Universal Scaling of the Charge Transport in Large-Area Molecular Junctions

Auke J. Kronemeijer; Ilias Katsouras; Eek H. Huisman; Paul A. van Hal; Tom C. T. Geuns; Paul W. M. Blom; Dago M. de Leeuw

doi:10.1002/smll.201100155

Universal Scaling of the Charge Transport in Large-Area Molecular Junctions

Auke J. Kronemeijer, Ilias Katsouras, Eek H. Huisman, Paul A. van Hal, Tom C. T. Geuns, Paul W. M. Blom, Dago M. de Leeuw^*

^*Corresponding author for this work

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Abstract

Charge transport through alkanes and para-phenylene oligomers is investigated in large-area molecular junctions. The molecules are self-assembled in a monolayer and contacted with a top electrode consisting of poly(3,4-ethylenedioxythiophene)-poly(4-styrenesulfonic acid) (PEDOT:PSS). The complete set of J(V,T) characteristics of both saturated and pi-conjugated molecules can be described quantitatively by a single equation with only two fit parameters. The derived parameters, in combination with a variation of the bulk conductivity of PEDOT: PSS, demonstrate that the absolute junction resistance is factorized with that of PEDOT:PSS.

Original language	English
Pages (from-to)	1593-1598
Number of pages	6
Journal	Small
Volume	7
Issue number	11
DOIs	https://doi.org/10.1002/smll.201100155
Publication status	Published - 6-Jun-2011

Keywords

METAL WORK FUNCTION
CONTACT RESISTANCE
CONDUCTANCE
ALKANEDITHIOLS
ELECTRONICS
MECHANISM
DEVICES
SAMS

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title = "Universal Scaling of the Charge Transport in Large-Area Molecular Junctions",

abstract = "Charge transport through alkanes and para-phenylene oligomers is investigated in large-area molecular junctions. The molecules are self-assembled in a monolayer and contacted with a top electrode consisting of poly(3,4-ethylenedioxythiophene)-poly(4-styrenesulfonic acid) (PEDOT:PSS). The complete set of J(V,T) characteristics of both saturated and pi-conjugated molecules can be described quantitatively by a single equation with only two fit parameters. The derived parameters, in combination with a variation of the bulk conductivity of PEDOT: PSS, demonstrate that the absolute junction resistance is factorized with that of PEDOT:PSS.",

keywords = "METAL WORK FUNCTION, CONTACT RESISTANCE, CONDUCTANCE, ALKANEDITHIOLS, ELECTRONICS, MECHANISM, DEVICES, SAMS",

author = "Kronemeijer, {Auke J.} and Ilias Katsouras and Huisman, {Eek H.} and {van Hal}, {Paul A.} and Geuns, {Tom C. T.} and Blom, {Paul W. M.} and {de Leeuw}, {Dago M.}",

year = "2011",

month = jun,

day = "6",

doi = "10.1002/smll.201100155",

language = "English",

volume = "7",

pages = "1593--1598",

journal = "Small",

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TY - JOUR

T1 - Universal Scaling of the Charge Transport in Large-Area Molecular Junctions

AU - Kronemeijer, Auke J.

AU - Katsouras, Ilias

AU - Huisman, Eek H.

AU - van Hal, Paul A.

AU - Geuns, Tom C. T.

AU - Blom, Paul W. M.

AU - de Leeuw, Dago M.

PY - 2011/6/6

Y1 - 2011/6/6

N2 - Charge transport through alkanes and para-phenylene oligomers is investigated in large-area molecular junctions. The molecules are self-assembled in a monolayer and contacted with a top electrode consisting of poly(3,4-ethylenedioxythiophene)-poly(4-styrenesulfonic acid) (PEDOT:PSS). The complete set of J(V,T) characteristics of both saturated and pi-conjugated molecules can be described quantitatively by a single equation with only two fit parameters. The derived parameters, in combination with a variation of the bulk conductivity of PEDOT: PSS, demonstrate that the absolute junction resistance is factorized with that of PEDOT:PSS.

AB - Charge transport through alkanes and para-phenylene oligomers is investigated in large-area molecular junctions. The molecules are self-assembled in a monolayer and contacted with a top electrode consisting of poly(3,4-ethylenedioxythiophene)-poly(4-styrenesulfonic acid) (PEDOT:PSS). The complete set of J(V,T) characteristics of both saturated and pi-conjugated molecules can be described quantitatively by a single equation with only two fit parameters. The derived parameters, in combination with a variation of the bulk conductivity of PEDOT: PSS, demonstrate that the absolute junction resistance is factorized with that of PEDOT:PSS.

KW - METAL WORK FUNCTION

KW - CONTACT RESISTANCE

KW - CONDUCTANCE

KW - ALKANEDITHIOLS

KW - ELECTRONICS

KW - MECHANISM

KW - DEVICES

KW - SAMS

U2 - 10.1002/smll.201100155

DO - 10.1002/smll.201100155

M3 - Article

SN - 1613-6810

VL - 7

SP - 1593

EP - 1598

JO - Small

JF - Small

IS - 11

ER -

Universal Scaling of the Charge Transport in Large-Area Molecular Junctions

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