Mechanical Tuning of Through-Molecule Conductance in a Conjugated Calix[4]pyrrole

Davide Stefani; Mickael Perrin; Cristian Gutiérrez-Cerón; Albert C. Aragonès; Jacqueline Labra-Muñoz; Rodrigo D.C. Carrasco; Yoshitaka Matsushita; Zdenek Futera; Jan Labuta; Thien H. Ngo; Katsuhiko Ariga; Ismael Díez-Pérez; Herre S.J. van der Zant; Diana Dulić; Jonathan P. Hill

doi:10.1002/slct.201801076

Mechanical Tuning of Through-Molecule Conductance in a Conjugated Calix[4]pyrrole

Davide Stefani, Mickael Perrin, Cristian Gutiérrez-Cerón, Albert C. Aragonès, Jacqueline Labra-Muñoz, Rodrigo D.C. Carrasco, Yoshitaka Matsushita, Zdenek Futera, Jan Labuta, Thien H. Ngo, Katsuhiko Ariga, Ismael Díez-Pérez, Herre S.J. van der Zant, Diana Dulić^*, Jonathan P. Hill

^*Corresponding author for this work

QN/van der Zant Lab

Research output: Contribution to journal › Article › Scientific › peer-review

16 Citations (Scopus)

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Abstract

A conformationally flexible calix[4]pyrrole possessing a conjugated electronic structure (an N-substituted oxoporphyrinogen (OxP) related to porphyrin) was used to investigate the influence of mechanical stretching on the single-molecule conductance of these molecules using the mechanically-controlled break junction (MCBJ) technique. The results show that the molecule can be immobilized in a single-molecule break junction configuration, giving rise to different behaviours. These include step-like features in the conductance vs. displacement traces as well as conductance traces that exhibit a slower decay (‘downhill’ traces) than measured for direct tunneling. The latter class of traces can be associated with the mechanical manipulation (i. e., stretching) of the molecule with inter-electrode distances as long as 2 nm. Density functional theory (DFT) calculations reveal that OxP molecules are stable under stretching in the length regime studied.

Original language	English
Pages (from-to)	6473-6478
Journal	ChemistrySelect
Volume	3
Issue number	23
DOIs	https://doi.org/10.1002/slct.201801076
Publication status	Published - 2018

Bibliographical note

Large birefringence and linear dichroism in TiS3 nanosheets†

Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care
Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

Keywords

calix[4]pyrrole
mechanically-controlled break junction
oxoporphyrinogen
single molecule

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10.1002/slct.201801076

ChemistrySelect - 2018 - Stefani - Mechanical Tuning of Through_E2_80_90Molecule Conductance in a Conjugated Calix 4 pyrroletaverneFinal published version, 795 KB

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Stefani, D., Perrin, M., Gutiérrez-Cerón, C., Aragonès, A. C., Labra-Muñoz, J., Carrasco, R. D. C., Matsushita, Y., Futera, Z., Labuta, J., Ngo, T. H., Ariga, K., Díez-Pérez, I., van der Zant, H. S. J., Dulić, D., & Hill, J. P. (2018). Mechanical Tuning of Through-Molecule Conductance in a Conjugated Calix[4]pyrrole. ChemistrySelect, 3(23), 6473-6478. https://doi.org/10.1002/slct.201801076

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title = "Mechanical Tuning of Through-Molecule Conductance in a Conjugated Calix[4]pyrrole",

abstract = "A conformationally flexible calix[4]pyrrole possessing a conjugated electronic structure (an N-substituted oxoporphyrinogen (OxP) related to porphyrin) was used to investigate the influence of mechanical stretching on the single-molecule conductance of these molecules using the mechanically-controlled break junction (MCBJ) technique. The results show that the molecule can be immobilized in a single-molecule break junction configuration, giving rise to different behaviours. These include step-like features in the conductance vs. displacement traces as well as conductance traces that exhibit a slower decay ({\textquoteleft}downhill{\textquoteright} traces) than measured for direct tunneling. The latter class of traces can be associated with the mechanical manipulation (i. e., stretching) of the molecule with inter-electrode distances as long as 2 nm. Density functional theory (DFT) calculations reveal that OxP molecules are stable under stretching in the length regime studied.",

