Noncovalent assembly of ferrocene on modified gold surfaces mediated by uracil-adenine base pairs

Bruno Fabre; Soraya Ababou-Girard; Prabhpreet Singh; Jitendra Kumar; Sandeep Verma; Alberto Bianco

doi:10.1016/j.elecom.2010.03.045

Noncovalent assembly of ferrocene on modified gold surfaces mediated by uracil-adenine base pairs

Bruno Fabre, Soraya Ababou-Girard, Prabhpreet Singh, Jitendra Kumar, Sandeep Verma, Alberto Bianco

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

8 Scopus citations

Abstract

Redox-active ferrocene was assembled on gold surfaces through the hydrogen bonding interactions between adenine-substituted ferrocene and a uracil-terminated organothiol monolayer. The surface coverage of ferrocene Γ could be varied from ca. 4 × 10^{- 11} to 2.0 × 10^{- 10} mol cm^{- 2} by diluting the thiol-modified uracil derivative with inert 1-octanethiol. A decrease in the apparent electron transfer rate constant for ferrocene, k_app, from ca. 50 to 10 s ^{- 1} was observed upon increasing Γ.

Original language	English
Pages (from-to)	831-834
Number of pages	4
Journal	Electrochemistry Communications
Volume	12
Issue number	6
DOIs	https://doi.org/10.1016/j.elecom.2010.03.045
State	Published - 1 Jun 2010
Externally published	Yes

Keywords

Electrochemistry
Ferrocene
Gold surface
Monolayer
Nucleobases

ASJC Scopus subject areas

Electrochemistry

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10.1016/j.elecom.2010.03.045

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title = "Noncovalent assembly of ferrocene on modified gold surfaces mediated by uracil-adenine base pairs",

abstract = "Redox-active ferrocene was assembled on gold surfaces through the hydrogen bonding interactions between adenine-substituted ferrocene and a uracil-terminated organothiol monolayer. The surface coverage of ferrocene Γ could be varied from ca. 4 × 10- 11 to 2.0 × 10- 10 mol cm- 2 by diluting the thiol-modified uracil derivative with inert 1-octanethiol. A decrease in the apparent electron transfer rate constant for ferrocene, kapp, from ca. 50 to 10 s - 1 was observed upon increasing Γ.",

keywords = "Electrochemistry, Ferrocene, Gold surface, Monolayer, Nucleobases",

author = "Bruno Fabre and Soraya Ababou-Girard and Prabhpreet Singh and Jitendra Kumar and Sandeep Verma and Alberto Bianco",

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T1 - Noncovalent assembly of ferrocene on modified gold surfaces mediated by uracil-adenine base pairs

AU - Fabre, Bruno

AU - Ababou-Girard, Soraya

AU - Singh, Prabhpreet

AU - Kumar, Jitendra

AU - Verma, Sandeep

AU - Bianco, Alberto

PY - 2010/6/1

Y1 - 2010/6/1

N2 - Redox-active ferrocene was assembled on gold surfaces through the hydrogen bonding interactions between adenine-substituted ferrocene and a uracil-terminated organothiol monolayer. The surface coverage of ferrocene Γ could be varied from ca. 4 × 10- 11 to 2.0 × 10- 10 mol cm- 2 by diluting the thiol-modified uracil derivative with inert 1-octanethiol. A decrease in the apparent electron transfer rate constant for ferrocene, kapp, from ca. 50 to 10 s - 1 was observed upon increasing Γ.

AB - Redox-active ferrocene was assembled on gold surfaces through the hydrogen bonding interactions between adenine-substituted ferrocene and a uracil-terminated organothiol monolayer. The surface coverage of ferrocene Γ could be varied from ca. 4 × 10- 11 to 2.0 × 10- 10 mol cm- 2 by diluting the thiol-modified uracil derivative with inert 1-octanethiol. A decrease in the apparent electron transfer rate constant for ferrocene, kapp, from ca. 50 to 10 s - 1 was observed upon increasing Γ.

KW - Electrochemistry

KW - Ferrocene

KW - Gold surface

KW - Monolayer

KW - Nucleobases

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DO - 10.1016/j.elecom.2010.03.045

M3 - Article

AN - SCOPUS:77955702919

SN - 1388-2481

VL - 12

SP - 831

EP - 834

JO - Electrochemistry Communications

JF - Electrochemistry Communications

IS - 6

ER -

Noncovalent assembly of ferrocene on modified gold surfaces mediated by uracil-adenine base pairs

Abstract

Keywords

ASJC Scopus subject areas

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