Substitution pattern controlled charge transport in BN-embedded aromatics-based single molecule junctions

Abstract

The understanding of charge transport at single-molecule level is a pre-requisite for the fabrication of molecular devices. Here, we systematically investigate the relation among molecular conductance, substitution pattern and stimuli...

Single-Molecule Charge Transport through Thiazole-End-Capped Conjugated Oligomers: Synergistic Au–N and Au−π Interactions and Controllable Self-Decoupled Properties

“…In the past few decades, great progress − has been achieved in molecular electronics assisted by the development of break junction techniques such as mechanically controllable break junctions (MCBJs), scanning tunneling microscopy (STM) break junctions, and other techniques. − To measure the conductance of a single molecule, it is necessary to connect the molecule to metallic electrodes. Therefore, anchoring groups play a crucial role in fabricating a metal–molecule–metal (M–M–M) junction.…”

Manipulating the charge transport via incorporating a cobalt bridge into a single-molecule junction

“…Fine-tuning of the charge transport in metal-molecule-metal junctions is an eternal theme of molecular electronics. [1][2][3][4][5][6][7][8][9][10][11][12] Tremendous approaches have been developed to realize this goal, such as in situ chemical reactions, light-induced transformation, quantum interference effects and so on. The quantum interference (QI) effects featured by constructive quantum interference (CQI) and destructive quantum interference (DQI) have promising potential for rational design of advanced functional devices such as transistors, molecular switches and thermoelectric devices.…”

“…13,18 For example, in crossconjugated and meta-connected molecules, obvious destructive quantum interference is likely to be found. 4,19,20 Currently, the molecules used in single-molecule junctions are usually organic conjugated ones, and it is mature for chemists to control QIs and manipulate the conductance based on them. With the aim to deeper understand the QI effect and fabricate functional molecular devices, it is essential to gain more knowledge about charge transport properties in other systems.…”

Regulating the molecule and electrode interface of a single-molecule junction via the side chain

“…Charge transport in the single molecule-junction is at the heart of molecular electronics. [1][2][3][4][5][6][7][8][9][10][11] The molecule/electrode interface has severe impact on the charge transport and functioning of the single-molecule junction. The common strategies to tune the molecule/electrode interface are to change the electrodes or the anchoring group of molecules.…”