Dynamic behavior of a black phosphorus and carbon nanotube composite system

Shi, J, Cai, H, Cai, K and Qin, Q 2017, 'Dynamic behavior of a black phosphorus and carbon nanotube composite system', Journal of Physics D: Applied Physics, vol. 50, no. 2, pp. 1-1.

Document type: Journal Article
Collection: Journal Articles

Title Dynamic behavior of a black phosphorus and carbon nanotube composite system
Author(s) Shi, J
Cai, H
Cai, K
Qin, Q
Year 2017
Journal name Journal of Physics D: Applied Physics
Volume number 50
Issue number 2
Start page 1
End page 1
Total pages 1
Publisher Institute of Physics
Abstract A double walled nanotube composite is constructed by placing a black-phosphorene-based nanotube (BPNT) in a carbon nanotube (CNT). When driving the CNT to rotate by stators in a thermal driven rotary nanomotor, the BPNT behaves differently from the CNT. For instance, the BPNT can be actuated to rotate by the CNT, but its rotational acceleration differs from that of the CNT. The BPNT oscillates along the tube axis when it is longer than the CNT. The results obtained indicate that the BPNT functions with high structural stability when acting as a rotor with rotational frequency of ∼20 GHz at 250 K. If at a higher temperature than 250 K, say 300 K, the rotating BPNT shows weaker structural stability than its status at 250 K. When the two tubes in the rotor are of equal length, the rotational frequency of the BPNT drops rapidly after the BPNT is collapsed, owing to more broken P-P bonds. When the black-phosphorene nanotube is longer than the CNT, it rotates synchronously with the CNT even if it is collapsed. Hence, in the design of a nanomotor with a rotor from BPNT, the working rotational frequency should be lower than a certain threshold at a higher temperature.
Subject Nanoelectromechanical Systems
Keyword(s) black phosphorus
molecular dynamics
DOI - identifier 10.1088/1361-6463/50/2/025304
Copyright notice © 2016 IOP Publishing Ltd
ISSN 0022-3727
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