Decreasing Work Function of Carbon Nanotubes Hydrogenated in Hydrogen Plasma
- Authors: Bulyarskiy S.V.1, Bogdanova D.A.2, Kitsyuk E.P.3, Lakalin A.V.1,2, Pavlov A.A.1, Ryazanov R.M.3, Shamanaev A.A.3, Shaman Y.P.3
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Affiliations:
- Institute of Nanotechnology for Microelectronics
- Ulyanovsk State University
- Technological Center Co.
- Issue: Vol 44, No 5 (2018)
- Pages: 432-434
- Section: Article
- URL: https://journals.rcsi.science/1063-7850/article/view/207652
- DOI: https://doi.org/10.1134/S1063785018050164
- ID: 207652
Cite item
Abstract
Experimental data showing a decrease in the work function of carbon nanotube (CNT) bundles and arrays hydrogenated in hydrogen-containing plasma are presented. This plasma treatment leads to hydrogen chemisorption on CNTs, which results in a work-function decrease from 4.8 to 3.3 eV. The experimental data confirm quantum-mechanical calculations for single-walled CNTs of variable chirality. Calculations indicate that a decrease in the CNT work function depends on both the properties of CNT and the degree of its passivation by hydrogen.
About the authors
S. V. Bulyarskiy
Institute of Nanotechnology for Microelectronics
Author for correspondence.
Email: bulyar2954@mail.ru
Russian Federation, Moscow, 119991
D. A. Bogdanova
Ulyanovsk State University
Email: bulyar2954@mail.ru
Russian Federation, Ulyanovsk, 432017
E. P. Kitsyuk
Technological Center Co.
Email: bulyar2954@mail.ru
Russian Federation, Zelenograd, Moscow, 124498
A. V. Lakalin
Institute of Nanotechnology for Microelectronics; Ulyanovsk State University
Email: bulyar2954@mail.ru
Russian Federation, Moscow, 119991; Ulyanovsk, 432017
A. A. Pavlov
Institute of Nanotechnology for Microelectronics
Email: bulyar2954@mail.ru
Russian Federation, Moscow, 119991
R. M. Ryazanov
Technological Center Co.
Email: bulyar2954@mail.ru
Russian Federation, Zelenograd, Moscow, 124498
A. A. Shamanaev
Technological Center Co.
Email: bulyar2954@mail.ru
Russian Federation, Zelenograd, Moscow, 124498
Yu. P. Shaman
Technological Center Co.
Email: bulyar2954@mail.ru
Russian Federation, Zelenograd, Moscow, 124498