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Surface modification of gold by heterocyclic covalently bonded multi-layered 2D thin films: an experimental and “ab initio” investigation
Umeå University, Faculty of Science and Technology, Department of Chemistry.
Umeå University, Faculty of Science and Technology, Department of Chemistry.
2018 (English)In: 25th Congress of SCTM (with international participation): Book of abstracts / [ed] Stafilov, Trajče; Petreska Stanoeva, Jasmina, Skopje: Society of Chemists and Technologists of Macedonia , 2018, p. 28-28, article id ICTM P5Conference paper, Poster (with or without abstract) (Other academic)
Abstract [en]

Surface modification of materials is accomplished using a vast number of molecules that possess a special affinity (SAMS) or are prone to undergo chemical reactions with the surface groups of the substrate-usually hydroxylated oxide layers (phosphonic or carboxylic acids, silanes, etc.). Probably the most direct mode to achieve this task is the use of the diazonium salts. This surface modification permits an easy way for tuning the properties of materials and adding some new interesting functionality that can be explored for: sensor construction, corrosion protection, catalysis, etc. In this work we explored the use of diazonium heterocyclic compound to graft the surface of the glassy carbon electrode through direct grafting (by the isolation of the diazonium salt) and "in situ" electrochemical reaction of the transformed amino heterocylic moiety into the corresponding diazonium salt. The grafted surface is analyzed by a number of electrochemical and surface analysis techniques.

Place, publisher, year, edition, pages
Skopje: Society of Chemists and Technologists of Macedonia , 2018. p. 28-28, article id ICTM P5
Keywords [en]
diazonium, XPS, spectroscopy, ellipsometry
National Category
Inorganic Chemistry
Identifiers
URN: urn:nbn:se:umu:diva-159131ISBN: 978-9989-760-16-7 (electronic)OAI: oai:DiVA.org:umu-159131DiVA, id: diva2:1316562
Conference
25th Congress of the Society of Chemists and Technologists of Macedonia, Ohrid, Macedonia, 19-22 September, 2018
Available from: 2019-05-20 Created: 2019-05-20 Last updated: 2019-06-17Bibliographically approved

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Phal, SereilakhenaTesfalidet, Solomon

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CiteExportLink to record
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