DOI: 10.1002/adfm.201102028. Gold Coating of Silver Nanoprisms

10.1002/adfm.201102028

Crossref journal-article

Wiley

Advanced Functional Materials (311)

Abstract

AbstractCore–shell Ag@Au nanoprisms are prepared through a surfactant‐free seed‐mediated approach by taking advantage of the anisotropic structure of silver nanoprisms as seeds. The gold coating on the silver nanoprism surface is achieved by using hydroxylamine as a mild reducing agent, and the final fully gold‐coated prism structures are confirmed by microscopic and spectroscopic characterization. The resulting Ag@Au core–shell structure preserves the optical signatures of nanoprisms and offers versatile functionality and particularly better stability against oxidation than the bare silver nanoprism. The surface plasmon resonances of the core–shell Ag@Au nanoprisms can be tuned throughout the visible and near‐IR range as a function of the Au shell thickness. Such tailorable optical features and surfactant‐free gold shells have great potential applications in biosensing and bioimaging.

Bibliography

Shahjamali, M. M., Bosman, M., Cao, S., Huang, X., Saadat, S., Martinsson, E., Aili, D., Tay, Y. Y., Liedberg, B., Loo, S. C. J., Zhang, H., Boey, F., & Xue, C. (2012). Gold Coating of Silver Nanoprisms. Advanced Functional Materials, 22(4), 849â854. Portico.

Authors 13

Mohammad Mehdi Shahjamali (first)
Michel Bosman (additional)
Shaowen Cao (additional)
Xiao Huang (additional)
Somaye Saadat (additional)
Erik Martinsson (additional)
Daniel Aili (additional)
Yee Yan Tay (additional)
Bo Liedberg (additional)
Say Chye Joachim Loo (additional)
Hua Zhang (additional)
Freddy Boey (additional)
Can Xue (additional)

References 37 Referenced 121

Dates

Type	When
Created	13 years, 7 months ago (Jan. 9, 2012, 6:12 a.m.)
Deposited	1 year, 10 months ago (Oct. 11, 2023, 1:47 p.m.)
Indexed	1 week ago (Aug. 28, 2025, 8:41 a.m.)
Issued	13 years, 7 months ago (Jan. 9, 2012)
Published	13 years, 7 months ago (Jan. 9, 2012)
Published Online	13 years, 7 months ago (Jan. 9, 2012)
Published Print	13 years, 6 months ago (Feb. 22, 2012)

Funders 0

None

BibTeX

@article{Shahjamali_2012, title={Gold Coating of Silver Nanoprisms}, volume={22}, ISSN={1616-3028}, url={http://dx.doi.org/10.1002/adfm.201102028}, DOI={10.1002/adfm.201102028}, number={4}, journal={Advanced Functional Materials}, publisher={Wiley}, author={Shahjamali, Mohammad Mehdi and Bosman, Michel and Cao, Shaowen and Huang, Xiao and Saadat, Somaye and Martinsson, Erik and Aili, Daniel and Tay, Yee Yan and Liedberg, Bo and Loo, Say Chye Joachim and Zhang, Hua and Boey, Freddy and Xue, Can}, year={2012}, month=jan, pages={849–854} }

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