Issue 17, 2013

TEMPO coated Au nanoparticles: synthesis and tethering to gold surfaces

Abstract

Gold nanoparticles covered by derivatives of 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO) with well-defined coverage and narrow size distribution were synthesized and self-assembled on the gold electrode. The TEMPO nanoparticle-coated electrode was characterized using STM and AFM. The kinetics of oxidation of the nitroxide radicals attached to the nanoparticles was evaluated based on cyclic voltammetry measurements. The TEMPO–nanoparticle modified electrode was found more efficient in electrocatalytic oxidation of benzyl alcohol than the electrode modified with a monolayer of TEMPO molecules directly bound to the gold surface.

Graphical abstract: TEMPO coated Au nanoparticles: synthesis and tethering to gold surfaces

Supplementary files

Article information

Article type
Paper
Submitted
29 Nov 2012
Accepted
08 Feb 2013
First published
06 Mar 2013

RSC Adv., 2013,3, 5979-5986

TEMPO coated Au nanoparticles: synthesis and tethering to gold surfaces

O. Swiech, R. Bilewicz and E. Megiel, RSC Adv., 2013, 3, 5979 DOI: 10.1039/C3RA23106B

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