The DOI matches its Crossref record; 12 of the 12 references it cites were found in a registry or an index.
Tuning the Basal Plane Functionalization of Two-Dimensional Metal Carbides (MXenes) To Control Hydrogen Evolution Activity
Abstract
Hydrogen evolution reaction (HER) via electrocatalysis is one method of enabling sustainable production of molecular hydrogen as a clean and promising energy carrier. Previous theoretical and experimental results have shown that some two-dimensional (2D) transition metal carbides (MXenes) can be effective electrocatalysts for the HER, based on the assumption that they are functionalized entirely with oxygen or hydroxyl groups on the basal plane. However, it is known that MXenes can contain other basal plane functionalities, e.g., fluorine, due to the synthesis process, yet the influence of fluorine termination on their HER activity remains unexplored. In this paper, we investigate the role and effect of basal plane functionalization (T x ) on the HER activity of 5 different MXenes using a combination of experimental and theoretical approaches. We first studied Ti 3 C 2 T x produced by different fluorine-containing etchants and found that those with higher fluorine coverage on the basal plane exhibited lower HER activity. We then controllably prepared Mo 2 CT x with very low basal plane fluorine coverage, achieving a geometric current density of −10 mA cm –2 at 189 mV overpotential in acid. More importantly, our results indicate that the oxygen groups on the basal planes of Mo 2 CT x are catalytically active toward the HER, unlike in the case of widely studied 2H-phase transition metal dichalcogenides such as MoS 2, in which only the edge sites are active. These results pave the way for the rational design of 2D materials for either the HER, when minimal overpotential is desired, or for energy storage, when maximum voltage window is needed.
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Cites
Combining theory and experiment in electrocatalysis: Insights into materials design
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Self-citationIdentification of Active Edge Sites for Electrochemical H 2 Evolution from MoS 2 Nanocatalysts
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Design of electrocatalysts for oxygen- and hydrogen-involving energy conversion reactions
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MoS 2 Nanoparticles Grown on Graphene: An Advanced Catalyst for the Hydrogen Evolution Reaction
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Biomimetic Hydrogen Evolution: MoS 2 Nanoparticles as Catalyst for Hydrogen Evolution
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Two-Dimensional Molybdenum Carbide (MXene) as an Efficient Electrocatalyst for Hydrogen Evolution
Seh, Z. W., Fredrickson, K. D., Anasori, B., Kibsgaard, J., Strickler, A. L., Lukatskaya, M. R., Gogotsi, Y., Jaramillo, T. F., & Vojvodic, A. (2016) · ACS Energy Letters · doi:10.1021/acsenergylett.6b00247 · Cited by 1,482
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2D MXenes: A New Family of Promising Catalysts for the Hydrogen Evolution Reaction
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First-row transition metal dichalcogenide catalysts for hydrogen evolution reaction
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Cited by
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
Pang, S.-Y., Wong, Y.-T., Yuan, S., Liu, Y., Tsang, M.-K., Yang, Z., Huang, H., Wong, W.-T., & Hao, J. (2019) · Journal of the American Chemical Society · doi:10.1021/jacs.9b02578 · Cited by 835
Oxygen‐Functionalized Ultrathin Ti 3 C 2 T x MXene for Enhanced Electrocatalytic Hydrogen Evolution
Jiang, Y., Sun, T., Xie, X., Jiang, W., Li, J., Tian, B., & Su, C. (2019) · ChemSusChem · doi:10.1002/cssc.201803032 · Cited by 367
2D Laminar Membranes for Selective Water and Ion Transport
Kang, Y., Xia, Y., Wang, H., & Zhang, X. (2019) · Advanced Functional Materials · doi:10.1002/adfm.201902014 · Cited by 325
MXene Nanofibers as Highly Active Catalysts for Hydrogen Evolution Reaction
Yuan, W., Cheng, L., An, Y., Wu, H., Yao, N., Fan, X., & Guo, X. (2018) · ACS Sustainable Chemistry & Engineering · doi:10.1021/acssuschemeng.8b01348 · Cited by 285
Metadata
- Authors
- Handoko, A. D., Fredrickson, K. D., Anasori, B., Convey, K. W., Johnson, L. R., Gogotsi, Y., Vojvodic, A., & Seh, Z. W.
- Venue
- ACS Applied Energy Materials
- Publisher
- American Chemical Society (ACS)
- Published
- 2017-12-20
- Volume
- 1
- Issue
- 1
- Pages
- 173-180
- ISSN
- 2574-0962 (ISSN-L)
- OpenAlex
- W2779291366
- Cited by
- 442
- References
- 12
- FWCI
- 7.19
- Type
- journal article
- Language
- en
- Open access
- closed
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