Dynamic behavior of a black phosphorus and carbon nanotube composite system

Date

2017

Authors

Shi, Jiao
Cai, Haifang
Cai, Kun
Qin, Qing Hua

Journal Title

Journal ISSN

Volume Title

Publisher

Institute of Physics Publishing

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

Description

Keywords

nanomotor, nanotube, black phosphorus, molecular dynamics

Citation

Source

Journal of Physics D: Applied Physics

Type

Journal article

Book Title

Entity type

Access Statement

License Rights

Restricted until

2099-12-31