Issue 33, 2021

A small heterocyclic molecule as a multistate transistor: a quantum many-body approach

Abstract

Weakly coupled molecular junctions are an active and important field of research due to their non-linear charge carrier transport. Herein, we investigate transport properties in a weakly coupled molecule, B2C2N2H6, using a combined quantum many-body approach and kinetic (master) equations. Various non-linear current–voltage characteristics such as negative differential conductance (NDC), rectifications, and Coulomb staircase, which are the hallmarks of multistate transport devices, have been obtained. We further explore the effect of different perturbations such as gate voltage and perpendicular magnetic field on molecular transport. Depending on the strength of the applied perturbing field, several phenomena such as current switching, and suppression of NDC, have been realized in the device. This study demonstrates small molecules as promising components in next-generation nano-devices.

Graphical abstract: A small heterocyclic molecule as a multistate transistor: a quantum many-body approach

Supplementary files

Article information

Article type
Paper
Submitted
08 mar 2021
Accepted
29 jun 2021
First published
30 jun 2021

J. Mater. Chem. C, 2021,9, 10927-10934

A small heterocyclic molecule as a multistate transistor: a quantum many-body approach

D. Ghosh, P. Senapati, P. Parida and S. K. Pati, J. Mater. Chem. C, 2021, 9, 10927 DOI: 10.1039/D1TC01092A

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