DOI: 10.1366/0003702944029776. Near-Infrared Surface-Enhanced Raman Scattering (NIR SERS) on Colloidal Silver and Gold

Near-Infrared Surface-Enhanced Raman Scattering (NIR SERS) on Colloidal Silver and Gold

10.1366/0003702944029776

Crossref journal-article

SAGE Publications

Applied Spectroscopy (179)

Abstract

Near-infrared surface-enhanced Raman scattering (NIR SERS) was detected with high sensitivity for two model compounds, crystal violet and the DNA base adenine, adsorbed on silver and gold colloidal particles in aqueous solutions. The NIR SERS spectra were measured with a fiber-optic probe with the use of a Ti:sapphire laser at 850 nm as the excitation source and a charge-coupled device (CCD) as the detection system. In a step to achieve the optimal electromagnetic SERS-enhancement conditions, silver and gold sols were modified to shift their extinction spectra more to the NIR region. Surface enhancement factors for both crystal violet and adenine were estimated to be on the order of 106 and 108 for gold and silver, respectively. A larger enhancement factor was observed for adenine with NIR excitation than with visible excitation. The benefits of NIR SERS and its potential applications are discussed.

Bibliography

Kneipp, K., Dasari, R. R., & Wang, Y. (1994). Near-Infrared Surface-Enhanced Raman Scattering (NIR SERS) on Colloidal Silver and Gold. Applied Spectroscopy, 48(8), 951â955.

Authors 3

Katrin Kneipp (first)
Ramachandra R. Dasari (additional)
Yang Wang (additional)

References 31 Referenced 99

10.1366/0003702894202940
10.1002/jrs.1250220903
10.1002/jrs.1250220904
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Angel S. M. and Myrick M. L, in Handbook of Near-Infrared Analysis, Burns D. A. and Ciurczak E. W, Eds. (Marcel Dekker, New York, 1992), p. 225.
10.1016/0009-2614(93)89028-G
10.1016/0009-2614(93)89340-N
10.1021/ja00210a016
10.1366/0003702924125555
Otto A., in Topics in Applied Physics, Vol. 54, Light Scattering in Solids, Cardona M. and Güntherodt G, Eds. (Springer, Berlin, 1984), Vol. 4, p. 289.
10.1021/j100214a025
10.1007/978-1-4615-9257-0_16
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{'key': 'bibr16-0003702944029776', 'first-page': '339', 'volume': '36', 'author': 'Baranov A. V.', 'year': '1982', 'journal-title': 'JETP Lett.'} / JETP Lett. by Baranov A. V. (1982)
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10.1021/j100287a028
{'key': 'bibr28-0003702944029776', 'first-page': '1977', 'volume': '24', 'author': 'Wang D. S.', 'year': '1981', 'journal-title': 'Phys. Rev.'} / Phys. Rev. by Wang D. S. (1981)
10.1103/PhysRevB.27.7251
10.1016/B978-0-08-054721-3.50017-4
10.1021/j100173a048

Dates

Type	When
Created	20 years, 2 months ago (May 31, 2005, 7:36 p.m.)
Deposited	5 months, 2 weeks ago (March 10, 2025, 6:12 p.m.)
Indexed	5 months ago (March 22, 2025, 4:50 a.m.)
Issued	31 years ago (Aug. 1, 1994)
Published	31 years ago (Aug. 1, 1994)
Published Online	31 years ago (Aug. 1, 1994)
Published Print	31 years ago (Aug. 1, 1994)

Funders 0

None

BibTeX

@article{Kneipp_1994, title={Near-Infrared Surface-Enhanced Raman Scattering (NIR SERS) on Colloidal Silver and Gold}, volume={48}, ISSN={1943-3530}, url={http://dx.doi.org/10.1366/0003702944029776}, DOI={10.1366/0003702944029776}, number={8}, journal={Applied Spectroscopy}, publisher={SAGE Publications}, author={Kneipp, Katrin and Dasari, Ramachandra R. and Wang, Yang}, year={1994}, month=aug, pages={951–955} }

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