Property of self-assembled monolayers of long-alkyl-chain-substituted TTF dirivative

Yasuyuki Yokota; Ryota Yuge; Akira Miyazaki; Toshiaki Enoki; Masahiko Hara

doi:10.1080/15421400390263893

Property of self-assembled monolayers of long-alkyl-chain-substituted TTF dirivative

Yasuyuki Yokota^*, Ryota Yuge, Akira Miyazaki, Toshiaki Enoki, Masahiko Hara

^*Corresponding author for this work

Applied Chemistry

Research output: Contribution to journal › Conference article › peer-review

2 Scopus citations

Abstract

Self-assembled monolayers (SAMs) of an electron donor TTF derivative with long alkyl chains (-C₁₁H₂₂) are formed on Au (111). STM, surface plasmon resonance, and FTIR reflection absorption spectroscopy measurements suggest that TTF backbone is isolated from the gold substrate by long alkyl chains. Cyclic voltammograms reveal two redox peaks (E ₁^1/2= 263 mV, E₂^1/2= 508 mV vs. Ag/Ag⁺) corresponding to TTF/TTF⁺ and TTF ⁺/TTF²⁺. These peak currents are proportional to the scan rates, indicating that the TTF backbone maintains its electrochemical activity in the SAMs. In addition, the peak-to-peak separations between oxidation and reduction are roughly proportional to the scan rates, which indicates that a potential drop takes place at the long alkyl chains, which work as resistance in the electron transport.

Original language	English
Pages (from-to)	121/[517]-127/[523]
Journal	Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals
Volume	407
Issue number	PART 3
DOIs	https://doi.org/10.1080/15421400390263893
State	Published - 2003
Event	Proceedings of the 13th Korea-Japan Joint Forum on Organic Materials for Electronics and Photonics - Sendai, Japan Duration: 2002/10/22 → 2002/10/24

Keywords

Cyclic voltammetry
Long alkyl chain
Scanning tunneling microscopy
Self-assembled monolayer
Surface plasmon resonance
Tetrathiafulvalene

ASJC Scopus subject areas

Condensed Matter Physics

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10.1080/15421400390263893

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title = "Property of self-assembled monolayers of long-alkyl-chain-substituted TTF dirivative",

abstract = "Self-assembled monolayers (SAMs) of an electron donor TTF derivative with long alkyl chains (-C11H22) are formed on Au (111). STM, surface plasmon resonance, and FTIR reflection absorption spectroscopy measurements suggest that TTF backbone is isolated from the gold substrate by long alkyl chains. Cyclic voltammograms reveal two redox peaks (E 11/2= 263 mV, E21/2= 508 mV vs. Ag/Ag+) corresponding to TTF/TTF+ and TTF +/TTF2+. These peak currents are proportional to the scan rates, indicating that the TTF backbone maintains its electrochemical activity in the SAMs. In addition, the peak-to-peak separations between oxidation and reduction are roughly proportional to the scan rates, which indicates that a potential drop takes place at the long alkyl chains, which work as resistance in the electron transport.",

keywords = "Cyclic voltammetry, Long alkyl chain, Scanning tunneling microscopy, Self-assembled monolayer, Surface plasmon resonance, Tetrathiafulvalene",

author = "Yasuyuki Yokota and Ryota Yuge and Akira Miyazaki and Toshiaki Enoki and Masahiko Hara",

year = "2003",

doi = "10.1080/15421400390263893",

language = "英語",

volume = "407",

pages = "121/[517]--127/[523]",

journal = "Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals",

issn = "1058-725X",

publisher = "Taylor and Francis Ltd.",

number = "PART 3",

note = "Proceedings of the 13th Korea-Japan Joint Forum on Organic Materials for Electronics and Photonics ; Conference date: 22-10-2002 Through 24-10-2002",

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Property of self-assembled monolayers of long-alkyl-chain-substituted TTF dirivative. / Yokota, Yasuyuki; Yuge, Ryota; Miyazaki, Akira et al.
In: Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals, Vol. 407, No. PART 3, 2003, p. 121/[517]-127/[523].

Research output: Contribution to journal › Conference article › peer-review

TY - JOUR

T1 - Property of self-assembled monolayers of long-alkyl-chain-substituted TTF dirivative

AU - Yokota, Yasuyuki

AU - Yuge, Ryota

AU - Miyazaki, Akira

AU - Enoki, Toshiaki

AU - Hara, Masahiko

PY - 2003

Y1 - 2003

N2 - Self-assembled monolayers (SAMs) of an electron donor TTF derivative with long alkyl chains (-C11H22) are formed on Au (111). STM, surface plasmon resonance, and FTIR reflection absorption spectroscopy measurements suggest that TTF backbone is isolated from the gold substrate by long alkyl chains. Cyclic voltammograms reveal two redox peaks (E 11/2= 263 mV, E21/2= 508 mV vs. Ag/Ag+) corresponding to TTF/TTF+ and TTF +/TTF2+. These peak currents are proportional to the scan rates, indicating that the TTF backbone maintains its electrochemical activity in the SAMs. In addition, the peak-to-peak separations between oxidation and reduction are roughly proportional to the scan rates, which indicates that a potential drop takes place at the long alkyl chains, which work as resistance in the electron transport.

AB - Self-assembled monolayers (SAMs) of an electron donor TTF derivative with long alkyl chains (-C11H22) are formed on Au (111). STM, surface plasmon resonance, and FTIR reflection absorption spectroscopy measurements suggest that TTF backbone is isolated from the gold substrate by long alkyl chains. Cyclic voltammograms reveal two redox peaks (E 11/2= 263 mV, E21/2= 508 mV vs. Ag/Ag+) corresponding to TTF/TTF+ and TTF +/TTF2+. These peak currents are proportional to the scan rates, indicating that the TTF backbone maintains its electrochemical activity in the SAMs. In addition, the peak-to-peak separations between oxidation and reduction are roughly proportional to the scan rates, which indicates that a potential drop takes place at the long alkyl chains, which work as resistance in the electron transport.

KW - Cyclic voltammetry

KW - Long alkyl chain

KW - Scanning tunneling microscopy

KW - Self-assembled monolayer

KW - Surface plasmon resonance

KW - Tetrathiafulvalene

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DO - 10.1080/15421400390263893

M3 - 会議記事

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SN - 1058-725X

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JO - Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals

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Y2 - 22 October 2002 through 24 October 2002

ER -

Property of self-assembled monolayers of long-alkyl-chain-substituted TTF dirivative

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Keywords

ASJC Scopus subject areas

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