title: Flow-induced voltage generation by moving a nano-sized ionic liquids droplet over a graphene sheet: Molecular dynamics simulation.
abstract: In this work, the phenomenon of the voltage generation is explored by using the molecular dynamics simulations, which is performed by driving a nano-sized droplet of room temperature ionic liquids moving along the monolayer graphene sheet for the first time. The studies show that the cations and anions of the droplet will move with velocity nonlinearly increasing to saturation arising by the force balance. The traditional equation for calculating the induced voltage is developed by taking the charge density into consideration, and larger induced voltages in μV-scale are obtained from the nano-size simulation systems based on the ionic liquids (ILs) for its enhanced ionic drifting velocities. It is also derived that the viscosity acts as a reduction for the induced voltage by comparing systems composed of two types of ILs with different viscosity and temperature.
authors.affiliation: Institute of Modern Communication, School of Information Science and Engineering, Lanzhou University, Lanzhou 730000, People's Republic of China.
authors.forename: Qunfeng
authors.initials: Q
authors.lastname: Shao
authors.affiliation: Institute of Modern Communication, School of Information Science and Engineering, Lanzhou University, Lanzhou 730000, People's Republic of China.
authors.forename: Jingjing
authors.initials: J
authors.lastname: Jia
authors.affiliation: Institute of Modern Communication, School of Information Science and Engineering, Lanzhou University, Lanzhou 730000, People's Republic of China.
authors.forename: Yongji
authors.initials: Y
authors.lastname: Guan
authors.affiliation: Institute of Modern Communication, School of Information Science and Engineering, Lanzhou University, Lanzhou 730000, People's Republic of China.
authors.forename: Xiaodong
authors.initials: X
authors.lastname: He
authors.affiliation: Institute of Modern Communication, School of Information Science and Engineering, Lanzhou University, Lanzhou 730000, People's Republic of China.
authors.forename: Xiaoping
authors.initials: X
authors.lastname: Zhang