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note = "Large birefringence and linear dichroism in TiS3 nanosheets† Green Open Access added to TU Delft Institutional Repository {\textquoteleft}You share, we take care!{\textquoteright} – Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public. ",

year = "2018",

doi = "10.1002/slct.201801076",

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Stefani, D, Perrin, M, Gutiérrez-Cerón, C, Aragonès, AC, Labra-Muñoz, J, Carrasco, RDC, Matsushita, Y, Futera, Z, Labuta, J, Ngo, TH, Ariga, K, Díez-Pérez, I, van der Zant, HSJ, Dulić, D & Hill, JP 2018, 'Mechanical Tuning of Through-Molecule Conductance in a Conjugated Calix[4]pyrrole', ChemistrySelect, vol. 3, no. 23, pp. 6473-6478. https://doi.org/10.1002/slct.201801076

TY - JOUR

T1 - Mechanical Tuning of Through-Molecule Conductance in a Conjugated Calix[4]pyrrole

AU - Stefani, Davide

AU - Perrin, Mickael

AU - Gutiérrez-Cerón, Cristian

AU - Aragonès, Albert C.

AU - Labra-Muñoz, Jacqueline

AU - Carrasco, Rodrigo D.C.

AU - Matsushita, Yoshitaka

AU - Futera, Zdenek

AU - Labuta, Jan

AU - Ngo, Thien H.

AU - Ariga, Katsuhiko

AU - Díez-Pérez, Ismael

AU - van der Zant, Herre S.J.

AU - Dulić, Diana

AU - Hill, Jonathan P.

N1 - Large birefringence and linear dichroism in TiS3 nanosheets† Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

PY - 2018

Y1 - 2018

N2 - A conformationally flexible calix[4]pyrrole possessing a conjugated electronic structure (an N-substituted oxoporphyrinogen (OxP) related to porphyrin) was used to investigate the influence of mechanical stretching on the single-molecule conductance of these molecules using the mechanically-controlled break junction (MCBJ) technique. The results show that the molecule can be immobilized in a single-molecule break junction configuration, giving rise to different behaviours. These include step-like features in the conductance vs. displacement traces as well as conductance traces that exhibit a slower decay (‘downhill’ traces) than measured for direct tunneling. The latter class of traces can be associated with the mechanical manipulation (i. e., stretching) of the molecule with inter-electrode distances as long as 2 nm. Density functional theory (DFT) calculations reveal that OxP molecules are stable under stretching in the length regime studied.

AB - A conformationally flexible calix[4]pyrrole possessing a conjugated electronic structure (an N-substituted oxoporphyrinogen (OxP) related to porphyrin) was used to investigate the influence of mechanical stretching on the single-molecule conductance of these molecules using the mechanically-controlled break junction (MCBJ) technique. The results show that the molecule can be immobilized in a single-molecule break junction configuration, giving rise to different behaviours. These include step-like features in the conductance vs. displacement traces as well as conductance traces that exhibit a slower decay (‘downhill’ traces) than measured for direct tunneling. The latter class of traces can be associated with the mechanical manipulation (i. e., stretching) of the molecule with inter-electrode distances as long as 2 nm. Density functional theory (DFT) calculations reveal that OxP molecules are stable under stretching in the length regime studied.

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KW - mechanically-controlled break junction

KW - oxoporphyrinogen

KW - single molecule

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JO - ChemistrySelect

JF - ChemistrySelect

IS - 23

ER -

Mechanical Tuning of Through-Molecule Conductance in a Conjugated Calix[4]pyrrole

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Keywords

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