Thermoelectric voltage measurements of atomic and molecular wires using microheater-embedded mechanically-controllable break junctions

Nanoscale ◽  
2014 ◽  
Vol 6 (14) ◽  
pp. 8235-8241 ◽  
Author(s):  
Takanori Morikawa ◽  
Akihide Arima ◽  
Makusu Tsutsui ◽  
Masateru Taniguchi
Keyword(s):  
Molecular Wires ◽  
Break Junctions ◽  
Thermoelectric Voltage

Endgroup and Sidechain Functionalization of Surface-Initiated ROMP Thin Films: Progress Towards ROMP-Based Molecular Wires

2018 ◽  
Author(s):  
Nicholas Marshall
Keyword(s):  
Thin Films ◽  
Contact Angle ◽  
Cyclic Voltammetry ◽  
Polymer Films ◽  
Conjugated Polymer ◽  
Ring Opening ◽  
Molecular Wires ◽  
Metathesis Polymerization ◽  
Cross Metathesis ◽  
Active Ester

A set of experiments in surface-initiated ring-opening metathesis polymerization, including end-functionalization of growing brushes and contact angle/cyclic voltammetry measurements. We report preparation and CV of two different conjugated polymer films, and several endgroup and sidechain functionalization experiments using cross-metathesis and active ester substitution.<br>

scholarly journals Describing chain-like assembly of ethoxygroup-functionalized organic molecules on Au(111) using high-throughput simulations

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Lokamani ◽  
Jeffrey Kelling ◽  
Robin Ohmann ◽  
Jörg Meyer ◽  
Tim Kühne ◽  
...  
Keyword(s):  
High Throughput ◽  
Energy Function ◽  
Organic Molecules ◽  
Molecular Wires ◽  
Scanning Tunneling ◽  
Tunneling Microscopy ◽  
Intermolecular Interaction Energy ◽  
One Dimensional ◽  
Coverage Density ◽  
Clustering Approach

AbstractDue to the low corrugation of the Au(111) surface, 1,4-bis(phenylethynyl)-2,5-bis(ethoxy)benzene (PEEB) molecules can form quasi interlocked lateral patterns, which are observed in scanning tunneling microscopy experiments at low temperatures. We demonstrate a multi-dimensional clustering approach to quantify the anisotropic pair-wise interaction of molecules and explain these patterns. We perform high-throughput calculations to evaluate an energy function, which incorporates the adsorption energy of single PEEB molecules on the metal surface and the intermolecular interaction energy of a pair of PEEB molecules. The analysis of the energy function reveals, that, depending on coverage density, specific types of pattern are preferred which can potentially be exploited to form one-dimensional molecular wires on Au(111).

scholarly journals Electric and magnetic properties of cobalt, copper and nickel organometallic complexes for molecular wires

2021 ◽  
Author(s):  
Rehab I. Yousef ◽  
Naglaa F.H. Mahmoud ◽  
Fouad I. El-Hosiny ◽  
Fritz E. Kühn ◽  
Ghada Bassioni
Keyword(s):  
Magnetic Properties ◽  
Molecular Wires ◽  
Organometallic Complexes ◽  
Cobalt Copper

Density functional theory studies of Nb–benzene and Nb–borazine sandwich clusters and molecular wires

2012 ◽  
Vol 45 (2) ◽  
pp. 025102 ◽  
Author(s):  
Zhi Yang ◽  
Xuguang Liu ◽  
Shaoding Liu ◽  
Yongzhen Yang ◽  
Xiuyan Li ◽  
...  
Keyword(s):  
Density Functional Theory ◽  
Density Functional ◽  
Molecular Wires ◽  
Functional Theory

Polyynes vs. Cumulenes: Their Possible Use as Molecular Wires

2005 ◽  
Vol 16 (1) ◽  
pp. 77-79 ◽  
Author(s):  
Ibon Alkorta ◽  
Jos� Elguero
Keyword(s):  
Molecular Wires

scholarly journals Charge transport through extended molecular wires with strongly correlated electrons

2021 ◽  
Author(s):  
James O. Thomas ◽  
Jakub K. Sowa ◽  
Bart Limburg ◽  
Xinya Bian ◽  
Charalambos Evangeli ◽  
...  
Keyword(s):  
Electron Transport ◽  
Charge Transport ◽  
Experimental Studies ◽  
Strongly Correlated Electrons ◽  
Molecular Wires ◽  
Correlated Electrons ◽  
Strongly Correlated

Experimental studies of electron transport through an edge-fused porphyrin oligomer in a graphene junction are interpreted within a Hubbard dimer framework.

scholarly journals A flexible platform for controlled optical and electrical effects in tailored plasmonic break junctions

Nanophotonics ◽  
2020 ◽  
Vol 9 (6) ◽  
pp. 1391-1400
Author(s):  
Florian Laible ◽  
Kai Braun ◽  
Otto Hauler ◽  
Martin Eberle ◽  
Dieter P. Kern ◽  
...  
Keyword(s):  
Electrical Characterization ◽  
Tunneling Current ◽  
Plasmonic Nanostructures ◽  
Break Junction ◽  
Metal Contacts ◽  
Break Junctions ◽  
Constant Bias ◽  
Confocal Scanning ◽  
Atomic Point Contacts

AbstractMechanically controllable break junctions are one suitable approach to generate atomic point contacts and ultrasmall and controllable gaps between two metal contacts. For constant bias voltages, the tunneling current can be used as a ruler to evaluate the distance between the contacts in the sub-1-nm regime and with sub-Å precision. This ruler can be used to measure the distance between two plasmonic nanostructures located at the designated breaking point of the break junction. In this work, an experimental setup together with suitable nanofabricated break junctions is developed that enables us to perform simultaneous gap-dependent optical and electrical characterization of coupled plasmonic particles, more specifically bowtie antennas in the highly interesting gap range from few nanometers down to zero gap width. The plasmonic break junction experiment is performed in the focus of a confocal microscope. Confocal scanning images and current measurements are simultaneously recorded and exhibit an increased current when the laser is focused in the proximity of the junction. This setup offers a flexible platform for further correlated optoelectronic investigations of coupled antennas or junctions bridged by nanomaterials.

In-situ photoconductivity measurement of imidazole in optical fiber break-junctions

2021 ◽  
Author(s):  
Zhikai Zhao ◽  
Chenyang Guo ◽  
Lifa Ni ◽  
Xueyan Zhao ◽  
Surong Zhang ◽  
...  
Keyword(s):  
Electron Transport ◽  
Optical Fiber ◽  
Transport Properties ◽  
Molecular Junctions ◽  
Break Junction ◽  
Break Junctions ◽  
Fiber Break ◽  
Electron Transport Properties ◽  
Photoconductivity Measurement

We develop a method based on the mechanically controllable break junction technique to investigate the electron transport properties of single molecular junctions upon fiber waveguided light. In our strategy, a...

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