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Fluorine‐Free Synthesis of High‐Purity Ti3C2Tx (T=OH, O) via Alkali Treatment
Abstract
MXenes, 2D compounds generated from layered bulk materials, have attracted significant attention in energy‐related fields. However, most syntheses involve HF, which is highly corrosive and harmful to lithium‐ion battery and supercapacitor performance. Here an alkali‐assisted hydrothermal method is used to prepare a MXene Ti 3 C 2 Tx (T=OH, O). This route is inspired from a Bayer process used in bauxite refining. The process is free of fluorine and yields multilayer Ti 3 C 2 Tx with ca. 92 wt % in purity (using 27.5 m NaOH, 270 °C). Without the F terminations, the resulting Ti 3 C 2 Tx film electrode (ca. 52 μm in thickness, ca. 1.63 g cm−3 in density) is 314 F g−1 via gravimetric capacitance at 2 mV s−1 in 1 m H 2 SO 4. This surpasses (by ca. 214 %) that of the multilayer Ti 3 C 2 Tx prepared via HF treatments. This fluorine‐free method also provides an alkali‐etching strategy for exploring new MXenes for which the interlayer amphoteric/acidic atoms from the pristine MAX phase must be removed.
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Cites
Photodetectors based on graphene, other two-dimensional materials and hybrid systems
Koppens, F. H. L., Mueller, T., Avouris, P., Ferrari, A. C., Vitiello, M. S., & Polini, M. (2014) · Nature Nanotechnology · doi:10.1038/nnano.2014.215 · Cited by 3,828
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
Emerging 2D MXenes for supercapacitors: status, challenges and prospects
Hu, M., Zhang, H., Hu, T., Fan, B., Wang, X., & Li, Z. (2020) · Chemical Society Reviews · doi:10.1039/d0cs00175a · Cited by 828
Ti3C2TX MXene for Sensing Applications: Recent Progress, Design Principles, and Future Perspectives
Pei, Y., Zhang, X., Hui, Z., Zhou, J., Huang, X., Sun, G., & Huang, W. (2021) · ACS Nano · doi:10.1021/acsnano.1c00248 · Cited by 799
Fluoride‐Free Synthesis of Two‐Dimensional Titanium Carbide (MXene) Using A Binary Aqueous System
Yang, S., Zhang, P., Wang, F., Ricciardulli, A. G., Lohe, M. R., Blom, P. W. M., & Feng, X. (2018) · Angewandte Chemie International Edition · doi:10.1002/anie.201809662 · Cited by 788
Synthesis, structure, properties and applications of MXenes: Current status and perspectives
Ronchi, R. M., Arantes, J. T., & Santos, S. F. (2019) · Ceramics International · doi:10.1016/j.ceramint.2019.06.114 · Cited by 698
Metadata
- Authors
- Li, T., Yao, L., Liu, Q., Gu, J., Luo, R., Li, J., Yan, X., Wang, W., Liu, P., Chen, B., Zhang, W., Abbas, W., Naz, R., & Zhang, D.
- Venue
- Angewandte Chemie
- Publisher
- Wiley
- Published
- 2018-04-25
- Volume
- 130
- Issue
- 21
- Pages
- 6223-6227
- ISSN
- 0044-8249 (ISSN-L)
- 1521-3757
- OpenAlex
- W4242273645
- Cited by
- 338
- References
- 1
- FWCI
- 26.02
- Type
- journal article
- Language
- en
- Open access
- closed
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- Li, T., Yao, L., Liu, Q., Gu, J., Luo, R., Li, J., Yan, X., Wang, W., Liu, P., Chen, B., Zhang, W., Abbas, W., Naz, R., & Zhang, D. (2018). Fluorine‐Free Synthesis of High‐Purity Ti3C2Tx (T=OH, O) via Alkali Treatment. Angewandte Chemie. https://doi.org/10.1002/ange.201800887
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