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Electrochemistry of Tetrathiafulvalene Ligands Assembled on the Surface of Gold Nanoparticles
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SYSNO ASEP 0564697 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Electrochemistry of Tetrathiafulvalene Ligands Assembled on the Surface of Gold Nanoparticles Author(s) Janoušek, J. (CZ)
Rybáček, J. (CZ)
Buděšínský, M. (CZ)
Pospíšil, Lubomír (UFCH-W) RID, ORCID
Stará, I. G. (CZ)
Starý, I. (CZ)Article number 7639 Source Title Molecules. - : MDPI
Roč. 27, č. 21 (2022)Number of pages 11 s. Language eng - English Country CH - Switzerland Keywords gold nanoparticles ; tetrathiafulvalene ; synthesis ; tem ; spectroscopy ; AC voltammetry Subject RIV CG - Electrochemistry OECD category Electrochemistry (dry cells, batteries, fuel cells, corrosion metals, electrolysis) R&D Projects GX20-03691X GA ČR - Czech Science Foundation (CSF) Method of publishing Open access Institutional support UFCH-W - RVO:61388955 UT WOS 000884086200001 EID SCOPUS 85141578145 DOI 10.3390/molecules27217639 Annotation The synthesis of a tetrathiafulvalene (TTF) derivative, S-[4-({4-[(2,2 '-bi-1,3-dithiol-4-ylmethoxy)methyl] phenyl}ethynyl)phenyl] ethanethioate, suitable for the modification of gold nanoparticles (AuNPs), is described in this article. The TTF ligand was self-assembled on the AuNP surface through ligand exchange, starting from dodecanethiol-stabilized AuNPs. The resulting modified AuNPs were characterized by TEM, UV-Vis spectroscopy, and electrochemistry. The most suitable electrochemical method was the phase-sensitive AC voltammetry at very low frequencies of the sine-wave perturbation. The results indicate a diminishing electronic communication between the two equivalent redox centers of TTF and also intermolecular donor-acceptor interactions manifested by an additional oxidation wave upon attachment of the ligand to AuNPs. Workplace J. Heyrovsky Institute of Physical Chemistry Contact Michaela Knapová, michaela.knapova@jh-inst.cas.cz, Tel.: 266 053 196 Year of Publishing 2023 Electronic address https://hdl.handle.net/11104/0336336
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