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Deposition of Ni(II)Porphyrin monolayer on the gold electrode via azide-alkyne click - coupling and its electrochemical characterization

Deposition of Ni(II)Porphyrin monolayer on the gold electrode via azide-alkyne click - coupling and its electrochemical characterization
Deposition of Ni(II)Porphyrin monolayer on the gold electrode via azide-alkyne click - coupling and its electrochemical characterization
In this work, a Ni(II) porphyrin containing two azide groups ((N-3)(2)-Ni(II) porphyrin) was applied for gold electrode modification via azide-alkyne click reaction. The [CuBr(PPh3)(3)] catalyst was used for the cycloaddition of diazido Ni(II) porphyrin to alkyne functionalized thiols previously assembled onto the gold surface. The self-assembled monolayer (SAM) incorporating Ni(II) porphyrin was characterized in aqueous solutions by cyclic voltammetry (CV), Osteryoung square-wave voltammetry (OSWV) and differential pulse voltammetry (DPV). The attachment of a ssDNA probe via a strained bicyclononyne group to the developed redox active monolayer via copper-free alkyne-azide click ligation is presented.
5948-5960
Grabowska, Iwona
e0525d0f-69ee-49a9-8fa2-036f0d7d840a
Zborowska, Magdalena
ea0af45b-7312-459c-bfca-4575b6e50373
Nguyen, Nguyen Tran
74f45d97-28d0-4b01-874b-1cca9a213252
Dehaen, Wim
3628d7e3-178d-4bb0-8f9d-7a68c3c57701
Stulz, Eugen
9a6c04cf-32ca-442b-9281-bbf3d23c622d
Wood, James W.
2a643a0a-6f82-4a2c-9c3b-326d8bff06b5
Radecka, Hanna
3c2bd9a8-83a6-4f78-8cde-de14e4b401a5
Radecki, Jerzy
8996c0ab-2014-45ae-b828-25c5b2f05b4b
Grabowska, Iwona
e0525d0f-69ee-49a9-8fa2-036f0d7d840a
Zborowska, Magdalena
ea0af45b-7312-459c-bfca-4575b6e50373
Nguyen, Nguyen Tran
74f45d97-28d0-4b01-874b-1cca9a213252
Dehaen, Wim
3628d7e3-178d-4bb0-8f9d-7a68c3c57701
Stulz, Eugen
9a6c04cf-32ca-442b-9281-bbf3d23c622d
Wood, James W.
2a643a0a-6f82-4a2c-9c3b-326d8bff06b5
Radecka, Hanna
3c2bd9a8-83a6-4f78-8cde-de14e4b401a5
Radecki, Jerzy
8996c0ab-2014-45ae-b828-25c5b2f05b4b

Grabowska, Iwona, Zborowska, Magdalena, Nguyen, Nguyen Tran, Dehaen, Wim, Stulz, Eugen, Wood, James W., Radecka, Hanna and Radecki, Jerzy (2014) Deposition of Ni(II)Porphyrin monolayer on the gold electrode via azide-alkyne click - coupling and its electrochemical characterization. International Journal of Electochemical Science, 2014 (9), 5948-5960.

Record type: Article

Abstract

In this work, a Ni(II) porphyrin containing two azide groups ((N-3)(2)-Ni(II) porphyrin) was applied for gold electrode modification via azide-alkyne click reaction. The [CuBr(PPh3)(3)] catalyst was used for the cycloaddition of diazido Ni(II) porphyrin to alkyne functionalized thiols previously assembled onto the gold surface. The self-assembled monolayer (SAM) incorporating Ni(II) porphyrin was characterized in aqueous solutions by cyclic voltammetry (CV), Osteryoung square-wave voltammetry (OSWV) and differential pulse voltammetry (DPV). The attachment of a ssDNA probe via a strained bicyclononyne group to the developed redox active monolayer via copper-free alkyne-azide click ligation is presented.

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More information

Accepted/In Press date: 9 July 2014
e-pub ahead of print date: 25 August 2014
Published date: November 2014

Identifiers

Local EPrints ID: 396174
URI: http://eprints.soton.ac.uk/id/eprint/396174
PURE UUID: 6f45c07e-63b2-4ed3-848a-701d817508ef
ORCID for Eugen Stulz: ORCID iD orcid.org/0000-0002-5302-2276

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Date deposited: 07 Jun 2016 09:36
Last modified: 27 Jul 2022 01:41

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Contributors

Author: Iwona Grabowska
Author: Magdalena Zborowska
Author: Nguyen Tran Nguyen
Author: Wim Dehaen
Author: Eugen Stulz ORCID iD
Author: James W. Wood
Author: Hanna Radecka
Author: Jerzy Radecki

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