Dimerization boosts one-dimensional mobility of conformationally adapted porphyrins on a hexagonal surface atomic lattice

M. Eichberger; M. Marschall; J. Reichert; A. Weber-Bargioni; W. Auwärter; R. L.C. Wang; H. J. Kreuzer; Y. Pennec; A. Schiffrin; J. V. Barth

doi:10.1021/nl802995u

Dimerization boosts one-dimensional mobility of conformationally adapted porphyrins on a hexagonal surface atomic lattice

M. Eichberger, M. Marschall, J. Reichert, A. Weber-Bargioni, W. Auwärter, R. L.C. Wang, H. J. Kreuzer, Y. Pennec, A. Schiffrin, J. V. Barth

Associate Professorship of Molecular Engineering at Functional Interfaces

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Abstract

We employed temperature-controlled fast-scanning tunneling microscopy to monitor the diffusion of tetrapyridylporphyrin molecules on the Cu(111) surface. The data reveal unidirectional thermal migration of conformationally adapted monomers in the 300-360 K temperature range. Surprisingly equally oriented molecules spontaneously form dimers that feature a drastically increased one-dimensional diffusivity. The analysis of the bonding and mobility characteristics indicates that this boost is driven by a collective transport mechanism of a metallosupramolecular complex.

Original language	English
Pages (from-to)	4608-4613
Number of pages	6
Journal	Nano Letters
Volume	8
Issue number	12
DOIs	https://doi.org/10.1021/nl802995u
State	Published - Dec 2008

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title = "Dimerization boosts one-dimensional mobility of conformationally adapted porphyrins on a hexagonal surface atomic lattice",

abstract = "We employed temperature-controlled fast-scanning tunneling microscopy to monitor the diffusion of tetrapyridylporphyrin molecules on the Cu(111) surface. The data reveal unidirectional thermal migration of conformationally adapted monomers in the 300-360 K temperature range. Surprisingly equally oriented molecules spontaneously form dimers that feature a drastically increased one-dimensional diffusivity. The analysis of the bonding and mobility characteristics indicates that this boost is driven by a collective transport mechanism of a metallosupramolecular complex.",

author = "M. Eichberger and M. Marschall and J. Reichert and A. Weber-Bargioni and W. Auw{\"a}rter and Wang, {R. L.C.} and Kreuzer, {H. J.} and Y. Pennec and A. Schiffrin and Barth, {J. V.}",

year = "2008",

month = dec,

doi = "10.1021/nl802995u",

language = "English",

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pages = "4608--4613",

journal = "Nano Letters",

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T1 - Dimerization boosts one-dimensional mobility of conformationally adapted porphyrins on a hexagonal surface atomic lattice

AU - Eichberger, M.

AU - Marschall, M.

AU - Reichert, J.

AU - Weber-Bargioni, A.

AU - Auwärter, W.

AU - Wang, R. L.C.

AU - Kreuzer, H. J.

AU - Pennec, Y.

AU - Schiffrin, A.

AU - Barth, J. V.

PY - 2008/12

Y1 - 2008/12

N2 - We employed temperature-controlled fast-scanning tunneling microscopy to monitor the diffusion of tetrapyridylporphyrin molecules on the Cu(111) surface. The data reveal unidirectional thermal migration of conformationally adapted monomers in the 300-360 K temperature range. Surprisingly equally oriented molecules spontaneously form dimers that feature a drastically increased one-dimensional diffusivity. The analysis of the bonding and mobility characteristics indicates that this boost is driven by a collective transport mechanism of a metallosupramolecular complex.

AB - We employed temperature-controlled fast-scanning tunneling microscopy to monitor the diffusion of tetrapyridylporphyrin molecules on the Cu(111) surface. The data reveal unidirectional thermal migration of conformationally adapted monomers in the 300-360 K temperature range. Surprisingly equally oriented molecules spontaneously form dimers that feature a drastically increased one-dimensional diffusivity. The analysis of the bonding and mobility characteristics indicates that this boost is driven by a collective transport mechanism of a metallosupramolecular complex.

UR - http://www.scopus.com/inward/record.url?scp=61649123297&partnerID=8YFLogxK

U2 - 10.1021/nl802995u

DO - 10.1021/nl802995u

M3 - Article

AN - SCOPUS:61649123297

SN - 1530-6984

VL - 8

SP - 4608

EP - 4613

JO - Nano Letters

JF - Nano Letters

IS - 12

ER -

Dimerization boosts one-dimensional mobility of conformationally adapted porphyrins on a hexagonal surface atomic lattice

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