DOI: 10.1002/anie.201510219. Functionalization of Two‐Dimensional MoS<sub>2</sub>: On the Reaction Between MoS<sub>2</sub> and Organic Thiols

Functionalization of Two‐Dimensional MoS2: On the Reaction Between MoS2 and Organic Thiols

10.1002/anie.201510219

Crossref journal-article

Wiley

Angewandte Chemie International Edition (311)

Abstract

AbstractTwo‐dimensional layered transition metal dichalcogenides (TMDs) have attracted great interest owing to their unique properties and a wide array of potential applications. However, due to their inert nature, pristine TMDs are very challenging to functionalize. We demonstrate a general route to functionalize exfoliated 2H‐MoS2 with cysteine. Critically, MoS2 was found to be facilitating the oxidation of the thiol cysteine to the disulfide cystine during functionalization. The resulting cystine was physisorbed on MoS2 rather than coordinated as a thiol (cysteine) filling S‐vacancies in the 2H‐MoS2 surface, as originally conceived. These observations were found to be true for other organic thiols and indeed other TMDs. Our findings suggest that functionalization of two‐dimensional MoS2 using organic thiols may not yield covalently or datively tethered functionalities, rather, in this instance, they yield physisorbed disulfides that are easily removed.

Bibliography

Chen, X., Berner, N. C., Backes, C., Duesberg, G. S., & McDonald, A. R. (2016). Functionalization of TwoâDimensional MoS2: On the Reaction Between MoS2 and Organic Thiols. Angewandte Chemie International Edition, 55(19), 5803â5808. Portico.

Authors 5

Xin Chen (first)
Nina C. Berner (additional)
Claudia Backes (additional)
Georg S. Duesberg (additional)
Aidan R. McDonald (additional)

References 50 Referenced 235

10.1021/la049887t
10.1038/nnano.2010.279
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{'key': 'e_1_2_2_34_1', 'first-page': '6224', 'volume': '27', 'author': 'Nguyen E. P.', 'year': '2015', 'journal-title': 'Adv. Mater.'} / Adv. Mater. by Nguyen E. P. (2015)
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This is evident in features in the Mo 3d core level spectra identified at 229.0 and 232.1 eV for Mo 3d5/2and Mo 3d3/2respectively (Figure 3 a). If it were 1T-MoS2 features at 228.6 and 231.7±0.15 eV would be expected supporting our UV/Vis observations.
A mild broadening of the S 2p component attributed to 2H-MoS2 (161.8 eV) is not significant enough to suggest chemical modification.
10.1039/C5NR02253C
10.1021/j100628a010
10.1021/ja0491883

Dates

Type	When
Created	9 years, 4 months ago (April 2, 2016, 3:46 p.m.)
Deposited	1 year, 10 months ago (Oct. 6, 2023, 10:22 a.m.)
Indexed	2 months ago (June 26, 2025, 3:26 a.m.)
Issued	9 years, 4 months ago (April 1, 2016)
Published	9 years, 4 months ago (April 1, 2016)
Published Online	9 years, 4 months ago (April 1, 2016)
Published Print	9 years, 3 months ago (May 4, 2016)

Funders 4

European Union 10.13039/501100000780 European Commission
Region: Europe
gov (National government)
Labels26
1. European Union
2. Comisión Europea
3. Europäische Kommission
4. EU-Kommissionen
5. Euroopa Komisjoni
6. Ευρωπαϊκής Επιτροπής
7. Европейската комисия
8. Evropské komise
9. Commission européenne
10. Choimisiúin Eorpaigh
11. Europskoj komisiji
12. Commissione europea
13. La Commissione europea
14. Eiropas Komisiju
15. Europos Komisijos
16. Európai Bizottságról
17. Europese Commissie
18. Komisja Europejska
19. Comissão Europeia
20. Comisia Europeană
21. Európskej komisii
22. Evropski komisiji
23. Euroopan komission
24. Europeiska kommissionen
25. EC
26. EU
Awards1
1. FP7-333948
Science Foundation Ireland 10.13039/501100001602
Region: Europe
gov (National government)
Labels1
1. SFI
Awards1
1. SFI/12/RC/2278
DFG
Awards1
1. BA 4856/1-1
SFI
Awards1
1. PI_10/IN.1/I3030

BibTeX

@article{Chen_2016, title={Functionalization of Two‐Dimensional MoS2: On the Reaction Between MoS2 and Organic Thiols}, volume={55}, ISSN={1521-3773}, url={http://dx.doi.org/10.1002/anie.201510219}, DOI={10.1002/anie.201510219}, number={19}, journal={Angewandte Chemie International Edition}, publisher={Wiley}, author={Chen, Xin and Berner, Nina C. and Backes, Claudia and Duesberg, Georg S. and McDonald, Aidan R.}, year={2016}, month=apr, pages={5803–5808} }

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