The DOI matches its Crossref record; 29 of the 29 references it cites were found in a registry or an index.
Metal−Organic Framework Thin Film for Enhanced Localized Surface Plasmon Resonance Gas Sensing
Abstract
Despite its high refractive index sensitivity, localized surface plasmon resonance (LSPR) spectroscopy has been generally restricted to large biological analytes. Sensing of smaller molecules is a compelling target for this technique; in particular, LSPR spectroscopy could be utilized to detect hazardous or toxic gases and manage industrial processes involving gaseous chemicals. Here, we report sensing of pure gases over Ag nanoparticles using LSPR spectroscopy, where the detected changes in bulk refractive index are <5 × 10(-4) refractive index units (RIU). We further demonstrate a novel strategy for amplifying the sensing signal by coating the plasmonic substrate with a metal-organic framework (MOF) material. Cu(3)(BTC)(2)(H(2)O)(3), BTC = benzenetricarboxylate, was grown on Ag nanoparticles using a layer-by-layer method in order to control the MOF thickness, which we show greatly affects the sensor response. Preferential concentration of CO(2) within the MOF pores produces a 14-fold signal enhancement for CO(2) sensing. In principle, MOFs can be tailored for sorbing different analytes, making them ideal materials for this amplification strategy. Because the sensing signal originates in the nanoparticle extinction spectrum and not in the MOF itself, this comprises a generalizable sensing scheme applicable to any porous MOF and any analyte.
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Cites
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Self-citationBiosensing with plasmonic nanosensors
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Self-citationLocalized Surface Plasmon Resonance Spectroscopy and Sensing
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Cited by
MOF positioning technology and device fabrication
Falcaro, P., Ricco, R., Doherty, C. M., Liang, K., Hill, A. J., & Styles, M. J. (2014) · Chem. Soc. Rev. · doi:10.1039/c4cs00089g · Cited by 710
Facile “Modular Assembly” for Fast Construction of a Highly Oriented Crystalline MOF Nanofilm
Xu, G., Yamada, T., Otsubo, K., Sakaida, S., & Kitagawa, H. (2012) · Journal of the American Chemical Society · doi:10.1021/ja307953m · Cited by 353
Gas identification with graphene plasmons
Hu, H., Yang, X., Guo, X., Khaliji, K., Biswas, S. R., García de Abajo, F. J., Low, T., Sun, Z., & Dai, Q. (2019) · Nature Communications · doi:10.1038/s41467-019-09008-0 · Cited by 225
All-Dielectric Surface-Enhanced Infrared Absorption-Based Gas Sensor Using Guided Resonance
Chang, Y., Hasan, D., Dong, B., Wei, J., Ma, Y., Zhou, G., Ang, K. W., & Lee, C. (2018) · ACS Applied Materials & Interfaces · doi:10.1021/acsami.8b16623 · Cited by 115
Metadata
- Authors
- Kreno, L. E., Hupp, J. T., & Van Duyne, R. P.
- Venue
- Analytical Chemistry
- Publisher
- American Chemical Society (ACS)
- Published
- 2010-09-14
- Volume
- 82
- Issue
- 19
- Pages
- 8042-8046
- ISSN
- 0003-2700 (ISSN-L)
- 1520-6882
- OpenAlex
- W2323506142
- Cited by
- 367
- References
- 29
- FWCI
- 11.95
- Type
- journal article
- Language
- en
- Open access
- closed
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- Kreno, L. E., Hupp, J. T., & Van Duyne, R. P. (2010). Metal−Organic Framework Thin Film for Enhanced Localized Surface Plasmon Resonance Gas Sensing. Analytical Chemistry. https://doi.org/10.1021/ac102127p
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