Modulating Directional Movement of Graphene Nanoflake Using a Channel
Source abstract
Abstract
The graphene-based nano-mechanical systems have attracted a lot of attention due to their unique properties. Owing to its planar shape, it is hard to control the direction of motion of graphene. In this study, a directional system based on graphene with a channel driven by a thermal gradient was examined by means of molecular dynamics simulations. The results showed that the channel could direct the motion and correct the rotation of graphene nanoflakes. The movement of graphene nanoflake not only depended on the interaction between the nanoflake and the substrate, but also the configuration of the graphene in the channel. A larger thermal gradient was needed to drive a hydrogen-passivated graphene nanoflake. However, the movement of a passivated nanoflake was more stable. Our results showed that a passivated graphene nanoflake could move steadily along a direction in a channel, which might shed light on the design of nano-mechanical systems based on graphene.
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Research context
OpenAlex topics: Graphene research and applications · Carbon Nanotubes in Composites · Nanopore and Nanochannel Transport Studies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Mechanical Engineering, University of Science and Technology Beijing, Beijing 100083, China
Physics Department, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia
K.A.CARE Energy Research & Innovation Center at Dhahran, Dhahran 31261, Saudi Arabia
Interdisciplinary Research Center for Hydrogen and Energy Storage, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia
Funding
Fundamental Research Funds for the Central Universities · Deanship of Scientific Research (DSR) at King Fahd University of Petroleum and Minerals (KFUPM)
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