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Identifying Diversity in Nanoscale Electrical Break Junctions

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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Identifying Diversity in Nanoscale Electrical Break Junctions. / Martín, Santiago ; Grace, Iain; Bryce, Martin R. et al.
In: Journal of the American Chemical Society, Vol. 132 , No. 26, 2010, p. 9157–9164.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Martín, S, Grace, I, Bryce, MR, Wang, C, Jitchat, R, Batsanov, AS, Higgins, SJ, Lambert, C & Nichols, RJ 2010, 'Identifying Diversity in Nanoscale Electrical Break Junctions', Journal of the American Chemical Society, vol. 132 , no. 26, pp. 9157–9164. https://doi.org/10.1021/ja103327f

APA

Martín, S., Grace, I., Bryce, M. R., Wang, C., Jitchat, R., Batsanov, A. S., Higgins, S. J., Lambert, C., & Nichols, R. J. (2010). Identifying Diversity in Nanoscale Electrical Break Junctions. Journal of the American Chemical Society, 132 (26), 9157–9164. https://doi.org/10.1021/ja103327f

Vancouver

Martín S, Grace I, Bryce MR, Wang C, Jitchat R, Batsanov AS et al. Identifying Diversity in Nanoscale Electrical Break Junctions. Journal of the American Chemical Society. 2010;132 (26):9157–9164. doi: 10.1021/ja103327f

Author

Martín, Santiago ; Grace, Iain ; Bryce, Martin R. et al. / Identifying Diversity in Nanoscale Electrical Break Junctions. In: Journal of the American Chemical Society. 2010 ; Vol. 132 , No. 26. pp. 9157–9164.

Bibtex

@article{855eddcf6f4e4d3f86387c2ec546da70,
title = "Identifying Diversity in Nanoscale Electrical Break Junctions",
abstract = "The realization of molecular-scale electronic devices will require the development of novel strategies for controlling electrical properties of metal|molecule|metal junctions, down to the single molecule level. Here, we show that it is possible to exert chemical control over the formation of metal|molecule...molecule|metal junctions in which the molecules interact by π-stacking. The tip of an STM is used to form one contact, and the substrate the other; the molecules are conjugated oligophenyleneethynylenes (OPEs). Supramolecular π−π interactions allow current to flow through the junction, but not if bulky tert-butyl substituents on the phenyl rings prevent such interactions. For the first time, we find evidence that π-stacked junctions can form even for OPEs with two thiol contacts. Furthermore, we find evidence for metal|molecule|metal junctions involving oligophenyleneethynylene monothiols, in which the second contact must be formed by the interaction of the π-electrons of the terminal phenyl ring with the metal surface.",
author = "Santiago Mart{\'i}n and Iain Grace and Bryce, {Martin R.} and Changsheng Wang and Rukkiat Jitchat and Batsanov, {Andrei S.} and Higgins, {Simon J.} and Colin Lambert and Nichols, {Richard J.}",
year = "2010",
doi = "10.1021/ja103327f",
language = "English",
volume = "132 ",
pages = "9157–9164",
journal = "Journal of the American Chemical Society",
issn = "1520-5126",
publisher = "AMER CHEMICAL SOC",
number = "26",

}

RIS

TY - JOUR

T1 - Identifying Diversity in Nanoscale Electrical Break Junctions

AU - Martín, Santiago

AU - Grace, Iain

AU - Bryce, Martin R.

AU - Wang, Changsheng

AU - Jitchat, Rukkiat

AU - Batsanov, Andrei S.

AU - Higgins, Simon J.

AU - Lambert, Colin

AU - Nichols, Richard J.

PY - 2010

Y1 - 2010

N2 - The realization of molecular-scale electronic devices will require the development of novel strategies for controlling electrical properties of metal|molecule|metal junctions, down to the single molecule level. Here, we show that it is possible to exert chemical control over the formation of metal|molecule...molecule|metal junctions in which the molecules interact by π-stacking. The tip of an STM is used to form one contact, and the substrate the other; the molecules are conjugated oligophenyleneethynylenes (OPEs). Supramolecular π−π interactions allow current to flow through the junction, but not if bulky tert-butyl substituents on the phenyl rings prevent such interactions. For the first time, we find evidence that π-stacked junctions can form even for OPEs with two thiol contacts. Furthermore, we find evidence for metal|molecule|metal junctions involving oligophenyleneethynylene monothiols, in which the second contact must be formed by the interaction of the π-electrons of the terminal phenyl ring with the metal surface.

AB - The realization of molecular-scale electronic devices will require the development of novel strategies for controlling electrical properties of metal|molecule|metal junctions, down to the single molecule level. Here, we show that it is possible to exert chemical control over the formation of metal|molecule...molecule|metal junctions in which the molecules interact by π-stacking. The tip of an STM is used to form one contact, and the substrate the other; the molecules are conjugated oligophenyleneethynylenes (OPEs). Supramolecular π−π interactions allow current to flow through the junction, but not if bulky tert-butyl substituents on the phenyl rings prevent such interactions. For the first time, we find evidence that π-stacked junctions can form even for OPEs with two thiol contacts. Furthermore, we find evidence for metal|molecule|metal junctions involving oligophenyleneethynylene monothiols, in which the second contact must be formed by the interaction of the π-electrons of the terminal phenyl ring with the metal surface.

UR - http://www.scopus.com/inward/record.url?scp=77954253363&partnerID=8YFLogxK

U2 - 10.1021/ja103327f

DO - 10.1021/ja103327f

M3 - Journal article

AN - SCOPUS:77954253363

VL - 132

SP - 9157

EP - 9164

JO - Journal of the American Chemical Society

JF - Journal of the American Chemical Society

SN - 1520-5126

IS - 26

ER -