Charge Transfer in the MoS2/Carbon Nanotube Composite
Abstract
Composite MoS 2 /carbon nanotube material has been produced by hydrothermal decomposition of a mixture of multiwall carbon nanotubes (CNTs) and a water solution of ammonium molybdate and thiourea. Transmission electron microscopy and Raman spectroscopy showed formation of MoS 2 layers on the CNT surface and MoS 2 flakes. X-ray photoelectron spectroscopy revealed a downshift of C 1s peak of the composite as compared to the pristine CNT sample that was related to charge transfer between the components. This fact was confirmed by near-edge X-ray absorption fine structure spectroscopy which detected a decrease of intensity of π* resonance in the C K-edge spectrum after the MoS 2 deposition. Quantum-chemical calculations of a CNT@MoS 2 model showed a positive charging of the CNT surface. Comparison of field emission characteristics of CNTs and the composite indicated lowering of the voltage threshold in the latter sample.
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- Authors
- Koroteev, V. O., Bulusheva, L. G., Asanov, I. P., Shlyakhova, E. V., Vyalikh, D. V., & Okotrub, A. V.
- Affiliations
- Siberian Branch of the Russian Academy of Sciences (RU)
- Technische Universität Dresden (DE)
- Corresponding author
- Koroteev, V.O.
- Venue
- The Journal of Physical Chemistry C
- Publisher
- American Chemical Society (ACS)
- Published
- 2011-10-07
- Volume
- 115
- Issue
- 43
- Pages
- 21199-21204
- ISSN
- 1932-7447 (ISSN-L)
- 1932-7455
- OpenAlex
- W2335751881
- Cited by
- 286
- References
- 2
- Citations by year
- 2026: 9 · 2025: 14 · 2024: 14 · 2023: 10 · 2022: 19 · 2021: 19 · 2020: 26 · 2019: 30 · 2018: 23 · 2017: 34 · 2016: 30 · 2015: 29 · 2014: 20 · 2013: 6 · 2012: 3
- FWCI
- 4.55
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- The Journal of Physical Chemistry C (publishedVersion)
- HZB Repository (Helmholtz-Zentrum Berlin für Materialien und Energie GmbH (HZB)) (submittedVersion)
- Funders
- Russian Foundation for Basic Research
- Ministry of Education and Science of the Russian Federation
- Topics
- Physical Sciences › Materials Science › Materials Chemistry › Carbon Nanotubes in Composites
- Physical Sciences › Materials Science › Materials Chemistry › Graphene research and applications
- Physical Sciences › Materials Science › Materials Chemistry › 2D Materials and Applications
- Keywords
- charge transfer, multi-walled carbon nanotubes, MoS2, hydrothermal synthesis, field emission threshold, quantum chemical calculations
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