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| Hauptseite > Publikationsdatenbank > Electrocrystallization of Au nanoparticles on glassy carbon from HClO$_{4}$ solution containing [AuCl$_{4}$]− > print |
| Hauptseite > Publikationsdatenbank > Electrocrystallization of Au nanoparticles on glassy carbon from HClO$_{4}$ solution containing [AuCl$_{4}$]− > print |
| 001 | 128631 | ||
| 005 | 20210129211153.0 | ||
| 024 | 7 | _ | |a 10.1016/j.electacta.2008.08.013 |2 doi |
| 024 | 7 | _ | |a 0013-4686 |2 ISSN |
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| 100 | 1 | _ | |a Komsiyska, L. |0 P:(DE-Juel1)VDB57079 |b 0 |e Corresponding author |
| 245 | _ | _ | |a Electrocrystallization of Au nanoparticles on glassy carbon from HClO$_{4}$ solution containing [AuCl$_{4}$]− |
| 260 | _ | _ | |a New York, NY [u.a.] |c 2008 |b Elsevier |
| 336 | 7 | _ | |a article |2 DRIVER |
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| 336 | 7 | _ | |a Journal Article |b journal |m journal |0 PUB:(DE-HGF)16 |s 1476362260_31318 |2 PUB:(DE-HGF) |
| 336 | 7 | _ | |a ARTICLE |2 BibTeX |
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| 336 | 7 | _ | |a Journal Article |0 0 |2 EndNote |
| 520 | _ | _ | |a The mechanism and kinetics of electrocrystallization of Au nanoparticles on glassy carbon (GC) were investigated in the system GC/1 mM KAuCl4 + 0.1 M HClO4. Experimental results show that the gold electrodeposition follows the so-called Volmer–Weber growth mechanism involving formation and growth of 3D Au nanoparticles on an unmodified GC substrate. The analysis of current transients shows that at relatively positive electrode potentials (E ≥ 0.84 V) the deposition kinetics corresponds to the theoretical model for progressive nucleation and diffusion-controlled 3D growth of Au nanoparticles. The potential dependence of the nucleation rate extracted from the current transients is in agreement with the atomistic theory of nucleation. At sufficiently negative electrode potentials (E ≤ 0.64 V) the nucleation frequency becomes very high and the nucleation occurs instantaneously. Based on this behaviour is applied a potentiostatic double-pulse routine, which allows controlled electrodeposition of Au nanoparticles with a relatively narrow size distribution. |
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| 700 | 1 | _ | |a Staikov, G. |0 P:(DE-Juel1)VDB13645 |b 1 |
| 773 | _ | _ | |a 10.1016/j.electacta.2008.08.013 |g Vol. 54, no. 2, p. 168 - 172 |0 PERI:(DE-600)1483548-4 |n 2 |p 168 - 172 |t Electrochimica acta |v 54 |y 2008 |x 0013-4686 |
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