Electrochemical grafting of heterocyclic molecules on glassy carbon and platinum using heteroaromatic iodonium salts or iodo-substituted heteroaromatics

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Electrochemical grafting of heterocyclic molecules on glassy carbon and platinum using heteroaromatic iodonium salts or iodo-substituted heteroaromatics. / Sommerfeldt, Andreas; Pedersen, Steen U.; Daasbjerg, Kim.

I: Electrochimica Acta, Bind 261, 20.01.2018, s. 356-364.

Publikation: Bidrag til tidsskrift/Konferencebidrag i tidsskrift /Bidrag til avisTidsskriftartikelForskningpeer review

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@article{8c408f4ad30148da9a783ed9387cc430,
title = "Electrochemical grafting of heterocyclic molecules on glassy carbon and platinum using heteroaromatic iodonium salts or iodo-substituted heteroaromatics",
abstract = "Electrochemical grafting of aryldiazonium salts has been widely explored for functionalization of conducting surfaces with aromatic molecules. Unfortunately, heteroaromatic diazonium salts are highly unstable and decompose rapidly, precluding, in general, the use of such salts. We show here that pyridine and thiophene based iodonium salts along with iodo-substituted pyridine, thiophene, furan, and pyrrole may find use as suitable grafting agents. The precursors are much more stable than their diazonium analogs but the price to pay is a slower grafting process that takes place at a more extreme potential. The grafted films are characterized electrochemically and spectroscopically by XPS, IRRAS, and Raman.",
keywords = "Electrografting, Electropolymerization, Heterocycles, Iodonium salts",
author = "Andreas Sommerfeldt and Pedersen, {Steen U.} and Kim Daasbjerg",
year = "2018",
month = jan,
day = "20",
doi = "10.1016/j.electacta.2017.12.052",
language = "English",
volume = "261",
pages = "356--364",
journal = "Electrochimica Acta",
issn = "0013-4686",
publisher = "Pergamon Press",

}

RIS

TY - JOUR

T1 - Electrochemical grafting of heterocyclic molecules on glassy carbon and platinum using heteroaromatic iodonium salts or iodo-substituted heteroaromatics

AU - Sommerfeldt, Andreas

AU - Pedersen, Steen U.

AU - Daasbjerg, Kim

PY - 2018/1/20

Y1 - 2018/1/20

N2 - Electrochemical grafting of aryldiazonium salts has been widely explored for functionalization of conducting surfaces with aromatic molecules. Unfortunately, heteroaromatic diazonium salts are highly unstable and decompose rapidly, precluding, in general, the use of such salts. We show here that pyridine and thiophene based iodonium salts along with iodo-substituted pyridine, thiophene, furan, and pyrrole may find use as suitable grafting agents. The precursors are much more stable than their diazonium analogs but the price to pay is a slower grafting process that takes place at a more extreme potential. The grafted films are characterized electrochemically and spectroscopically by XPS, IRRAS, and Raman.

AB - Electrochemical grafting of aryldiazonium salts has been widely explored for functionalization of conducting surfaces with aromatic molecules. Unfortunately, heteroaromatic diazonium salts are highly unstable and decompose rapidly, precluding, in general, the use of such salts. We show here that pyridine and thiophene based iodonium salts along with iodo-substituted pyridine, thiophene, furan, and pyrrole may find use as suitable grafting agents. The precursors are much more stable than their diazonium analogs but the price to pay is a slower grafting process that takes place at a more extreme potential. The grafted films are characterized electrochemically and spectroscopically by XPS, IRRAS, and Raman.

KW - Electrografting

KW - Electropolymerization

KW - Heterocycles

KW - Iodonium salts

UR - http://www.scopus.com/inward/record.url?scp=85039839511&partnerID=8YFLogxK

U2 - 10.1016/j.electacta.2017.12.052

DO - 10.1016/j.electacta.2017.12.052

M3 - Journal article

AN - SCOPUS:85039839511

VL - 261

SP - 356

EP - 364

JO - Electrochimica Acta

JF - Electrochimica Acta

SN - 0013-4686

ER -