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Two-Dimensional Titanium Nitride (Ti2N) MXene: Synthesis, Characterization, and Potential Application as Surface-Enhanced Raman Scattering Substrate
Abstract
We report on the synthesis, characterization, and application of Ti 2 N (MXene), a two-dimensional transition metal nitride of M 2 X type. Synthesis of nitride-based MXenes (M n +1 N n ) is difficult due to their higher formation energy from M n +1 AN n and poor stability of M n +1 N n layers in the etchant employed, typically HF. Herein, the selective etching of Al from ternary layered transition metal nitride Ti 2 AlN (MAX) and intercalation were achieved by immersing the powder in a mixture of potassium fluoride and hydrochloric acid. The multilayered Ti 2 NT x (T is the surface termination) obtained was sonicated in DMSO and centrifuged to obtain few-layered Ti 2 NT x . MXene formation was verified, and the material was completely characterized by Raman spectroscopy, XRD, XPS, FESEM-EDS, TEM, STM, and AFM techniques. Surface-enhanced Raman scattering (SERS) activity of the synthesized Ti 2 NT x was investigated by fabricating paper, silicon, and glass-based SERS substrates. A Raman enhancement factor of 10 12 was demonstrated using rhodamine 6G as the model compound with 532 nm excitation wavelength. Detection of trace level explosives with a simple paper-based SERS substrate with Ti 2 N (MXene) as active material was also illustrated.
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Cites
Geim, A. K., & Novoselov, K. S. (2007) · Nature Materials · doi:10.1038/nmat1849 · Cited by 39,979
Electronics and optoelectronics of two-dimensional transition metal dichalcogenides
Wang, Q. H., Kalantar-Zadeh, K., Kis, A., Coleman, J. N., & Strano, M. S. (2012) · Nature Nanotechnology · doi:10.1038/nnano.2012.193 · Cited by 16,374
Cited by
Ten Years of Progress in the Synthesis and Development of MXenes
Naguib, M., Barsoum, M. W., & Gogotsi, Y. (2021) · Advanced Materials · doi:10.1002/adma.202103393 · Cited by 1,257
Transition metal nitrides for electrochemical energy applications
Wang, H., Li, J., Li, K., Lin, Y., Chen, J., Gao, L., Nicolosi, V., Xiao, X., & Lee, J.-M. (2021) · Chemical Society Reviews · doi:10.1039/d0cs00415d · Cited by 983
Jiang, X., Kuklin, A. V., Baev, A., Ge, Y., Ågren, H., Zhang, H., & Prasad, P. N. (2020) · Physics Reports · doi:10.1016/j.physrep.2019.12.006 · Cited by 914
MXenes: An Introduction of Their Synthesis, Select Properties, and Applications
Verger, L., Natu, V., Carey, M., & Barsoum, M. W. (2019) · Trends in Chemistry · doi:10.1016/j.trechm.2019.04.006 · Cited by 499
Zhang, Q., Yi, G., Fu, Z., Yu, H., Chen, S., & Quan, X. (2019) · ACS Nano · doi:10.1021/acsnano.9b06180 · Cited by 420
Metadata
- Authors
- Soundiraraju, B., & George, B. K.
- Venue
- ACS Nano
- Publisher
- American Chemical Society (ACS)
- Published
- 2017-09-05
- Volume
- 11
- Issue
- 9
- Pages
- 8892-8900
- ISSN
- 1936-0851 (ISSN-L)
- 1936-086X
- OpenAlex
- W2750572535
- Cited by
- 754
- References
- 2
- FWCI
- 15.81
- Type
- journal article
- Language
- en
- Open access
- closed
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- Soundiraraju, B., & George, B. K. (2017). Two-Dimensional Titanium Nitride (Ti2N) MXene: Synthesis, Characterization, and Potential Application as Surface-Enhanced Raman Scattering Substrate. ACS Nano. https://doi.org/10.1021/acsnano.7b03129
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