The DOI matches its Crossref record; 26 of the 26 references it cites were found in a registry or an index.
Determination of the Distance Dependence and Experimental Effects for Modified SERS Substrates Based on Self-Assembled Monolayers Formed Using Alkanethiols
Abstract
Modified SERS (surface-enhanced Raman scattering) substrates are based on self-assembled monolayers (SAMs) formed from compounds such as alkanethiols. Chain lengths ranging from ethanethiol to octadecanethiol were used to investigate properties of modified SERS substrates. These properties include determining the magnitude of the SERS electromagnetic enhancement, developing a sensitivity factor for detecting aromatic compounds, and evaluating SERS substrates for performance characteristics such as stability and solvent effects. A SERS electromagnetic enhancement was determined to be 2.1 × 10 3 for detecting aromatic compounds. The effects of experimental conditions on the SERS detection process were addressed. SERS sensitivity was shown to be highly dependent upon a correlation between the SERS interfacial distance dependence and a hydrophobic effect exhibited by the alkyl chain of the thiol. The distance dependence was more significant than the hydrophobic effect for detecting aromatic compounds. For comparison to the electromagnetic enhancement, a SERS sensitivity factor was determined for detecting benzene in water and in organic solvents. Experimental stability issues, such as solvent and laser exposure, were shown to affect the sensitivity of modified SERS substrates. 1-Propanethiol exhibited the strongest sensitivity and stability under all solvent and experimental conditions.
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Cites
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Surface-Enhanced Raman Spectroscopy
Stiles, P. L., Dieringer, J. A., Shah, N. C., & Van Duyne, R. P. (2008) · Annual Review of Analytical Chemistry · doi:10.1146/annurev.anchem.1.031207.112814 · Cited by 3,178
Surface-Enhanced Raman Spectroscopy
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Nanostructured Surfaces and Assemblies as SERS Media
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Controlled Plasmonic Nanostructures for Surface-Enhanced Spectroscopy and Sensing
Camden, J. P., Dieringer, J. A., Zhao, J., & Van Duyne, R. P. (2008) · Accounts of Chemical Research · doi:10.1021/ar800041s · Cited by 730
Locally enhanced Raman spectroscopy with an atomic force microscope
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Toward a Glucose Biosensor Based on Surface-Enhanced Raman Scattering
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SERS as a bioassay platform: fundamentals, design, and applications
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Highly Raman‐Enhancing Substrates Based on Silver Nanoparticle Arrays with Tunable Sub‐10 nm Gaps
Wang, H. ‐., Liu, C. ‐., Wu, S. ‐., Liu, N. ‐., Peng, C. ‐., Chan, T. ‐., Hsu, C. ‐., Wang, J. ‐., & Wang, Y. ‐. (2006) · Advanced Materials · doi:10.1002/adma.200501875 · Cited by 478
In Vivo Glucose Measurement by Surface-Enhanced Raman Spectroscopy
Stuart, D. A., Yuen, J. M., Shah, N., Lyandres, O., Yonzon, C. R., Glucksberg, M. R., Walsh, J. T., & Van Duyne, R. P. (2006) · Analytical Chemistry · doi:10.1021/ac061238u · Cited by 358
Metadata
- Authors
- Kennedy, B. J., Spaeth, S., Dickey, M., & Carron, K. T.
- Venue
- The Journal of Physical Chemistry B
- Publisher
- American Chemical Society (ACS)
- Published
- 1999-04-15
- Volume
- 103
- Issue
- 18
- Pages
- 3640-3646
- ISSN
- 1520-5207 (ISSN-L)
- 1520-6106
- OpenAlex
- W2025341110
- Cited by
- 272
- References
- 26
- FWCI
- 3.56
- Type
- journal article
- Language
- en
- Open access
- closed
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