P. (2005) · Nature · doi:10.1038/nature04165 · Cited by 3,273
Self-citationHighly Crystalline Multimetallic Nanoframes with Three-Dimensional Electrocatalytic Surfaces
Chen, C., Kang, Y., Huo, Z., Zhu, Z., Huang, W., Xin, H. L., Snyder, J. D., Li, D., Herron, J. A., Mavrikakis, M., et al. (2014) · Science · doi:10.1126/science.1249061 · Cited by 2,765
Cited by
Single-Molecule Chemistry with Surface- and Tip-Enhanced Raman Spectroscopy
Zrimsek, A. B., Chiang, N., Mattei, M., Zaleski, S., McAnally, M. O., Chapman, C. T., Henry, A.-I., Schatz, G. C., & Van Duyne, R. P. (2017) · Chemical Reviews · doi:10.1021/acs.chemrev.6b00552 · Cited by 720
Ha, M., Kim, J.-H., You, M., Li, Q., Fan, C., & Nam, J.-M. (2019) · Chemical Reviews · doi:10.1021/acs.chemrev.9b00234 · Cited by 466
Srinoi, P., Chen, Y.-T., Vittur, V., Marquez, M. D., & Lee, T. R. (2018) · Applied Sciences · doi:10.3390/app8071106 · Cited by 299
Mesoporous metallic rhodium nanoparticles
Jiang, B., Li, C., Dag, Ö., Abe, H., Takei, T., Imai, T., Hossain, M. S. A., Islam, M. T., Wood, K., Henzie, J., et al. (2017) · Nature Communications · doi:10.1038/ncomms15581 · Cited by 257
Koya, A. N., Zhu, X., Ohannesian, N., Yanik, A. A., Alabastri, A., Proietti Zaccaria, R., Krahne, R., Shih, W.-C., & Garoli, D. (2021) · ACS Nano · doi:10.1021/acsnano.0c10945 · Cited by 257
Metadata
- Authors
- Liu, K., Bai, Y., Zhang, L., Yang, Z., Fan, Q., Zheng, H., Yin, Y., & Gao, C.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2016-05-24
- Volume
- 16
- Issue
- 6
- Pages
- 3675-3681
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2407845137
- Cited by
- 472
- References
- 2
- FWCI
- 20.49
- Type
- journal article
- Language
- en
- Open access
- closed
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- Liu, K., Bai, Y., Zhang, L., Yang, Z., Fan, Q., Zheng, H., Yin, Y., & Gao, C. (2016). Porous Au–Ag Nanospheres with High-Density and Highly Accessible Hotspots for SERS Analysis. Nano Letters. https://doi.org/10.1021/acs.nanolett.6b00868
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