Molecular bridges

R.P. Berkelaar; H. Söde; T.F. Mocking; Avijit Kumar; Bene Poelsema; Henricus J.W. Zandvliet

doi:10.1021/jp1105967

Molecular bridges

R.P. Berkelaar, H. Söde, T.F. Mocking, Avijit Kumar, Bene Poelsema, Henricus J.W. Zandvliet

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Abstract

The adsorption of Cu-phthalocyanine (CuPc) molecules on Au-modified Ge(001) surfaces has been studied with low-temperature scanning tunneling microscopy. The Au-modified Ge(001) surface consists of well-ordered arrays of perfectly straight nanowires, which are separated by 1.6 nm wide and about 0.6 nm deep trenches. Six different adsorption configurations for CuPc are identified. Four of these configurations are “molecular bridge” configurations where the molecule bridges two adjacent nanowires. The core of the CuPc molecule, i.e., the Cu atom, is fully decoupled from the underlying substrate. For sufficiently high sample biases (>1 V), rotation and diffusion events of the CuPc molecules are observed.

Original language	English
Pages (from-to)	2268-2272
Number of pages	5
Journal	The Journal of physical chemistry C
Volume	115
Issue number	5
DOIs	https://doi.org/10.1021/jp1105967
Publication status	Published - 2011

Keywords

IR-104419
METIS-275340

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10.1021/jp1105967

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@article{92e132c4207445f2be6099b496a0da01,

title = "Molecular bridges",

abstract = "The adsorption of Cu-phthalocyanine (CuPc) molecules on Au-modified Ge(001) surfaces has been studied with low-temperature scanning tunneling microscopy. The Au-modified Ge(001) surface consists of well-ordered arrays of perfectly straight nanowires, which are separated by 1.6 nm wide and about 0.6 nm deep trenches. Six different adsorption configurations for CuPc are identified. Four of these configurations are “molecular bridge” configurations where the molecule bridges two adjacent nanowires. The core of the CuPc molecule, i.e., the Cu atom, is fully decoupled from the underlying substrate. For sufficiently high sample biases (>1 V), rotation and diffusion events of the CuPc molecules are observed.",

keywords = "IR-104419, METIS-275340",

author = "R.P. Berkelaar and H. S{\"o}de and T.F. Mocking and Avijit Kumar and Bene Poelsema and Zandvliet, \{Henricus J.W.\}",

year = "2011",

doi = "10.1021/jp1105967",

language = "English",

volume = "115",

pages = "2268--2272",

journal = "The Journal of physical chemistry C",

issn = "1932-7447",

publisher = "American Chemical Society",

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}

TY - JOUR

T1 - Molecular bridges

AU - Berkelaar, R.P.

AU - Söde, H.

AU - Mocking, T.F.

AU - Kumar, Avijit

AU - Poelsema, Bene

AU - Zandvliet, Henricus J.W.

PY - 2011

Y1 - 2011

N2 - The adsorption of Cu-phthalocyanine (CuPc) molecules on Au-modified Ge(001) surfaces has been studied with low-temperature scanning tunneling microscopy. The Au-modified Ge(001) surface consists of well-ordered arrays of perfectly straight nanowires, which are separated by 1.6 nm wide and about 0.6 nm deep trenches. Six different adsorption configurations for CuPc are identified. Four of these configurations are “molecular bridge” configurations where the molecule bridges two adjacent nanowires. The core of the CuPc molecule, i.e., the Cu atom, is fully decoupled from the underlying substrate. For sufficiently high sample biases (>1 V), rotation and diffusion events of the CuPc molecules are observed.

AB - The adsorption of Cu-phthalocyanine (CuPc) molecules on Au-modified Ge(001) surfaces has been studied with low-temperature scanning tunneling microscopy. The Au-modified Ge(001) surface consists of well-ordered arrays of perfectly straight nanowires, which are separated by 1.6 nm wide and about 0.6 nm deep trenches. Six different adsorption configurations for CuPc are identified. Four of these configurations are “molecular bridge” configurations where the molecule bridges two adjacent nanowires. The core of the CuPc molecule, i.e., the Cu atom, is fully decoupled from the underlying substrate. For sufficiently high sample biases (>1 V), rotation and diffusion events of the CuPc molecules are observed.

KW - IR-104419

KW - METIS-275340

U2 - 10.1021/jp1105967

DO - 10.1021/jp1105967

M3 - Article

SN - 1932-7447

VL - 115

SP - 2268

EP - 2272

JO - The Journal of physical chemistry C

JF - The Journal of physical chemistry C

IS - 5

ER -

Molecular bridges

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Keywords

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