Cyclic Conductance Switching in Networks of Redox-Active Molecular Junctions

Liao, Jianhui; Agustsson, J. S.; Wu, Songmei; Schönenberger, Christian; Calame, Michel; Leroux, Yann R.; Mayor, Marcel; Jeannin, Olivier; Ran, Ying-Fen; Liu, Shixia; Decurtins, Silvio

doi:10.1021/nl902000e

Cited by 109 publications

(75 citation statements)

References 47 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Various control experiments were performed to confirm that the switching behavior can be attributed to the oxidation of the TTF compound in the network of molecular junctions. [65] With these two examples, we demonstrate that the functionality provided by specifically-engineered molecules can be preserved in nanostructured devices where the molecules have been electrically contacted.…”

Section: Network Of Molecular Junctionsmentioning

confidence: 90%

“…[59] Recently, we have shown that 2D NPs arrays form an interesting platform for molecular electronics, while based on a simple self-assembly and microcontact printing approach offering upscaling possibilities. [60][61][62][63][64][65] Fig. 4a depicts a device based on a NPs array.…”

Section: Network Of Molecular Junctionsmentioning

confidence: 99%

“…5c, we present a redox-active molecule based on a tetrathiafulvalene (TTF) unit. [65] Redox molecules are particularly attractive candidates for molecular electronics since the current through the junctions can be influenced either by electrochemical gating or by the presence of oxidizing or reducing agents. While several different redox units have been considered so far, TTF compounds have seldom been incorporated in metal-molecule-metal junctions.…”

Section: Network Of Molecular Junctionsmentioning

confidence: 99%

“…The TTF compound bearing the thiolated alkane linkers was shown to behave similarly to the basic TTF unit and UV/vis spectroscopy evidenced that the TTF 2+ state presents a lower HOMO-LUMO gap than the neutral state. [65] We followed a similar procedure to that described for the photochromic switch and inserted the TTF derivative in C8-capped gold NP arrays and characterized the conductance of the arrays at different experimental stages. In Fig.…”

Section: Network Of Molecular Junctionsmentioning

confidence: 99%

See 3 more Smart Citations

Molecular Junctions: From Tunneling to Function

Calame

2010

Chimia

Self Cite

View full text Add to dashboard Cite

Abstract:Thankstothedevelopmentofappropriateexperimentaltechniques,moleculardevicesandtheirelectricaltransportpropertieshaverecentlybeenthefocusofamajorresearcheffort.Thisbriefreviewdescribeshow individualmoleculescanbecontactedwithmetallicelectrodestoformmolecularjunctionsandaddressestheir basicformationmechanisms.Anextensiontomolecularjunctionsnetworksisalsodiscussed.Functionalitycould bedemonstratedinsuchsystems,andexampleswhereconductancemodulationusinglightorchemicalstimuli wasachievedwillbepresented.

show abstract

Section: Network Of Molecular Junctionsmentioning

confidence: 90%

Section: Network Of Molecular Junctionsmentioning

confidence: 99%

Section: Network Of Molecular Junctionsmentioning

confidence: 99%

Section: Network Of Molecular Junctionsmentioning

confidence: 99%

See 2 more Smart Citations

Molecular Junctions: From Tunneling to Function

Calame

2010

Chimia

Self Cite

View full text Add to dashboard Cite

show abstract

“…Here, it is demonstrated that inserting functional molecules in nanoparticles arrays can result in an overall functionality at the array Handbook of Nanoparticles DOI 10.1007/978-3-319-13188-7_27-1 # Springer International Publishing Switzerland 2015 scale. As an example, the implementation of cyclic conductance switching, thanks to redox-active molecules, is briefly discussed [38]. Starting from octanethiol (C8) covered gold nanoparticles arrays, dithiolated tetrathiafulvalene derivatives (TTFdTs) (Fig.…”

Section: From Switching Molecules To Functional Arraysmentioning

confidence: 99%

Nanoparticle Arrays

Mangold¹,

Holleitner²,

Agustsson³

et al. 2015

Handbook of Nanoparticles

View full text Add to dashboard Cite

Arrays of metal nanoparticles in an organic matrix have attracted a lot of interest due to their diverse electronic and optoelectronic properties. By varying parameters such as the nanoparticle material, the matrix material, the nanoparticle size, and the interparticle distance, the electronic behavior of the nanoparticle array can be substantially tuned and controlled. For strong tunnel coupling between adjacent nanoparticles, the assembly exhibits conductance properties similar to the bulk properties of the nanoparticle material. When the coupling between the nanoparticles is reduced, a metal insulator transition is observed in the overall assembly. Recent work demonstrates that nanoparticle arrays can be further utilized to incorporate single molecules, such that the nanoparticles act as electronic contacts to the molecules. Furthermore, via the excitation of the surface plasmon polaritons, the nanoparticles can be optically excited and electronically read out.

show abstract

Light‐Stimulatable Molecules/Nanoparticles Networks for Switchable Logical Functions and Reservoir Computing

Viero

Guérin

Vladyka

et al. 2018

Adv Funct Materials

View full text Add to dashboard Cite

The fabrication and electron transport properties of nanoparticles selfassembled networks (NPSAN) of molecular switches (azobenzene derivatives) interconnected by Au nanoparticles are reported, and optically driven switchable logical operations associated to the light-controlled switching of the molecules are demonstrated. The switching yield is up to 74%. It is also demonstrated that these NPSANs are prone to light-stimulable reservoir computing. The complex nonlinearity of electron transport and dynamics in these highly connected and recurrent networks of molecular junctions exhibits rich high harmonics generation (HHG) required for reservoir computing approaches. Logical functions and HHG are controlled by the isomerization of the molecules upon light illumination. These results, without direct analogs in semiconductor devices, open new perspectives to molecular electronics in unconventional computing.paves the way for the processing of multi-input signals through a device that acts as a reservoir computer.The authors declare no conflict of interest.

show abstract

Cyclic Conductance Switching in Networks of Redox-Active Molecular Junctions

Cited by 109 publications

References 47 publications

Molecular Junctions: From Tunneling to Function

Molecular Junctions: From Tunneling to Function

Nanoparticle Arrays

Light‐Stimulatable Molecules/Nanoparticles Networks for Switchable Logical Functions and Reservoir Computing

Contact Info

Product

Resources

About