Cathodic corrosion: A quick, clean, and versatile method for the synthesis of metallic nanoparticles

Angewandte Chemie - International Edition

Volumn 50, Issue 28, 2011, Pages 6346-6350

  Yanson, Alexei I ^a   Rodriguez, Paramaconi ^a   Garcia Araez, Nuria ^a,b   Mom, Rik V ^a   Tichelaar, Frans D ^c   Koper, Marc T M ^a  

^a LEIDEN UNIVERSITY   (Netherlands)

^b FOM INSTITUTE AMOLF   (Netherlands)

^c DELFT UNIVERSITY OF TECHNOLOGY   (Netherlands)

Author keywords

electrochemistry; metal anions; nanoparticles; platinum; transition metals

Indexed keywords

METALLIC NANOPARTICLES; VERSATILE METHODS;

AGGLOMERATION; CARBON MONOXIDE; CATALYST ACTIVITY; CATALYTIC OXIDATION; CATHODIC POLARIZATION; METHANOL; PLATINUM; TRANSITION METALS;

NANOPARTICLES;

EID: 79959887931     PISSN: 14337851     EISSN: 15213773     Source Type: Journal    
DOI: 10.1002/anie.201100471     Document Type: Article

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36. After this article was published online, it came to our attention that the group of Zelin Li has also published studies describing a similar method of ac dispersion of metal electrodes. We regret not citing this work in our original paper. Their results on the cathodic dispersion of Bi, Pb, and Sn (X. Chen, S. Chen, W. Huang, J. F. Zheng, Z. L. Li, Electrochim. Acta 2009, 54, 7370
37. W. Huang, L. Fu, Y. C. Yang, S. Hu, C. Li, Z. L. Li, Electrochem. Solid State Lett. 2010, 13, K46) are very similar to those reported in the seminal work of F. Haber (F. Haber, Zeitschrift für anorganische Chemie 1898, 16, 438), which needs be duly referenced. While their results for Pt and Rh nanoparticles (W. Huang, S. Chen, J. F. Zheng, Z. L. Li, Electrochem. Commun. 2009, 11, 469
38. J. Liu, W. Huang, S. Chen, S. Hu, F. Liu, Z. L. Li, Int. J. Electrochem. Sci. 2009, 4, 1302) are similar to ours, their explanation of the phenomenon differs substantially. While Li and co-workers report that it is essential to reach the oxidation potential of the (Pt or Rh) metal to disperse the metal into nanoparticles, we convincingly show that the dispersion process is cathodic in nature, and applying oxidative potentials is not necessary to achieve dispersion.