The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.
Far-field nanoscale infrared spectroscopy of vibrational fingerprints of molecules with graphene plasmons
Open accessAbstract
Infrared spectroscopy, especially for molecular vibrations in the fingerprint region between 600 and 1,500 cm−1, is a powerful characterization method for bulk materials. However, molecular fingerprinting at the nanoscale level still remains a significant challenge, due to weak light–matter interaction between micron-wavelengthed infrared light and nano-sized molecules. Here we demonstrate molecular fingerprinting at the nanoscale level using our specially designed graphene plasmonic structure on CaF 2 nanofilm. This structure not only avoids the plasmon–phonon hybridization, but also provides in situ electrically-tunable graphene plasmon covering the entire molecular fingerprint region, which was previously unattainable. In addition, undisturbed and highly confined graphene plasmon offers simultaneous detection of in-plane and out-of-plane vibrational modes with ultrahigh detection sensitivity down to the sub-monolayer level, significantly pushing the current detection limit of far-field mid-infrared spectroscopies. Our results provide a platform, fulfilling the long-awaited expectation of high sensitivity and selectivity far-field fingerprint detection of nano-scale molecules for numerous applications.
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Cites
Mid-infrared plasmonic biosensing with graphene
Rodrigo, D., Limaj, O., Janner, D., Etezadi, D., García de Abajo, F. J., Pruneri, V., & Altug, H. (2015) · Science · doi:10.1126/science.aab2051 · Cited by 1,462
Adato, R., & Altug, H. (2013) · Nature Communications · doi:10.1038/ncomms3154 · Cited by 406
Infrared Plasmonic Biosensor for Real-Time and Label-Free Monitoring of Lipid Membranes
Limaj, O., Etezadi, D., Wittenberg, N. J., Rodrigo, D., Yoo, D., Oh, S.-H., & Altug, H. (2016) · Nano Letters · doi:10.1021/acs.nanolett.5b05316 · Cited by 196
Cited by
Polaritons in layered two-dimensional materials
Low, T., Chaves, A., Caldwell, J. D., Kumar, A., Fang, N. X., Avouris, P., Heinz, T. F., Guinea, F., Martin-Moreno, L., & Koppens, F. (2017) · Nature Materials · doi:10.1038/nmat4792 · Cited by 1,317
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
Self-citationZhou, H., Hui, X., Li, D., Hu, D., Chen, X., He, X., Gao, L., Huang, H., Lee, C., & Mu, X. (2020) · Advanced Science · doi:10.1002/advs.202001173 · Cited by 136
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Metadata
- Authors
- Hu, H., Yang, X., Zhai, F., Hu, D., Liu, R., Liu, K., Sun, Z., & Dai, Q.
- Venue
- Nature Communications
- Published
- 2016-07-27
- Volume
- 7
- Issue
- 1
- Pages
- 12334-12334
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W2467481890
- Cited by
- 322
- References
- 3
- FWCI
- 17.78
- Type
- journal article
- Language
- en
- Open access
- gold
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- Hu, H., Yang, X., Zhai, F., Hu, D., Liu, R., Liu, K., Sun, Z., & Dai, Q. (2016). Far-field nanoscale infrared spectroscopy of vibrational fingerprints of molecules with graphene plasmons. Nature Communications. https://doi.org/10.1038/ncomms12334
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