The DOI matches its Crossref record; 9 of the 9 references it cites were found in a registry or an index.
Pristine Basal‐ and Edge‐Plane‐Oriented Molybdenite MoS2 Exhibiting Highly Anisotropic Properties
Abstract
The layered structure of molybdenum disulfide (MoS 2) is structurally similar to that of graphite, with individual sheets strongly covalently bonded within but held together through weak van der Waals interactions. This results in two distinct surfaces of MoS 2: basal and edge planes. The edge plane was theoretically predicted to be more electroactive than the basal plane, but evidence from direct experimental comparison is elusive. Herein, the first study comparing the two surfaces of MoS 2 by using macroscopic crystals is presented. A careful investigation of the electrochemical properties of macroscopic MoS 2 pristine crystals with precise control over the exposure of one plane surface, that is, basal plane or edge plane, was performed. These crystals were characterized thoroughly by AFM, Raman spectroscopy, X‐ray photoelectron spectroscopy, voltammetry, digital simulation, and DFT calculations. In the Raman spectra, the basal and edge planes show anisotropy in the preferred excitation of E 2g and A 1g phonon modes, respectively. The edge plane exhibits a much larger heterogeneous electron transfer rate constant k0 of 4.96×10−5 and 1.1×10−3 cm s−1 for [Fe(CN)6]3−/4− and [Ru(NH 3)6]3+/2+ redox probes, respectively, compared to the basal plane, which yielded k0 tending towards zero for [Fe(CN)6]3−/4− and about 9.3×10−4 cm s−1 for [Ru(NH 3)6]3+/2+. The industrially important hydrogen evolution reaction follows the trend observed for [Fe(CN)6]3−/4− in that the basal plane is basically inactive. The experimental comparison of the edge and basal planes of MoS 2 crystals is supported by DFT calculations.
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Citations
Cites
Identification of Active Edge Sites for Electrochemical H 2 Evolution from MoS 2 Nanocatalysts
Jaramillo, T. F., Jørgensen, K. P., Bonde, J., Nielsen, J. H., Horch, S., & Chorkendorff, I. (2007) · Science · doi:10.1126/science.1141483 · Cited by 6,100
MoS 2 Nanoparticles Grown on Graphene: An Advanced Catalyst for the Hydrogen Evolution Reaction
Li, Y., Wang, H., Xie, L., Liang, Y., Hong, G., & Dai, H. (2011) · Journal of the American Chemical Society · doi:10.1021/ja201269b · Cited by 5,001
Alternative energy technologies
Dresselhaus, M. S., & Thomas, I. L. (2001) · Nature · doi:10.1038/35104599 · Cited by 4,894
Biomimetic Hydrogen Evolution: MoS 2 Nanoparticles as Catalyst for Hydrogen Evolution
Hinnemann, B., Moses, P. G., Bonde, J., Jørgensen, K. P., Nielsen, J. H., Horch, S., Chorkendorff, I., & Nørskov, J. K. (2005) · Journal of the American Chemical Society · doi:10.1021/ja0504690 · Cited by 4,065
Kibsgaard, J., Chen, Z., Reinecke, B. N., & Jaramillo, T. F. (2012) · Nature Materials · doi:10.1038/nmat3439 · Cited by 3,234
Synthesis of MoS 2 and MoSe 2 Films with Vertically Aligned Layers
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MoSe 2 and WSe 2 Nanofilms with Vertically Aligned Molecular Layers on Curved and Rough Surfaces
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Cited by
Voiry, D., Yang, J., & Chhowalla, M. (2016) · Advanced Materials · doi:10.1002/adma.201505597 · Cited by 949
Electrochemistry of Nanostructured Layered Transition-Metal Dichalcogenides
Chia, X., Eng, A. Y. S., Ambrosi, A., Tan, S. M., & Pumera, M. (2015) · Chemical Reviews · doi:10.1021/acs.chemrev.5b00287 · Cited by 894
Self-citationLiu, X., Xing, Z., Zhang, Y., Li, Z., Wu, X., Tan, S., Yu, X., Zhu, Q., & Zhou, W. (2017) · Applied Catalysis B: Environmental · doi:10.1016/j.apcatb.2016.08.031 · Cited by 367
Self-citationGuo, J., Zhu, H., Sun, Y., Tang, L., & Zhang, X. (2016) · Electrochimica Acta · doi:10.1016/j.electacta.2016.05.148 · Cited by 83
Phu, T. K. C., Le, N. N., Tran, T. N., Vuong, T. T. T., Nguyen, H.-D., Phung, T. V. B., Le, P.-A., & Nguyen, P. L. (2024) · ACS Applied Energy Materials · doi:10.1021/acsaem.4c01791 · Cited by 10
Metadata
- Authors
- Tan, S. M., Ambrosi, A., Sofer, Z., Huber, Š., Sedmidubský, D., & Pumera, M.
- Venue
- Chemistry – A European Journal
- Publisher
- Wiley
- Published
- 2015-03-27
- Volume
- 21
- Issue
- 19
- Pages
- 7170-7178
- ISSN
- 0947-6539 (ISSN-L)
- 1521-3765
- OpenAlex
- W2105431973
- Cited by
- 171
- References
- 9
- FWCI
- 7.59
- Type
- journal article
- Language
- en
- Open access
- closed
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- Tan, S. M., Ambrosi, A., Sofer, Z., Huber, Š., Sedmidubský, D., & Pumera, M. (2015). Pristine Basal‐ and Edge‐Plane‐Oriented Molybdenite MoS2 Exhibiting Highly Anisotropic Properties. Chemistry – A European Journal. https://doi.org/10.1002/chem.201500435
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