Break junction under electrochemical gating: testbed for single-molecule electronics

2015 ◽  
Vol 44 (4) ◽  
pp. 889-901 ◽  
Author(s):  
Cancan Huang ◽  
Alexander V. Rudnev ◽  
Wenjing Hong ◽  
Thomas Wandlowski
Keyword(s):  
Single Molecule ◽  
Break Junction ◽  
Single Molecule Electronics ◽  
Single Molecule Junctions ◽  
Recent Developments ◽  
Electrochemical Gating

This tutorial review highlights recent developments using break junction techniques, and emphasizes the concept of “electrochemical gating” on single-molecule junctions.

scholarly journals Carbon tips for all-carbon single-molecule electronics

Nanoscale ◽  
2014 ◽  
Vol 6 (12) ◽  
pp. 6953-6958 ◽  
Author(s):  
Y. J. Dappe ◽  
C. González ◽  
J. C. Cuevas
Keyword(s):  
Ab Initio ◽  
Molecular Electronics ◽  
Single Molecule ◽  
Carbon Nanostructures ◽  
Molecular Junctions ◽  
Single Molecule Electronics ◽  
Single Molecule Junctions ◽  
Carbon Based

We present anab initiostudy of the use of carbon-based tips as electrodes in single-molecule junctions. We show that carbon tips can be combined with other carbon nanostructures to form all-carbon molecular junctions with molecules like benzene or C60. Results show that the use of carbon tips can lead to conductive molecular junctions and open new perspectives in all-carbon molecular electronics.

scholarly journals Photo-induced carbocation-enhanced charge transport in single-molecule junctions

2020 ◽  
Vol 11 (23) ◽  
pp. 6026-6030
Author(s):  
Zhongwu Bei ◽  
Yuan Huang ◽  
Yangwei Chen ◽  
Yiping Cao ◽  
Jin Li
Keyword(s):  
Scanning Tunneling Microscopy ◽  
Charge Transport ◽  
Single Molecule ◽  
Scanning Tunneling ◽  
Break Junction ◽  
Tunneling Microscopy ◽  
Single Molecule Junctions

We report the first example of photo-induced carbocation-enhanced charge transport in triphenylmethane junctions using the scanning tunneling microscopy break junction (STM-BJ) technique.

scholarly journals Single‐Molecule Junctions: An On‐Chip Break Junction System for Combined Single‐Molecule Conductance and Raman Spectroscopies (Adv. Funct. Mater. 28/2020)

2020 ◽  
Vol 30 (28) ◽  
pp. 2070188
Author(s):  
Hyunhak Jeong ◽  
Haipeng B. Li ◽  
Lucas Domulevicz ◽  
Joshua Hihath
Keyword(s):  
Single Molecule ◽  
Break Junction ◽  
Single Molecule Junctions ◽  
On Chip

scholarly journals Enhanced coupling through π-stacking in imidazole-based molecular junctions

2019 ◽  
Vol 10 (43) ◽  
pp. 9998-10002 ◽  
Author(s):  
Tianren Fu ◽  
Shanelle Smith ◽  
María Camarasa-Gómez ◽  
Xiaofang Yu ◽  
Jiayi Xue ◽  
...  
Keyword(s):  
Density Functional Theory ◽  
Single Molecule ◽  
Scanning Tunneling Microscope ◽  
Density Functional ◽  
Molecular Junctions ◽  
Scanning Tunneling ◽  
Break Junction ◽  
Functional Theory ◽  
Tunneling Microscope ◽  
Single Molecule Junctions

We demonstrate that imidazole based π–π stacked dimers form strong and efficient conductance pathways in single-molecule junctions using the scanning-tunneling microscope-break junction (STM-BJ) technique and density functional theory-based calculations.

scholarly journals Understanding resonant charge transport through weakly coupled single-molecule junctions

2019 ◽  
Vol 10 (1) ◽  
Author(s):  
James O. Thomas ◽  
Bart Limburg ◽  
Jakub K. Sowa ◽  
Kyle Willick ◽  
Jonathan Baugh ◽  
...  
Keyword(s):  
Charge Transport ◽  
Single Molecule ◽  
Local Environment ◽  
Single Mode ◽  
Molecular Junctions ◽  
Vibrational Coupling ◽  
Weakly Coupled ◽  
Single Molecule Electronics ◽  
Single Molecule Junctions ◽  
Quantitative Understanding

