Diamine anchored molecular junctions of oligo(phenylene ethynylene) cruciform

Yuqing  Liu; Marco Santella; Zhiqiang  Fan; Xintai Wang; Xiangwei  Jiang; Mogens Brøndsted Nielsen; Kasper Nørgaard; Bo Wegge Laursen; Jingbo Li; Zhongming Wei

doi:10.1016/j.cclet.2017.08.034

Diamine anchored molecular junctions of oligo(phenylene ethynylene) cruciform

Yuqing Liu, Marco Santella, Zhiqiang Fan, Xintai Wang, Xiangwei Jiang, Mogens Brøndsted Nielsen, Kasper Nørgaard, Bo Wegge Laursen, Jingbo Li, Zhongming Wei

Department of Chemistry

4 Citations (Scopus)

Abstract

Using diamine as anchoring group, the self-assembled monolayers (SAMs) based on oligo(phenylene-ethynylene)s (OPEs) and cruciform OPEs with an extended tetrathiafulvalene (TTF) (OPE3 and OPE3-TTF) were successfully formed on the Au substrate. The uniformity and stability of SAMs were confirmed through cyclic voltammetry (CV) and electrochemical reductive desorption. The investigation of transport properties of SAMs was achieved by conducting-probe atomic force microscopy (CP-AFM) with both Au and Pt tips. The results indicated that the conductance of OPE3-TTF was 17 and 46 times that of OPE3 for Au and Pt tips, respectively. Theoretical calculations are qualitatively consistent with the experimental results, suggesting that the diamine as anchoring group has a great potential in molecular electronics.

Original language	English
Journal	Chinese Chemical Letters
Volume	29
Issue number	2
Pages (from-to)	271-275
Number of pages	5
ISSN	1001-8417
DOIs	https://doi.org/10.1016/j.cclet.2017.08.034
Publication status	Published - Feb 2018

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10.1016/j.cclet.2017.08.034

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title = "Diamine anchored molecular junctions of oligo(phenylene ethynylene) cruciform",

abstract = "Using diamine as anchoring group, the self-assembled monolayers (SAMs) based on oligo(phenylene-ethynylene)s (OPEs) and cruciform OPEs with an extended tetrathiafulvalene (TTF) (OPE3 and OPE3-TTF) were successfully formed on the Au substrate. The uniformity and stability of SAMs were confirmed through cyclic voltammetry (CV) and electrochemical reductive desorption. The investigation of transport properties of SAMs was achieved by conducting-probe atomic force microscopy (CP-AFM) with both Au and Pt tips. The results indicated that the conductance of OPE3-TTF was 17 and 46 times that of OPE3 for Au and Pt tips, respectively. Theoretical calculations are qualitatively consistent with the experimental results, suggesting that the diamine as anchoring group has a great potential in molecular electronics.",

author = "Yuqing Liu and Marco Santella and Zhiqiang Fan and Xintai Wang and Xiangwei Jiang and Nielsen, {Mogens Br{\o}ndsted} and Kasper N{\o}rgaard and Laursen, {Bo Wegge} and Jingbo Li and Zhongming Wei",

year = "2018",

month = feb,

doi = "10.1016/j.cclet.2017.08.034",

language = "English",

volume = "29",

pages = "271--275",

journal = "Chinese Chemical Letters",

issn = "1001-8417",

publisher = "Elsevier",

number = "2",

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TY - JOUR

T1 - Diamine anchored molecular junctions of oligo(phenylene ethynylene) cruciform

AU - Liu, Yuqing

AU - Santella, Marco

AU - Fan, Zhiqiang

AU - Wang, Xintai

AU - Jiang, Xiangwei

AU - Nielsen, Mogens Brøndsted

AU - Nørgaard, Kasper

AU - Laursen, Bo Wegge

AU - Li, Jingbo

AU - Wei, Zhongming

PY - 2018/2

Y1 - 2018/2

N2 - Using diamine as anchoring group, the self-assembled monolayers (SAMs) based on oligo(phenylene-ethynylene)s (OPEs) and cruciform OPEs with an extended tetrathiafulvalene (TTF) (OPE3 and OPE3-TTF) were successfully formed on the Au substrate. The uniformity and stability of SAMs were confirmed through cyclic voltammetry (CV) and electrochemical reductive desorption. The investigation of transport properties of SAMs was achieved by conducting-probe atomic force microscopy (CP-AFM) with both Au and Pt tips. The results indicated that the conductance of OPE3-TTF was 17 and 46 times that of OPE3 for Au and Pt tips, respectively. Theoretical calculations are qualitatively consistent with the experimental results, suggesting that the diamine as anchoring group has a great potential in molecular electronics.

AB - Using diamine as anchoring group, the self-assembled monolayers (SAMs) based on oligo(phenylene-ethynylene)s (OPEs) and cruciform OPEs with an extended tetrathiafulvalene (TTF) (OPE3 and OPE3-TTF) were successfully formed on the Au substrate. The uniformity and stability of SAMs were confirmed through cyclic voltammetry (CV) and electrochemical reductive desorption. The investigation of transport properties of SAMs was achieved by conducting-probe atomic force microscopy (CP-AFM) with both Au and Pt tips. The results indicated that the conductance of OPE3-TTF was 17 and 46 times that of OPE3 for Au and Pt tips, respectively. Theoretical calculations are qualitatively consistent with the experimental results, suggesting that the diamine as anchoring group has a great potential in molecular electronics.

U2 - 10.1016/j.cclet.2017.08.034

DO - 10.1016/j.cclet.2017.08.034

M3 - Letter

SN - 1001-8417

VL - 29

SP - 271

EP - 275

JO - Chinese Chemical Letters

JF - Chinese Chemical Letters

IS - 2

ER -

Diamine anchored molecular junctions of oligo(phenylene ethynylene) cruciform

Abstract

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