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Selective Adsorption of Thiol Molecules at Sulfur Vacancies on MoS2(0001), Followed by Vacancy Repair via S–C Dissociation
Abstract
For the development of various molecular nanostructures such as single-molecule electronic circuits, it is very important to fix the molecular components at predetermined positions on a substrate. We report the fixation of the thiol derivatives dodecanethiol and (3-mercaptopropyl)trimethoxysilane (MPS) on a MoS 2 (0001) substrate at prefabricated sulfur vacancies. Scanning tunneling microscopy (STM) reveals the selective bonding of thiol groups to the Mo atoms at the vacancy defects. In addition, we report STM tip-induced dissociation of the S–C bond, which essentially results in the repair of the vacancy defects with sulfur atoms from the thiols. This is consistent with the high desulfurization reactivity of MoS 2 . Because of its structure and composition, MPS has a higher dissociation reactivity than that of dodecanethiol.
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Cited by
MoS2 monolayer catalyst doped with isolated Co atoms for the hydrodeoxygenation reaction
Liu, G., Robertson, A. W., Li, M. M.-J., Kuo, W. C. H., Darby, M. T., Muhieddine, M. H., Lin, Y.-C., Suenaga, K., Stamatakis, M., Warner, J. H., et al. (2017) · Nature Chemistry · doi:10.1038/nchem.2740 · Cited by 914
All The Catalytic Active Sites of MoS 2 for Hydrogen Evolution
Li, G., Zhang, D., Qiao, Q., Yu, Y., Peterson, D., Zafar, A., Kumar, R., Curtarolo, S., Hunte, F., Shannon, S., et al. (2016) · Journal of the American Chemical Society · doi:10.1021/jacs.6b05940 · Cited by 829
Schmidt, H., Giustiniano, F., & Eda, G. (2015) · Chemical Society Reviews · doi:10.1039/c5cs00275c · Cited by 466
Analyzing the Carrier Mobility in Transition‐Metal Dichalcogenide MoS2 Field‐Effect Transistors
Yu, Z., Ong, Z., Li, S., Xu, J., Zhang, G., Zhang, Y., Shi, Y., & Wang, X. (2017) · Advanced Functional Materials · doi:10.1002/adfm.201604093 · Cited by 426
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Metadata
- Authors
- Makarova, M., Okawa, Y., & Aono, M.
- Venue
- The Journal of Physical Chemistry C
- Publisher
- American Chemical Society (ACS)
- Published
- 2012-10-11
- Volume
- 116
- Issue
- 42
- Pages
- 22411-22416
- ISSN
- 1932-7447 (ISSN-L)
- 1932-7455
- OpenAlex
- W2321207938
- Cited by
- 163
- References
- 0
- FWCI
- 2.44
- Type
- journal article
- Language
- en
- Open access
- closed
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- Makarova, M., Okawa, Y., & Aono, M. (2012). Selective Adsorption of Thiol Molecules at Sulfur Vacancies on MoS2(0001), Followed by Vacancy Repair via S–C Dissociation. The Journal of Physical Chemistry C. https://doi.org/10.1021/jp307267h
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