Abstract Off-resonant charge transport through molecular junctions has been extensively studied since the advent of single-molecule electronics and is now well understood within the framework of the non-interacting Landauer approach. Conversely, gaining a qualitative and quantitative understanding of the resonant transport regime has proven more elusive. Here, we study resonant charge transport through graphene-based zinc-porphyrin junctions. We experimentally demonstrate an inadequacy of non-interacting Landauer theory as well as the conventional single-mode Franck–Condon model. Instead, we model overall charge transport as a sequence of non-adiabatic electron transfers, with rates depending on both outer and inner-sphere vibrational interactions. We show that the transport properties of our molecular junctions are determined by a combination of electron–electron and electron-vibrational coupling, and are sensitive to interactions with the wider local environment. Furthermore, we assess the importance of nuclear tunnelling and examine the suitability of semi-classical Marcus theory as a description of charge transport in molecular devices.

scholarly journals Connectivity dependent thermopower of bridged biphenyl molecules in single-molecule junctions

Nanoscale ◽  
2020 ◽  
Vol 12 (27) ◽  
pp. 14682-14688 ◽  
Author(s):  
Iain M. Grace ◽  
Gunnar Olsen ◽  
Juan Hurtado-Gallego ◽  
Laura Rincón-García ◽  
Gabino Rubio-Bollinger ◽  
...  
Keyword(s):  
Seebeck Coefficient ◽  
Single Molecule ◽  
Scanning Tunneling Microscope ◽  
Electrical Conductance ◽  
Scanning Tunneling ◽  
Break Junction ◽  
Tunneling Microscope ◽  
Single Molecule Junctions

We report measurements on gold|single-molecule|gold junctions, using a modified scanning tunneling microscope-break junction (STM-BJ) technique, of the Seebeck coefficient and electrical conductance of a series of bridged biphenyl molecules.

scholarly journals Electronic transport through single-molecule oligophenyl-diethynyl junctions with direct gold - carbon bonds formed at low temperature

2021 ◽  
Author(s):  
Gautam Mitra ◽  
Vincent Delmas ◽  
Hassan Al Sabea ◽  
Lucie Norel ◽  
Olivier GALANGAU ◽  
...  
Keyword(s):  
Low Temperature ◽  
Single Molecule ◽  
Electronic Transport ◽  
Break Junction ◽  
Transport Study ◽  
Carbon Bonds ◽  
Single Molecule Junctions

We report on the first systematic transport study of alkynyl-ended oligophenyl-diethynyl (OPA) single-molecule junctions with direct Au--C anchoring scheme at low temperature using the mechanically controlled break junction technique. Through...

Highly-effective gating of single-molecule junctions: an electrochemical approach

2014 ◽  
Vol 50 (100) ◽  
pp. 15975-15978 ◽  
Author(s):  
Masoud Baghernejad ◽  
David Zsolt Manrique ◽  
Chen Li ◽  
Thomas Pope ◽  
Ulmas Zhumaev ◽  
...  
Keyword(s):  
Single Molecule ◽  
Electrochemical Approach ◽  
Highly Effective ◽  
Single Molecule Junctions ◽  
Electrochemical Gating

We report an electrochemical gating approach with ∼100% efficiency to tune the conductance of single-molecule 4,4′-bipyridine junctions.

Mechanical switching of current–voltage characteristics in spiropyran single-molecule junctions

Nanoscale ◽  
2020 ◽  
Vol 12 (14) ◽  
pp. 7527-7531
Author(s):  
Takashi Tamaki ◽  
Keigo Minode ◽  
Yuichi Numai ◽  
Tatsuhiko Ohto ◽  
Ryo Yamada ◽  
...  
Keyword(s):  
Single Molecule ◽  
Mechanical Stimulus ◽  
Break Junction ◽  
Current Voltage ◽  
Single Molecule Junctions ◽  
Current Voltage Characteristics

Switching of the current–distance characteristics from rectified to symmetric was observed in break junction measurements through a mechanical stimulus.

Sign in / Sign up

Export Citation Format

Share Document